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2.4G RO& TO Device Technical Parameters The Smallest 4 Channel 2.4GHZ Wireless A/V Camera in the world Transimitting unit Output Frequency:2400MHz?2483MHz Voltage & current:+4.95V ?5.05V DC MIN 100mA Output Channel & Frequency: CH1 2411 MHz CH2 2433 MHz CH3 2453 MHz CH4 2473 MHz Input Intercept:75 Ohm Video Input:2.5Vp-p Reception Sensitivity:45dB Video Output:6 ?12dBc Audio Output:22?32dBc Output:intercept:75 Ohm Technical Parameters of Receiving Unit Input Frequency:2400MHz~2483MHz Normal Input Intercept:750 Ohm Centre Frequency:479.5MHz Operation Voltage and Current:+4.95V~5.05V,Min 180mA Input Frequency and Channel: CH1 2411 MHz CH2 2433 MHz CH3 2453 MHz CH4 2473 MHz Video Output:0.8-1.2Vp-p Audio Output:A1(6.5MHz) 2-2.8Vp-p A2(6.0MHz) 2-2.8Vp-p Video Signal Contrast:34-36DB Audio Signal Contrast:45-55DB Audio Distortion :0.6%,Max4% Current Consumption:Min 140mA,Max 180mA Max Operation Voltage:DC+5.25V(Regular+5V)