1.2 GHz 150mW video transmitter antenna and harness

Power The recommended power source is a 3s1p Li-Poly battery.  Power input is wide:7.5-13.0VDC is the effective voltage range for this transmitter.<7.5VDC the transmitter does not operate.7.5-10.0VDC the transmitter will operate with reduced range.11.0-13.0VDC is optimal for the maximum transmitting distance. The transmitter heats up relative to the operating voltage. It is normal for the transmitter to heat up 50 degrees Celsius when being powered from a 12VDC source. For prolonged life it is recommended to use a heat sink or place the transmitter in airflow.  Warning: DO NOT power ON the transmitter without the antenna !!  Frequencies: We ship two different versions of this transmitter, depending on your shipping address. USA customers will receive 2 channel version : CH1: 1258 MHz CH2: 1280 MHz International version will receive 4 channel version. CH1: 1258 MHz CH2: 1280 MHz CH3: 1320 MHz CH4: 1360 MHz   It's legal to transmit on only on 1258 MHz , and 1280 MHZ in the USA. Wirin