Emax Aeris Link ExpressLRS ELRS 2.4GHz & 915MHz Micro Transmitter RF TX Module With Cooling Fan OLED For RC Airplane FPV RC Drone Specifications: Brand: Emax Model: Aeris Link Item: Transmitter RF TX Module Weight: Approximately 39g (excluding antenna) Dimensions: 72 × 32 × 32mm (exdluding antenna) Operating Frequency: 2.4G Version: 2.4GHz ISM 915M/868M Version: 915MHz FCC/868MHz EU Output Power: 10mW (default) 2.4G Version Supports adjustable power levels of 25mW/50mW/100mW/250mW/500mW/1000mW 915M Versior: Supports adjustable power levels of 25mW/50mW/100mW/250mW/500mW/1000mW/2000mW Refresh Rate: 2.4G Version: 50hz, 100hz FULL, 150hz, 250hz, 333hz FULL, 500hz, D250hz, D500hz,F500hz,F1000hz. 915M Version: 25hz, 50hz, 100hz, 100hz Full, 200hz Antenna: 2.4G Version: Comes with a built-in gain T-shaped antenna, and can aso use other antennas with RP-SMA-) intemal thread and female connector. 915M Version: Comes with a built-in gain T-shaped antenna, and can also use other antennas with SMA-J internal thread and male connector. Configuration: Supports Crosfire serial data protocol (CRSF) signal and uses LUA scripts to control the high-frequency module. Compatible with OpenTX remote controllers. Interface: Type-C interface. External Power: XT30 interface (supports voltage input of 5-21V, recommended to use 2S (8.4V)) Product Included: 2.4G Version: 1X Eris Link Micro ExpressLRS 2.4G (Complete set) 1X 2.4G-T Type Antenna 1X Product Introduction Manual/Website Card 915M Version: 1X Eris Link Micro ExpressL.RS 915M (Complete set) 1X 915M-T Type Antenna 1X Product Introduction Manual/Website Card