Features With the 2000mW Max RF Power, enjoy stronger signals, and longer transmission distances. Featuring a built-in TCXO, CNC aluminum alloy heat sink, enlarged airflow vents, and a high-speed 2507 Axial Fan, the upgraded cooling system ensures stable link performance. Say goodbye to multiple steps of PID switches to flash the firmware, enjoying a fluent flashing experience easily with one 5D button and an OLED display. Backpack function aims to allow wireless communication between ExpressLRS, and other FPV-related devices for command and control, or for querying config. Specification Item: BETAFPV Micro TX V2 Module | ELRS 915/868MHz Weight: 54.8g Color: Black Antenna Connector: SMA-KE RF Power: 10mW/25mW/50mW/100mW/250mW/500mW/1000mW/2000mW Packet Rate: 25Hz/50Hz/100Hz/100Hz Full/200Hz/D50 Frequency Band: 915MHz FCC/868MHz EU Backpack: Support Input Voltage: 7V~13V DC Rated Current: 10V,1A@2000mW,200Hz, 1:128 USB Port: Type-C Fan Voltage: 5V Default Firmware Version: ExpressLRS V3.4.3 Target Name: BETAFPV Micro 900MHz TX V2