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Jumper T12 Plus 2.4GHz 16CH OpenTx Multi-Protocol Radio Transmitter

Jumper Radios
PDF icon Manual531.38 KB

This is the third generation Jumper T12 Multi-Protocol Transmitter with hall sensor gimbals, it is very versatile and comes with JumperTX updated firmware (based on the OpenTX Project). There is a JR style module bay in the back that comes with the extremely versatile Jumper JP4-in-1 module that allows communication with a wide range of protocols such as Walkera DEVO, Spektrum DSM2/DSMX, Flysky, Esky, Frsky, WLtoys, Hubsan, Hisky, Futaba SFHSS Assan etc.

This release of transmitter supports TBS crossfire in CRSF mode with LUA script support without any hardware modifications. The Jumper T12 Plus also comes with hall sensor gimbals to provide smooth, accurate and precise control. The 1.7inch 128x64 LCD screen allows easy viewing for setting up your models. There are four 3-position switches, two 2-position switches and two dials for all your devices. The transmitter can use up to 12 channels depending on the receiver type.

The JP4IN1 module integrates the CC2500, NRF24L01, A7105 and CYRF6936 RF chips into one PCB. The JP4IN1 is an OpenTX original accessory which can do serial digital signal communication with the Frsky series radios. Recognizing PPM signal from radio output, then converted to the corresponding radio protocol to achieve control of the fixed wing and drone aircraft.

Radio Features:

  • JumperTX (open source Firmware set based on the OpenTX Project)
  • JR/FrSKY compatible module bay on rear side
  • USB online firmware upgrade
  • Ultra-low power consumption, longer battery life
  • Channels: up to 16 channel output
  • Open Source Firmware, all channels are fully programmable
  • Wide voltage input (2s lipo recommended)
  • Multilingual menu
  • Vibration reminder function
  • Support telemetry (depending on the receiver)
  • Crossfire CSRF Compatible: Yes
  • LUA Script support: Yes
  • For supported protocols:

The Jumper T12 transmitter is easy to use and the module bay allows for lots of different protocols to be utilized.

Radio Specs:

  • Radio MCU: STM32F205VET6 (512kb)
  • Size: 158x150x58mm
  • Weight: 342g (without battery)
  • Working voltage: DC5-DC9V (factory with 4 x AA battery box, 2s Lipo recommended, batteries not included)
  • Firmware: JumperTX (an open source Firmware set based on the OpenTX Project)
  • Channels: Up to 16 channel output
  • Display: 1.7-inch LCD display, 128x64 resolution
  • Gimbal Type: Hall sensor
  • Upgrade method: USB online upgrade
  • Simulator mode: 3.5mm standard ppm output or USB HID
  • Voice support: Yes
  • Stick Mode: Mode 2
  • Case Color: Black

JP4-in-1 Specs:

  • Working voltage: 6-9V
  • Working current: <=100mA
  • Operating frequency: 2.4GHz ISM band
  • RF power: +22DBM
  • Main control chip: STM32F103CBT6 (128K ROM, 20K RAM)
  • Module bay compatibility: FRSky, JR and other 
  • Dimensions: 64x49x33mm (without antenna)
  • Net Weight: 42g (including antenna)
  • Software Compatibility: Suitable for radios using OpenTX or er9x/ersky9x
  • Firmware updatable: Yes, via USB


  • 1x Jumper T12 V3 transmitter with JP4-in-1 module Mode 2 (Black)
  • 1x Neck strap
  • 1x USB cable
  • 1x Instruction manual


  • 4 x “AA” Batteries or 2S Lipo

None Available

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