RadioMaster 2.4G Multi-Protocol 4-in-1 Micro/Nano TX Module

The RadioMaster 4IN1 external module is a multi-protocol module that integrates CC2500, NRF24L01, A7105, and CYRF6936 RF chips. Designed for OpenTX and EdgeTX systems, the RM 4IN1 module allows the radio to connect with most mainstream protocols on the market.   FEATURES: Up to 20dBm power output Compatible with more than 70 RF Protocols Wireless trainer function Works with standard JR Bays using included adapter or Nano Bays    COMPATIBILITY: Protocols: FrSky DSM/DSMX FlySky FlySky AFHDS2A Walkera Devo Futabas SFHSS Hubsan HiSky, Syma, ASSAN and most other Chinese models (see full list here) Controllers: Zorro Boxer TX16S MKII TX12 MKII Other Radio Controllers with JR Bay or Nano Bay     SPECIFICATIONS: Item# HP0157-4IN1RF Operational voltage: 4.5-8.4V Operational frequency: 2.4G ISM band (2400mHz - 2483mHz) RF Chipsets: CC2500, NRF24L01, A7105 and CYRF6936 Operational current:≈100mA RF Gain: +20dBm Weight: 30g (without antenna) Dimensions: 73 x 42 x 22mm (without antenna) Protocols by Chip:1) DSM/DSMX, Walkera Devo (Cypress Semiconductor CYRF6936 Chip)2) FrSky, Futabas SFHSS (Texas Instruments CC2500 Chip)3) FlySky, FlySky AFHDS2A, Hubsan (Amiccom A7105 Chip)4) HiSky, Syma, ASSAN, and most other Chinese models (Nordic Semiconductor NRF24L01 Chip)   HELPFUL LINKS: Firmware Downloads   INCLUDES: (1) RadioMaster Micro 2.4GHz 4-in-1 Module (Nano)(1) JR Adapter(1) Antenna