Transmitter Specifications: Frequency: 5645 to 5945MHz, 4groups; 32 channels in total Power: 28dBm/600mW Distance: >5000m (outdoor) AV input: analog video and audio signal input Dimension: 54 X 32 X 10mm Power supply voltage: DC7-16V Receiver specifications: Frequency: 5645 to 5945MHz, 4groups; 32 channels in total Receiving sensitivity: -90dBm Frequency control: built-in frequency and phase lock loop Double lines AV output: analog AV signal output Antenna connectors (Inside the needle) Power supply voltage: DC12V Dimension: 80 X 65 X 15mm (aluminums alloy extrusion profiles) Package: 1 X Transmitter 1 X Receiver 2 X Antenna 3 X Cable