Matek Systems- mR900-30-TX Module Kit Specification: mR900-30 STM32G431KB, mLRS firmware LoRa SX1262 with TCXO PA/LNA SKY68383-11 RF Frequency: 900MHz (868MHz, 915MHz FCC) 915MHz RF power: 21dBm(min) / 22dBm / 24dBm / 27dBm / 30dBm(1000mW) 868MHz RF power: 24dBm(min) / 24dBm / 24dBm / 27dBm / 30dBm(1000mW) Antenna connector: IPEX MHF-1 to SMA mRx-TX Adapter Built-in HC-04 Bluetooth module Built-in 5V fan controller, running if output power>=500mW TX2: RC IN(CRSF) one buttom for DFU mode and Bind Red and Green LED for mLRS status Blue LED for Bluetooth status Power supply: 5-13V DC @ JR_PIN3 (VIN) Package contains: 1x mR900-30-TX, 1x IPEX MHF1 to SMA adapter cable 5cm, 1x IPEX MHF1 to RP-SMA adapter cable 5cm 1x 5V Fan (25*25*10mm) and some screws no SMA antenna & 3D printed Case packed