SPECIFICATIONS
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GENERAL
• Frequency coverage
European versions : Tx 156.000–161.450 MHz
Rx 156.000–163.425 MHz
USA versions : Tx 156.025–157.425 MHz
Rx 156.050–163.275 MHz
CH70 RX : 156.525 MHz
• Intermediate frequencies
MAIN : 1st 21.700 MHz, 2nd 450 kHz
CH70 1st 30.875 MHz, 2nd 450 kHz
• Mode :
FM (16K0G3E), DSC (16K0G2B)
• Channel spacing : 25 kHz
• Operating temperature range : –20°C to +60°C; –4°F to +140°F
• Current drain (at 13.8 V) : TX high (25 W) 5.5 A maximum
Maximum audio 3.5 A maximum
• Power supply requirement
European versions : 13.8 V DC nominal (negative ground) (Operatable range: 10.8–15.6 V)
USA versions : 13.8 V DC nominal (negative ground) (Operatable range: 11.7–15.9 V)
• Frequency stability : ±1.5 kHz (–20°C to +60°C)
• Antenna impedance : 50
Ω
nominal
• Dimensions (approximately) : 216(W) × 79(H) × 125(D) mm ; 8.5(W) × 3.1(H)× 4.9(D) inches (Projections not included)
• Weight (approximately) : 830 g; 29 oz
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TRANSMITTER
• Output power : 25 W/1 W
• Modulation system : Variable reactance frequency modulation
• Maximum frequency deviation : ±5 kHz
• Frequency error
European versions : Less than ±1.5 kHz
USA versions : ±10 ppm
• Adjacent channel power : More than 70 dB
• Spurious emissions
European versions : Less than 0.25 µW
USA versions : Less than –70 dBc (High), Less than –56 dBc (Low)
• Audio harmonic distortion : Less than 10% (at 60% distortion)
• Residual modulation : More than 40 dB
• Audio frequency response
European versions : +1 dB to –3 dB of 6 dB octave (from 300–3000 Hz)
USA versions +1 dB to –3 dB of 6 dB octave (from 300–2500 Hz)
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RECEIVER (MAIN)
• Receive system : Double conversion superheterodyne
• Sensitivity
European versions (20 dB SINAD) : –5 dBµ emf (typical)
USA versions (12 dB SINAD) : –13 dBµ (typical)
• Squelch sensitivity
European versions : Less than –2 dBµ emf
USA versions : Less than –10 dBµ
• Intermodulation rejection ratio
European versions : More than 68 dB
USA versions : More than 70 dB
• Hum and noise : More than 40 dB
•
Spurious response rejection ratio
: More than 70 dB
• Adjacent channel selectivity : More than 70 dB
• Audio frequency response : +1 dB to –3 dB of 6 dB octave (from 300–3000 Hz)
• Audio output power (at 10% distortion with a 4
Ω
load)
External speaker : More than 10 W
HM-195 : More than 2 W
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RECEIVER (CH70)
• Sensitivity (at 1% BER)
European versions : –4 dBµ emf (typical)
USA versions : –5 dBµ (typical)
• Intermodulation rejection ratio : More than 68 dB (at 1% BER)
•
Spurious response rejection ratio
: More than 73 dB (at 1% BER)
• Adjacent channel selectivity : More than 73 dB (at 1% BER)
All stated specifi cations are subject to change without notice or obligation.
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