BetaFPV ELRS Nano TX V2 Module - 915MHz
SKU: 80077902006

BetaFPV ELRS Nano TX V2 Module - 915MHz

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Description

BetaFPV ELRS Nano TX V2 Module - 915MHzThe Nano TX V2 Module is packed with upgrades for an unrivaled pilot experience. Featuring the innovative T LED antenna with its flicker frequency indicating signal transmitting and module connection statute. With up to 1W 2W power, it empowers stable links for FPV racing, long range flight, and professional photography. Seamlessly integrate with Backpack and customize buttons. Enjoy fluently flying with the 1804 cooling fan. Unleash your full

The Nano TX V2 Module is packed with upgrades for an unrivaled pilot experience. Featuring the innovative T-LED antenna with its flicker frequency indicating signal transmitting and module connection statute. With up to 1W/2W power, it empowers stable links for FPV racing, long-range flight, and professional photography. Seamlessly integrate with Backpack and customize buttons. Enjoy fluently flying with the 1804 cooling fan. Unleash your full potential with the Nano TX V2 Module.

Note: Please assemble the antenna before powering on. Otherwise, the PA chip in the Nano TX V2 Module will be damaged permanently. 

Check out all our Receivers & External Modules and the rest of our BetaFPV Products!

Diagram

Below is the diagram for the Nano TX V2 Module.

1W&2W Output Power

The Nano TX V2 Module also offers 3 versions: 2.4 GHz with a maximum output power of 1W, and 915/868MHz with a maximum output power of 2W. Featuring an integrated TCXO, it minimizes frequency deviation for stable performance, eliminating signal interference. Experience stronger signals, longer transmission distances, and an expanded radio transmitter range. With these options, pilots can explore and connect with greater freedom in wireless communication.

    Longer Range with Stable Link Quality

    Nano TX V2 Module is built-in a TCXO (temperature-compensated crystal oscillator). With the high-quality TCXO, it can withstand extreme temperatures with no fear of heat and cold, continuously outputting accurate frequency for long-range flight. Click to learn more about the TCXO. ensuring a super stable yet strong radio link for pilots to fly in any environment that requires extremely stable signals and low latency, including long-range flights, multiplayer flights, and FPV racing. It gives pilots a robust and aggressive flight experience.  

    T-LED Antenna

    The T-LED antenna innovatively integrates LED with the antenna, enabling direct information display on the antenna. When the antenna is successfully connected, the regular flickering indicates the status of signal transmission and reception. The light being on represents signal transmission, while the light being off represents signal reception. The speed of the flickering varies based on the telemetry ratio and packet rate, offering pilots a unique visual experience.

    Additionally, it detects the connection status between the antenna and the TX module, preventing damage caused by incorrect usage. The flickering light irregularly during the antenna swinging indicates antenna damage, while flickering irregularly during turning the antenna connector indicates a loose connection in either the antenna or the TX module, requiring replacement.

    Note: This T-LED Antenna only lights up on the Nano TX V2 Module. Other antennas like Moxon and Loop can also be used directly on the Nano TX V2 Module(915/868MHz version), but the 2.4GHz version requires an RP-SMA to SMA adapter. 

    Cooling System

    The Nano TX V2 features a fully injection-molded shell with excellent texture. With its optimized internal airflow channel and a heat sink, a high-speed 1804 cooling fan, it effectively dissipates heat even during high power output, ensuring stable link performance. Pilots can fly with confidence and enjoy reliable performance, thanks to this double-checked cooling solution.

    Highly Customizable Solution 

    Backpack, developed by the ExpressLRS team, is an optional module designed for radio transmitters. It provides enhanced flexibility and scalability, empowering pilots to connect external devices such as goggles, the Nano TX V2 Module offers a highly customizable and expandable solution for pilots' varied application scenarios and functional needs. There are two buttons reserved for pilots to customize their functions, empowering pilots to set buttons according to personal usage habits. 

    Combination with Most Radio TX

    The Nano TX V2 Module could be configured via LUA script. EdgeTX V2.8.0 and OpenTX radio transmitter that supports CRSF could be used easily. It is available for popular Nano port TX like BETAFPV LiteRadio 3 Pro, Radiomaster Zorro/Pocket, Jumper T Pro V2/T20, TBS Tango 2, etc., and Radiomaster TX16, Boxer, and Jumper T16/T20, Frsky QX7, X9 when used with a Micro-Nano Module Adapter.

    Note: LiteRadio 3 Pro Radio Transmitter cannot support 500mW due to power supply issues.

