Cobra Electronics Mrf 80b Fish Finder User Manual


 
Operating Your Radio
Nothing Comes Close to a Cobra
®
Specifications
77
Specifications
General
Number of Channels All U.S.A., Canadian, and International
NOAA Weather Channels
Channel Spacing 25 kHz
Modulation 5 kHz Max.
Input Voltage 13.8 VDC
Current Drain:
Stand-by 100 mA
Receive 500 mA
Transmit 5A @ High power 1A @ Low
Temperature Range -4˚F to 140˚F (-20˚C to 60˚C)
Unit Dimensions 6.375" x 3" x 6.25"
(162 mm x 76 mm x 159 mm)
Unit Weight 2 lbs., 6.8 oz. (1100 g)
Receiver
Frequency Range 156.050 to 163.275 MHz
Receiver Type Double Conversion Super-Heterodyne
Sensitivity:
20 dB Quieting 0.35 uV
12 dB Sinad 0.20 uV
Adjacent Channel Selectivity -60 dB
Intermodulation and Rejection -60 dB
Spurious and Image Rejection -60 dB
AF Output 4 Watts @ 8 Ohms
Transmitter
Frequency Range: TX 156.025 to 157.425 MHz
RF Output Power 1 and 25 Watts
Spurious Emissions -60 dB High -55 dB Low
Microphone Type Electret
Frequency Stability +/-10 ppm
FM Hum and Noise 40 dB
8187-F80-Operation-8_MMB:F75-Operation-8 12/29/06 9:04 AM Page 77