You can adjust the output channels freely, select all of the USA standard channels
RF Output Level 66-80 dB u V
RF Output Channels 1CH-125CH
RF Output Impedance 75 ohm
Video S/N 53dB min
P/S Carrier Ratio 12 or 16 dB
Video Input Level 1.0Vpp, 10 step greyscale
Video Input Impedance 1K/75 ohm
Frequency range 55.25-799.25 MHz
Power Source AC120V