    ELRS Series

    The ExpressLRS Series expands its lineup with the addition of the Nano TX V2 Module. To achieve exceptional link quality. BETAFPV takes the flying experience to new heights by introducing ELRS links that offer long-range capabilities, low latency, and high refresh rates in a radio control system. 


    Basic Configuration

    In the EdgeTX system, select "MODEL SEL" and enter the "SETUP" interface. In this interface, turn off Internal RF (set to "OFF"), turn on External RF, and set the output mode to CRSF. Connect the module correctly and then the module will function properly. Settings are shown below.


    Lua is a lightweight and compact script language. It can be used by being embedded in radio transmitters and easily reading and modifying the parameter set of modules. The directions for using Lua are as below.

    • Download the elrsV3.lua on the BETAFPV official website or ExpressLRS configurator

    • Save the elrsV3.lua files onto the radio transmitter's SD Card in the Scripts/Tools folder
    • Press the "SYS" button or the "Menu" button on the EdgeTX system to access the "Tools" interface where you can choose "ExpressLRS" and run it
    • The below images show the Lua script if it runs successfully 

      Custom Buttons

      There are two buttons reserved for users to customize its functions. Operation steps are shown below.

      1. Enter the WiFi mode by enabling the module or powering it on for 60 seconds
      2. Once the RGB state indicator is in slow green flashing, the receiver's WiFi will be activated (WiFi name: ExpressLRS TX, password: expresslrs 
      3. Connect your phone or computer to WiFi, and log in to the browser at http://10.0.0.1. You will be able to find the custom button settings page
      4. In the "Action" column, select the desired custom Function; In the "Press" and "Count" columns, select the button press type and the number of presses or duration of the press
      5. Click "Save" to complete the configuration

      Bind & External Power Supply

      The default firmware of the Nano TX V2 module is ExpressLRS version 3.3.0. There is no Binding Phrase pre-set. Hence Binding with transmitters has to ensure that the receiver is using V3.0.0 above with no binding phrase.  

      • Put the receiver into binding mode and wait for the connection.
      • Quick press button 1(Left button) three times to enter the binding mode(factory default setting), or you can enter binding mode by clicking 'Bind' in the Lua script. if the Indicator has turned solid, it indicates that the device has been bound successfully. 

        Note: If the transmitter module has been reflashed with a binding phrase, then using the above binding method will not be bound to other devices. Please set the same binding phrase for the receiver to perform automatic binding.

        The power consumption of the Nano TX V2 module when using a transmission power of 500mW or above is relatively high, which will shorten the usage time of the remote control. Users can provide power to the module by using an XT30-USB adapter cable to connect to an external battery. The usage method is shown in the following figure.

        • The power consumption of the transmitter is not only related to the transmit power but also to the telemetry ratio. When using high power of 500mW and above, the return ratio can be set higher to reduce power consumption and extend use time.
        • For example, in Gemini mode, the power consumption of setting the return ratio to 1:128 is 1000mA, while the power consumption of setting the return ratio to 1:2 is only half of 1:128.

            Note: When the voltage of the remote control battery or external battery is lower than 7V (2S) or 10.5V (3S), please do not use the 500mW and 1W, otherwise the module will be rebooted due to insufficient power supply, resulting in disconnection and loss of control.

              FAQ

              1. Unable to enter LUA script, possible reasons are as follows: 
              • The TX module is not well connected to the remote control, need to check whether the Nano pin of the remote control and the TX module socket are in good contact
              • The version of the ELRS LUA script is too low and needs to be upgraded to elrsV3.lua
              • If the baud rate of the remote control is too low, set it to 400K or above  (if there is no option to set the baud rate of the remote control, you need to upgrade the firmware of the remote control, e.g., the EdgeTX needs to be V2.8.0 or above)
              • Target Name: BETAFPV Nano V2 2.4GHz/915MHz/868MHz TX

              2. Packet Rate cannot be set to F1000 or prompt "Baud rate is too low".
              • Reason: The problem is caused by the baud rate of the remote control is too low because the F1000 packet rate needs above 400K baud rate support to work
              • Solution: You first need to update the baud rate (greater than 400K is fine) setting in the Model Setup menu or System menu->Hardware, and then reboot the remote control to make sure the baud rate setting has been applied

                  3. The packets between the remote control and the TX module are less than 1000, while the F1000 packet rate is turned on.
                  • Reason: This issue is caused by synchronization issues with the remote control system EdgeTX
                  • Solution: Upgrade the EdgeTX version of the remote control to 2.8.0 or above

