The ES24TX Pro Micro-type ExpressLRS TX module is a upgrade version of ES24TX module. Max output up to 1000mw, reserved Cooling Fan and RGB LED module. This Micro-type TX module support most of the OpenTX radio transmitter that with Micro-type JR bay. And this time the ES24TX Pro module comes completely assembled before out of factory. Specifications: Regulatory Domain: ISM2400 MCU:ESP32(main),ESP8285(aux,as espbackpack) RF chip: SX1281IMLTRT JR standard 5pin socket Frequency Range: 2400 MHz to 2500 MHz Maximum receive refresh rate: 500Hz Minimum receiver refresh rate: 25Hz RF Output Power: 30dBm Power supply voltage: 5v~10v Weight: 51gram(without antenna) Dimension: 70mm x 49mm x 32.5mm Antenna gain: 4.18dBi Firmware target: ES24TX_Pro_Series_2400_TX Color: Black Material: ABS Package Contents: 1 x ELRS TX Module for FPV Drone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.