Note: The high-power video transmission must be connected to the antenna before powering on. Otherwise, the power amplifier circuit be burned and the image transmission be ! 1.2G 800mW VT 1.2Ghz 800mw wireless video transmission module Working frequency range: 1.0G-1.360GHz Transmission channel frequency (transmission frequency group): 1080MHz 1120MHz 1160MHz 1200MHz 1240MHz 1280MHz 1320MHz 1360MHz Video signal system: PAL/NTSC Audio input impedance: 1KΩ/Video input impedance: 75Ω Input voltage: DC3.7-5V (it is recommended to input 5v power enough) Working temperature: -20°C+60°C Image transmission size: 38308.3mm (without antenna) Video transmission installation hole position: 25.525.5M2 Module weight: 7.3g Due to different batches, there may be differences in product appearance, color, and printed tet, which not affect the use. Colour:Black Material:PCB Package Contents: 1 Transmitter Module 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.