                   Features:

                  • The First ever T-LED antenna with built-in LED display functionality, allowing pilots to effortlessly monitor the signal transmitting and receiving while using the radio transmitter. 
                  • It offers 3 versions: 2.4GHz with a maximum output power of 1W, and 915/868MHz with a maximum output power of 2W. The max packet rate is F1000/200Hz.
                  • Featuring an integrated TCXO, it minimizes frequency deviation for stable performance, eliminating signal interference.
                  • With its optimized internal airflow channel and a heat sink, a high-speed 1804 cooling fan, it effectively dissipates heat even during high power output, ensuring stable link performance. 
                  • Support backpack and custom button functions based on ELRS V3.3, empowering pilots to connect external devices and set buttons according to personal usage habits.  

                  Specifications:

                  • Item: BETAFPV Nano TX V2 Module | ELRS 2.4GHz/915MHz/868MHz
                  • Weight: 28g
                  • Color: White
                  • Antenna Connector: RP-SMA(2.4GHz), SMA(915/868MHz)
                  • RF Power(2.4GHz): 25mW/50mW/100mW/250mW/500mW/1000mW
                  • RF Power(915/868MHz): 10mW/25mW/50mW/100mW/250mW/500mW/1000mW/2000mW
                  • Packet Rate(2.4GHz): 50Hz/100Hz/150Hz/250Hz/333Hz/500Hz/D250/D500/F500/F1000
                  • Packet Rate(915/868MHz): 25Hz/50Hz/100Hz/100Hz Full/200Hz/D50
                  • Frequency Band: 2.4GHz ISM, 915MHz FCC, 868MHz EU
                  • Backpack: Support
                  • Input Voltage: 7V~13V DC
                  • Power Consumption(2.4GHz): 8V,1000mA@1000mW, 150Hz，1:128
                  • Power Consumption(915/868MHz): 8V,1000mA@1000mW, 50Hz，1:128
                  • USB Port: Type-C
                  • Fan Voltage: 5V
                  • Default Firmware Version: ExpressLRS V3.3.0

                  Package Includes:

                  • 1 * Nano TX V2 Module
                  • 1 * T-LED Antenna
                  • 1 * USB to Type-C Data Cable
                  • 1 * Type-C Male to XT30U Male Power Cable
                  • 1 * Instruction Manual
                  • 1 * Service Card



                  Shipping Notes
                  • Free Standard Shipping on $100+ Orders to the USA.
                  • Except Preorder products are shipped in 48 hours.
                  • Delivery to the USA:
                  1. Standard Shipping : 3-10 business days
                  • If time is of the essence, please consider selecting expedited delivery for faster service.
                  Exchange/Return Notes
                  • We offer a 30-day return/exchange service after receiving.
                  • Final sale items are not eligible for returns or exchanges.
                  • To process your return/exchange, please contact us at [email protected]
                  • Please click here for more details>>> Return & Exchange Policy
                  SKU: 80077902006

