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Frequency range | TX | 156.025–157.425 MHz | ||
RX | 156.050–163.275 MHz | |||
CH70 | 156.525 MHz | |||
Usable channels | USA, CAN, INT, WX channels | |||
Type of emission | 16K0G3E (FM), 16K0G2B (DSC) | |||
Power supply requirement | 13.8 V DC nominal (11.7–15.9 V DC) | |||
Current drain (at 13.8 V DC) | TX 25W output | 5 A | ||
RX AF max. | 1.2 A | |||
Operating temperature range | –20°C to +60°C; –4°F to +140°F | |||
Antenna impedance | 50 Ω(SO-239) | |||
Dimensions (W×H×D) (Projections not included) | 156.5×66.5×110.1 mm; 6.2×2.6×4.3 inch | |||
Weight (approx.) | 700 g; 1.5 lb (with HM-237B) | |||
NMEA formats | Input | RMC, GGA, GNS, GLL, VTG | ||
Output | DSC, DSE, RMC, GSA, GSV | |||
Transmitter | ||||
output power | 25 W, 1 W | |||
Max. frequency deviation | ±5 kHz | |||
Frequency tolerance | ±5 ppm | |||
Spurious emissions | Less than –60 dBc | |||
Receiver | ||||
Sensitivity | Main | –13 dBµ typ. (12 dB SINAD) | ||
DSC | –5 dBµ emf typ. (1% BER) | |||
Adjacent channel selectivity | main | More than 68 dB | ||
DSC | More than 68 dBμ emf (1% BER) | |||
Hum and noise | More than 40 dB | |||
Audio output power (at 10% distortion with a 4 Ω load) | 4.5 W typical |