BETAFPV ELRS Nano V2 TX module
The Nano TX V2 module is packed with upgrades for an unparalleled flying experience. Featuring the innovative T-LED antenna with its flickering frequency indicating the signal transmission and connection status of the module. With up to 1W/2W output, it enables stable connections for FPV racing, long-range flying and professional photography. It integrates seamlessly with Backpack and customizes the buttons. Enjoy smooth flight with the 1804 cooling fan. Unleash your full potential with the Nano TX V2 module.
Characteristics
- The first T-LED antenna with built-in LED display functionality, allowing pilots to seamlessly monitor signal transmission and reception 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 maximum packet rate is F1000/200Hz.
- Equipped with built-in TCXO, it minimizes frequency deviation for stable performance, eliminating signal interference.
- Thanks to the optimized internal airflow channel and heatsink, a 1804 high-speed cooling fan effectively dissipates heat even under high power output, ensuring stable connection performance.
- It supports backpack and custom button functions based on ELRS V3.3, allowing pilots to connect external devices and set buttons according to their personal usage habits.
Specifications
- Article: 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 (915/868 MHz): 10 mW/25 mW/50 mW/100 mW/250 mW/500 mW/1000 mW/2000 mW
- Packet Rate (2.4GHz) : 50Hz/100Hz/150Hz/250Hz/333Hz/500Hz/D250/D500/F500/F1000
- Packet frequency (915/868 MHz): 25 Hz/50 Hz/100 Hz/100 Hz full/200 Hz/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 (915/868 MHz) : 8V, 1000mA at 1000mW, 50Hz, 1:128
- USB Port: Type-C
- Fan voltage: 5V
- Default firmware version: ExpressLRS V3.3.0
Electrical Diagram
Below is the schematic of 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 permanently damaged.
Below is the comparison information. It shows the progressing updates and specifications.
| SuperG Nano TX | Nano TX V2 | Nano-TX | |
| Maximum RF power | Double-1000mW | 1W (2.4G) 2W (915/868MHz) | 500mW |
| RF Chips | Double SX128X | Single SX128X/SX1276 | Single SX128X/SX1276 |
| Antenna mode | Twins | Separate | Separate |
| T-LED Antenna | Not supported | Supported | Not supported |
| Cooling fan | Supported | Supported | Not supported |
| Backpack | Supported | Supported | Not supported |
| External power supply | Supported 7-13V | Supported 7-13V | Not supported |
Output power 1W and 2W
The Nano TX V2 module also offers 3 versions: 2.4GHz with a maximum output power of 1W and 915/868MHz with a maximum output power of 2W. Equipped with a built-in 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.
Greater range with stable connection quality
The Nano TX V2 module features a built-in TCXO (Temperature Compensated Crystal Oscillator). With the high-quality TCXO, it can withstand extreme temperatures without fear of heat and cold, continuously outputting a precise frequency for long-range flights. Click to learn more about the TCXO. providing a super stable yet powerful radio link for pilots who want to fly in any environment that requires extremely stable signals and low latency, including long-range flights, multiplayer flights, and FPV racing. It offers pilots a robust and aggressive flight experience.
T-LED Antenna
The T-LED antenna innovatively integrates LEDs with the antenna, allowing direct display of antenna information. When the antenna is connected correctly, normal flickering indicates the status of signal transmission and reception. The light on represents signal transmission, while the light off represents signal reception. The flickering speed varies according to the telemetry report and packet rate, providing pilots with a unique visual experience.
It also detects the connection status between the antenna and the TX module, preventing damage caused by incorrect operation. Irregularly flickering light when swinging the antenna indicates antenna damage, while irregular flickering when rotating the antenna connector indicates a loose connection in the antenna or TX module, which requires replacement.
Note: This T-LED antenna only lights up on the Nano TX V2 module. Other antennas such as 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 body with excellent texture. With its optimized internal airflow channel and heat sink, a 1804 high-speed cooling fan effectively dissipates heat even during high power output, ensuring stable connection performance. Pilots can fly with confidence and enjoy reliable performance, thanks to this dual-controlled cooling solution.
Highly customizable solution
Backpack, developed by the ExpressLRS team, is an optional module designed for radio transmitters. Offering greater flexibility and scalability, allowing pilots to connect external devices such as goggles, the Nano TX V2 module provides a highly customizable and expandable solution for various application scenarios and functional needs of pilots. There are two buttons reserved for pilots to customize their functions, allowing pilots to set the buttons according to personal usage habits.