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                  4.3 ★★★★★
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                  K
                  Verified Purchase
                  Ken Jones
                  Phoenix, US
                  ★★★★★ 4
                  Well thought-out features. Hopeful that the seals hold on this newer variant of the Classic 100.
                  Color: Black/Green
                  6 years ago, I tried my first variant of the Classic 100. The features were mostly, as expected, but the unit failed a short while into usage. This was disappointing, because the classic 50 had been a reliable goto until my last classic 50 started to fail this month. The current classic 100 variant arrived in a damaged box, but the watch appeared to have no physical damage. All functions operated as expected, save for the audible alarms, and beeps. Amazon/Timex offered to discount or replace. As I need the audibles for specific workouts, and daily meds, I opted for the replacement. I'm a day into the replacement and am very satisfied with the purchase. So far, it exceeds the classic 50 in many functions, but I am still partial to the button feel of the older unit. I've made it through a swim workout with no adverse performance. I'm hopeful that the current variant proves to have more reliable seals than the earlier model that I tried. If so, this is a worthy upgrade to the classic 50. ****************************************************************************************************************************** (Details from 2020 purchase) Over the last 15 years, I've purchased several ironman watches for a variety of workouts and incorporation into timed/scheduled home and work activities. Until this 100-lap model, all others worked great and continued to work well beyond the band failure (yeah, count on it) after 3 or 4 years. For this model, the indiglo stopped working within 3 months and now, 11 months in, the watch has fully reset 3 times unprompted during the past 2 weeks. This is fairly aggravating since it made me late for an appt on one failure and on another wiped out a number of workouts that I was tracking for an upcoming tri. Visibly, the watch looks new, no marks, no apparent moisture, but it has now proven itself to be thoroughly unreliable. This is very sad, because I found multiple uses for each of the features included in this model, and I had even adjusted to operating the very stiff split and stop buttons during swim/bike/run sessions. I gave this model 3 stars on water resistance, because I have no evidence either way as to whether this or the stiff buttons had anything to do with its failure. I'm going back to the 50-lap version. If I see a hint of non-band related problems with that, I'll have to assume that Timex is no longer in the business of making ironman watches for athletes.
                  WAS THIS REVIEW HELPFUL?YesReportShare
                  Reviewed in the United States on May 28, 2019
                  A
                  Verified Purchase
                  Amazon Customer
                  Natrona Heights, US
                  ★★★★★ 5
                  Ironman 100
                  Color: Black/Green
                  Great watch, as a trainer it has everything you need if you don’t want to be distracted with notifications. Best part is the interval timers & stop watch. It did come with the indiglo button rolling around in the box… I popped it back on and it seems secure now… we’ll see. I have 2 Ironman 30’s and they are awesome as well… just doesn’t have the interval timer like the 100 series.
                  WAS THIS REVIEW HELPFUL?YesReportShare
                  Reviewed in the United States on February 21, 2026
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                  Verified Purchase
                  brobeta
                  Lake Worth, US
                  ★★★★★ 5
                  great watch for distance running, or any time you need a timer, alarm, or just the time of day
                  Color: Black/Yellow
                  I bought my first one of these shortly before running my first marathon, so that I could keep good track of my pace. Now in addition to race days it is an essential training tool for me. I check where the mile points are before going for a long run and check on my pacing. It's also great for interval training. The display is easy to read and the various buttons and functions are easy to figure out and use. I travel a lot internationally, and it has also become a great casual travel watch. The 2nd time zone setting is helpful, and especially being able to set a quick alarm has prevented me from accidentally missing a flight because I dozed off in the airport lounge. This is my 2nd time buying the exact same model. The battery on the first one died after almost exactly two years. I knew I could send it back to Timex for a new battery for $10, but I had a half-marathon coming up in a few days and wouldn't get it back in time, so I went to a local watch/jewelry place instead. They replaced the battery for $5 and it worked fine, but I don't think they got the waterproof seal re-inserted correctly, because when I got caught in a downpour the watch stopped working*. With another race coming up I searched the available options for new watches, and this is still the best model for my needs. One thing I will do differently is send the watch to Timex when the battery dies, as I expect they'll do a better job re-seating the waterproof seal. I got a prepaid mailer box from my local running store. *I put the soaked watch in a ziplock bag with some white rice and a dessicant packet. After a couple days (changing to fresh rice once a day) the watch display re-appeared just like new. In fact, it was only the display that stopped working, because it was still showing the correct time and had my mile split times up to the point it got soaked. I still wouldn't trust it around water, and I was going to keep it as a backup "dry weather" watch, but then my teenage asked for it so I gave it to him.
                  WAS THIS REVIEW HELPFUL?YesReportShare
                  Reviewed in the United States on May 23, 2013
                  P
                  Verified Purchase
                  penlight
                  Houston, US
                  ★★★★★ 5
                  solid no nonsense watch
                  Color: Black/Yellow
