ICOM M-45 marine mobile radio: specification: Simple Tag scanning. Add or delete channels to monitor with a single touch Remote Function Mic allows for control of channel selection and power levels right on the mic Dual/Tri Watch lets you monitor channel 16 (and the call channel, if you wish) while operating on another channel Large, adjustable backlit LCD and keypad for convenient day or night use One piece, die-cast aluminum construction for durability, heat dispersion, and signal clarity Exceptional receiver and audio quality, even while running in open cabins All US, Canadian and international channels One-touch channel 16 or 9 selection NEW! Simple to install flush mounting kit (option MB-69). No trim ring required! The body of the IC-M45 is shaped so that the head of the radio mounts flush with the dash, hiding the cut. It's easy to install, looks clean and takes up less space. Weather alert function Water-resistant gaskets used throughout, even on the hand microphone Available in black or white 3 year waterproof warranty IC-M45 - SpecificationsThis information is taken directly off of the ICOM IC-M45 brochure. GeneralFrequency Range: Transmit: 156.025 -157.425 MHz; Receive: 156.025 - 163.275 MHz Usable channels: All U.S.A., International and Canadian channels; plus 10 weather channels Mode: FM(16K0G3E) Power Supply: 13.8 V DC +/-15% Current Drain (at 13.8 V DC): Transmit: Less than 6 A Receive: 1.2 A (max. audio) Usable Temperature Range: -20°C to +60°C (-4°F to +140°F) Antenna connector: 50 ohms (SO-239) Weight: 0.9 kg; 2 lb TransmitterOutput Power (at 13.8 V): 25 W (high); 1 W (low) Modulation System: Variable reactance phase modulation Spurious Emissions: Less than -70 dB Adj. Channel Power: 60 dB ReceiverReceiver System: Double-conversion superheterodyne Intermediate Frequencies: 1st: 30.85 MHz; 2nd: 450 kHz Sensitivity: 0.22µV for 12 dB SINAD (typical) Squelch sensitivity: 0.22 µV typical Adjacent channel selectivity: 70 dB typical Spurious Response Rejection Ratio: 70 dB typical Intermodulation rejection ratio: 70 dB typical Audio Output Power (at 13.8 V DC, 10% distortion): 4.0 W typical with a 4 ohms load Audio Output Impedance: 4 ohms OptionsSP-5 EXTERNAL SPEAKER: A large, external speaker for superior audio output. SP-10 EXTERNAL SPEAKER: A compact, external speaker. Features easy installation. MB-69 FLUSH MOUNT: For mounting the IC-M45 to a panel. HM-177B/W HAND MICROPHONE: Same as supplied. White or black.