... filter, ensure perfect out-band suppression.7. Multiple power supplies, -48VDC, AC220V or solar energy power source.8. Supports over-voltage, over-current ... protections, optional backup battery.Main Technical Parameters: ItemParameterFrequency range470~798MHzBandwidth8MHzInput power range-80~-30dBmOutput power200mW~5W, 5W~100WAutomatic level controlIndoor type ...