                  This watch has many key features I needed in an everyday watch. - 5 separate alarms which you can set to a single day of week, weekend, weekday, or all week. useful for let's say trash day reminders or school day pickup reminders. The flexibility of the alarms is really key. - 9 interval countdown timers (repeats when done) - 1 countdown timer - stopwatch100 lap (more than enough) - indigo light, excellent nighttime illumination - excellent water resistance and durability. i've had mine for nearly 2 years and it still looks sharp. some of the lettering on the front has rubbed off, but most still visible, colors hold well. and i've put mine thru all sorts of abuse over the years. - large screen and digits for easy viewing at work. i have to record times at work so this was key. date and day of week is easily visible as well. - good battery life. if you don't use light a lot but use alarms regularly can last easily between 1-2 years - excellent price for about 30$ CONS: - no vibration, but i don't really need this - dual time zone... actually not ideal because you switch by pushing & holding the start/split button below the face. i accidentally seem to push and hold this button a lot thus it switches my timezone. i've gotten around this by just setting both times to be identical but a bit of a pain - resin band is durable but as always the little moving strap part to tuck away extra band breaks after a while. I discovered a neat trick to use my daughter's small hairband tie folded over twice to secure the extra band now. durable and doesn't look bad (if you pick the right color). - pain in the butt to change the battery (uses CR 2025 by the way). you have to remove both resin band parts first as it slightly overlaps the back case. then there are 4 tiny screws. once the bands are taken off it's pretty straight forward. make sure to align the thin rubber seal before you put the cover on. mine leaked water in after a change until I realized the seal was not sitting properly. Overall, I've been thru smartwatches, fancy watches, solar watches, ... mainly many casio and timex watches. this is by far one of the most practical and best watches I have. I'll be curious to see what google/apple create in the smartwatch category of the years.
                  WAS THIS REVIEW HELPFUL?YesReportShare
                  Reviewed in the United States on September 6, 2013
                  R
                  Verified Purchase
                  RQL
                  Dallas, US
                  ★★★★★ 5
                  Great sports/fitness watch
                  Color: Black/Yellow
                  I will start my review with an admission: I hate digital watches. I think 7-segment numbers look ugly, and I prefer the ability to see the 'distance' between times visually that you get with an analog face. But I needed the timer and lap counter for my job, and I have always wanted to do interval training to improve my speed and endurance while cycling. This watch had everything I needed and more. I was aware that Timex was a respected brand, and the T5E231 was the only watch in my price range with the ability to count 199 laps. I have to say, though, that after a week of use, I actually love this watch. Not only does it meet my needs functionally, but it actually brings me pleasure to wear it and operate it. The yellow trim around the inside of the bezel clearly identifies it as a sport watch, yet it seems to fit in well in formal settings. The interface is incredibly user-friendly and satisfying to operate. I never thought I would refer to a watch's "interface", but this watch actually has one. Pressing most of the buttons results in actual text being displayed on the screen telling you what the button did, or what will happen if you hold that button down just a little longer. In most modes there are even little labels that appear on the screen by the buttons telling you what they do in that mode. Figuring out how to use almost all of the functions only required five minutes of random experimentation. The only thing I had to consult the manual about was how to switch the chronograph into lap counter mode. I just wish there instructions explaining how to fold the manual back into a size that fits inside the watch stand. There are so many little touches that make it clear the designers at Timex really take pride in their work. Here are my favorites: -When turning night mode on, the Indiglo lingers for another few seconds after releasing the button. But when turning it off, the light extinguishes immediately! It should, since if you are turning night mode off, it's probably daytime and you don't need the Indiglo anymore. -Being able to scroll numbers backwards and forwards while setting times. On other watches it is so frustrating to 'miss' the number you want and have to press the button 60 more times. -Little icons appear on the home screen letting you know if the timer, chronograph, or alarm is running in the background. Most watches only have an icon for the alarm. -The speaker plays a different sound for the alarm and the timer, so you know which one is going off without looking at the screen. Also the Indiglo light flashes. -The Indiglo system is clearly a masterwork of engineering. It looks evenly lit and is very easy to read, yet it doesn't illuminate anything other than the display (unlike the backlight on a phone, for example). This must save a lot of battery power, since lighting up other objects around the watch is a waste of electricity. Besides, you have your phone for that! -In timer mode, you can see what time the timer was originally set for on another line below the countdown. -The AM and PM appear in the same place on the display; there is just one little segment that lights up to turn the P into an A. -Many of the buttons that perform an irreversible or potentially unwanted function (such as resetting the chrono or clearing workout data) require being held down for several seconds so you don't trigger them accidentally. -The watch tells you how much memory is free for storing workouts. There is only one problematic thing about this watch (and it may actually be a problematic thing about myself). In order to activate the FLIX system I am required to wrench my arm so hard I nearly dislocate it. It is painful, and takes way more effort than just pressing the Indiglo button. This doesn't bother me, because I didn't buy this watch with the intention to ever use FLIX, but it is somewhat frustrating that it is so hard to use. However, it is possible that my technique is flawed, and there is an easier movement that will activate it. But I don't really want to experiment; I like my arm in its current uninjured state. In all, I am very satisfied with my purchase. I love everything it does, and the only 'negative' probably says more about me than it does about the watch. Considering my abhorrence of digital watches, I am surprised that I like this one so much. I don't plan to wear it any other time than while at work or working out, but for those times it is not only tolerable, but actually enjoyable. I highly recommend this watch!
                  WAS THIS REVIEW HELPFUL?YesReportShare
                  Reviewed in the United States on February 19, 2013

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