Combination with most TX radios
The Nano TX V2 module can be configured via LUA script. EdgeTX V2.8.0 and OpenTX radio transmitter which supports CRSF can be used easily. It is available for popular Nano port TX such as 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 range with the addition of the Nano TX V2 module. To achieve exceptional link quality. BETAFPV takes the flight experience to new levels by introducing ELRS links that offer long-range capability, low latency and high update 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 the module will work properly. The settings are shown below.
Lua is a lightweight and compact scripting language. It can be used by plugging into radio transmitters and easily reading and modifying the parameter set of modules. Instructions for using Lua are given below.
- Download elrsV3.lua from the official BETAFPV website or from the ExpressLRS configurator
- Save the elrsV3.lua files on the radio transmitter SD card in the Scripts/Tools folder
- Press the "SYS" button or the "Menu" button on the EdgeTX system to enter the "Tools" interface where you can choose "ExpressLRS" and run it
- The images below show the Lua script if executed correctly
Custom buttons
There are two buttons reserved for users to customize its functions. The operation steps are shown below.
- Enter WiFi mode by enabling the module or turning it on for 60 seconds
- Once the RGB status indicator slowly flashes green, the receiver's WiFi will be activated (WiFi name: ExpressLRS TX, password: expresslrs
- Connect your phone or computer to WiFi and go to http://10.0.0.1 in your browser. You will be able to find the custom buttons settings page.
- In the "Action" column, select the desired custom function; In the "Presses" and "Count" columns, select the type of button press and the number of presses or the duration of the press
- Click "Save" to complete the setup
| Not used | Send VTX settings |
| Increase output power | Enable WiFi |
| Access the VTX channel menu | Enter binding mode |
| Access the VTX Frequency menu |
The default functions of the module are illustrated below.
| Button | Action | Press | To count |
|
Button1 (left button) |
Enter binding mode | Short press | 3 times |
| Increase power | Long press | For 0.5 seconds | |
|
Button2 (right button) |
Go to VTX Channel Menu |
Short press | 2 times |
| Send VTX settings | Long press | For 0.5 seconds |
Note: This hardware transmitter does not support RGB button lights.
External power supply and connection
The default firmware of the Nano TX V2 module is ExpressLRS version 3.3.0. There is no binding phrase preset. So binding with transmitters must ensure that the receiver uses the above V3.0.0 version without binding phrase.
- Put the receiver into pairing mode and wait for connection.
- Quickly press button 1 (left button) three times to enter pairing mode (factory default), or you can enter pairing mode by clicking "Pair" in the Lua script. If the indicator is solid, it means the device has been paired successfully.
Note: If the transmitter module has been reprogrammed with a binding phrase, using the binding method above will not bind to other devices. Set the same binding phrase for the receiver to automatically bind.
The power consumption of the Nano TX V2 module when using a transmission power of 500mW or more is relatively high, which will reduce the use time of the remote control. Users can supply 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 transmission 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 the use time.
- For example, in Gemini mode, the power consumption when setting the return ratio to 1:128 is 1000 mA, while the power consumption when 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), do not use 500mW and 1W, otherwise the module will restart due to insufficient power supply, resulting in disconnection and loss of control.
Frequently Asked Questions
- The TX module is not well connected to the remote control, you need to check whether the Nano pin of the remote control and the socket of the TX module are in good contact
- The ELRS LUA script version is too low and needs to be updated to elrsV3.lua
- If the baud rate of the remote control is too low, please set it to 400K or higher (If you can't set the baud rate of the remote control, you need to update the firmware of the remote control, for example, EdgeTX must be V2.8.0 or higher)
- Target Name: BETAFPV Nano V2 2.4GHz/ 915MHz/868MHz TX
- Reason: The problem is caused by the baud rate of the remote control is too low because the F1000 packet rate needs baud rate support higher than 400K to work.
- Solution: First you need to update the baud rate setting (above 400K is fine) in the Model Setting menu or System->Hardware menu, then reboot the remote to make sure the baud rate setting has been applied.
- Reason: This issue is caused by synchronization issues with the EdgeTX remote control system
- Solution: Update the EdgeTX version of your remote to version 2.8.0 or higher
- Download the instruction manual for the Nano TX V2 module
- Download the firmware for the Nano TX V2 module
- Download Backpack Firmware for Nano TX V2 Module
- Click to learn more about Lua ELRS scripts
Package Included
- 1x Nano TX V2 Module
- 1x T-LED Antenna
- 1x USB to Type-C data cable
- 1x Type-C Male to XT30U Male Power Cable
- 1x Instruction Manual
- 1x Service Card
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