ITEM NAME:5.8G 40 Channel Hdmi To Fpv Transmitter Module LT600 Led Display Support K2R8 5.8G 40 Channel Hdmi To Fpv Transmitter Module LT600 Led Display Support K2R8 Product specification: Frequency: 5.8GHz Output power: 600 kW Input voltage: 7-24V Operating current: 190 mA Connector: RP-SMA female (transmitter), RP-SMA male (antenna) Operating temperature: 10 to 85 degrees Celsius TV System: NTSC (Automatic) Transmission distance: 4 km Antenna gain: 3dbi Antenna length: 10.8 centimeters Video bandwidth: 8 million Audio bandwidth: 6.5 meters 40 frequency selection A:5865,5845,5825,5805,5785,5765,5745,5725 B:5733,5752,5771,5790,5809,5828,5847,5866 C:5705,5655,5665,5645,5885,5905,5925,5945 D:5740,5760,5780,5800,5820,5840,5860,5880 E: 5658,5695,5732,5769,5806,5843,5880,5917 Colour: Black material: plastic Product Weight: 6g Product size (length x width x height): 2 x 0.80 x 3.80 cm / 0.79 x 0.31 x 1.5 inches Package Contents: 1 x cable 1 x FPV transmitter 1 x antenna.1 x FPV transmitter. Connector: RP-SMA female (transmitter), RP-SMA male (antenna). Transmission distance: 4 km. Video bandwidth: 8 million. 40 frequency selection. Colour: Black. E: 5658,5695,5732,5769,5806,5843,5880,5917.