E-19Uniden MHS75 Radio Owner’s ManualTransmitterFrequency Range 156~158 MHzFrequency Stability ±10 PPMPower Output 1.0 W & 2.5W & 5WSpurious Emissions 70 dBcCurrent Drain 1400 mA (5W)ReceiverTypeDouble Conversion Super HeterodynePhase Locked Loop system for LocalOscillatorFrequency Range 156~164 MHzSensitivity 0.20 μV for 12dB SINADSquelch Sensitivity Threshold 0.12μVAudio Frequency Response +5 dB @ 500 Hz; -6 dB @ 2000HzAdjacent Channel Selectivity 75 dB @ ±25 kHzAudio Output Power 0.4 W @10% THDCurrent Drain Squelched: 55 mA; Max. Audio: 210 mAChannels and FrequenciesUS channel frequencies and namesUS Marine ChannelsCh RX Freq TX Freq Status Name1A 156.050 156.050 Simplex Vessel traffic system/commercial5A 156.250 156.250 Simplex Vessel traffic system/commercial6 156.300 156.300 Simplex Inter-ship safety7A 156.350 156.350 Simplex Commercial8 156.400 156.400 Simplex Commercial9 156.450 156.450 Simplex Non commercial10 156.500 156.500 Simplex Commercial11 156.550 156.550 Simplex Vessel traffic system12 156.600 156.600 Simplex Vessel traffic system13 156.650 156.650 Simplex, 1W Bridge to bridge