Supports 4.9 to 6.1GHz wideband operation 7-36V wide-range voltage input Button/TBS control for quick channel and power changes Dual amplifier design with backup for enhanced stability eliminates antenna connection and protects against amplifier burnout Automotive-grade temperature range crystal for enhanced frequency stability Operating voltage: 7-36V Operating current: 1.2A 12V, 2500mW Operating environment: -10 °C- 60°C Mounting hole spacing: 30.5x30.5/M3 Antenna connector: MMCX Video format: NTSC/PAL Output power: 25mW, 500mW, 1000mW, 2500mW, 3000mW Image transmission protocol: TBS Color: Black Material: plastic Package Contents: 1 x VTX Kit 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.