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This unit has features usually reserved for more costly VHF radio units including Dual Watch, Dot Matrix Display Area, an adjustable backlight, and function keys on the mic. The Cobra MR F55 is a full function DSC-capable VHF radio. Its compact design and included flush and bracket mounting kits make it great for any installation. The selectable 1 or 25 Watt output is perfect for short or long-range communication. These units are part of Cobra’s Professional Series VHF line and include a three-year warranty. Cobra strongly recommends that you obtain and connect a GPS device to your CobraMarine VHF radio. By having a GPS connected, your position will be continuously indicated on the LCD and, most importantly, it will be included automatically in any DSC distress message you may need to send. That will take the “search” out of “search and rescue.” Cobra provides the GPS interface cable standard. Technical details Length: 7.125 Width: 2.25 Height: 6.25 Weight: 2 lbs 6.8 oz Number of Channels All Channel Spacing 25 kHz Modulation 5 kHz Max. Input Voltage 13.8 VDC Current Drain: Stand-by Receive Transmit 200 mA 300 mA 5 A @ High Power 1 A @ Low Power Temperature Range -20°C to 60°C Unit Dimensions 6.25" x 2.25" x 7.125" (159mm x 57mm x 180mm) Unit Weight (Lbs) 2 lbs., 6.8 oz. (1100g) Receiver Frequency Range 156.050 to 163.275 MHz Receiver Type Double Conversion Super-Heterodyne Sensitivity: 20 dB Quieting 12 dB Sinad 0.35uV 0.30 uV Adjacent Channel Selectivity -60 dB Intermodulation and Rejection -60 dB Spurious & Image Rejection -60 dB AF Output 4 Watts @ 8 Ohms Transmiter Frequency Range 156.025 to 157.425 MHz RF Output Power 1 or 25 Watts Spurious Emissions -60 dB @ High Power -55 dB @ Low Power Microphone Type Electret Microphone Impedance 2000 Ohms Frequency Stability +/- 10 ppm FM Hum & Noise 40 dB
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