Input voltage: 7-36V Working frequency: 1.2G-1.3G Available channels: 9-CH Maximum output power: 1600mW Maximum size: 37mm x 30mm x 8mm Installation hole position: 25.5X25.5mm Weight: 7.3g Number of channels: 9 channels Frequency: 1080/1120/1160/1200/1240/1258/1280/1320/1360(MHz) Output power: 10/200/1600MW Signal-to-noise ratio S (Fo3MHz): 70dBc Antenna Port impedance: 50 Ohms Input signal format: NTSC or PAL Operating Temperature: -10~+60 Profile dimension: 28mm (L) x 21mm (W) x 3.1mm (H) Function Description: 1. tramp "PIT/10 /200 /1600MW" 2. Press and hold the channel selection button for 1 second to switch CH 1-9 cycle 3. Press and hold the power selection button for 1 second to switch the power to 10/200/1600 cycles. 4. Press and hold the power selection button for more than 2 seconds to switch between entering PITMODE and exiting PITMODE. When using this product, please comply with local regulations and install the antenna before use. Due to different batches, the appearance, color and printed words of the product , which will not affect the use. Colour:Black Material:PCB Package Contents: 1x 1.2G 1.6W video transmission module 1x cable 1x Elbow MMCX-SMA female adapter cable 1x 1.2G Y-shaped antenna 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.