RadioMaster Micro 2 4GHz RM 4 in 1 Multiprotocol Module JR Nano For Zorro Boxer TX16S MKII TX12 MKII Radio TransmitterThe 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 Description Brand RadioMasterItem RM 4IN1 ModuleOperational voltage 4 5 8 4VOperational frequency 2 4G ISM band 2400mHz 2483mHz RF Chipsets CC2500 NRF24L01 A7105 and CYRF6936Operational current â??100mARF Gain 20dBmWeight 30g without antenna Dimension 73 42 22mm without antenna Features Up to 20dBm power output Compatible with more than 70 RF Protocols Works with JR and Nano Module Bays Wireless trainer function For Zorro Boxer TX16S MKII TX12 MKII and more Compatible with more than 70 RF protocolsRM 4IN1 is compatible with more than 70 RF protocols including DSMX Flysky SFHSS HiTec HoTT OMP Radiolink Frsky and many more Wireless trainer functionWhen used in conjunction with a suitable EdgeTX or OpenTX compatible radio such as the TX16s TX12 or Zorro the RM 4in1 module can be used as a wireless trainer link to a student radio such as another TX16s TX12 Zorro or any other radio capable of transmitting DSMX Frsky or Flysky protocols FCC Version and EU LBT Version are AvailableCurrently we provide the standard FCC version and the EU LBT version FCC Version supports