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SPECIFICATIONS AND OPTIONS
■ Specifications
DD
General
• Frequency coverage :
Transmit 156.025–157.425 MHz
Receive 156.050–163.275 MHz
• Mode : FM (16K0G3E)
DSC (16K0G2B)
• Current drain (at 13.8 V) : TX high (25 W) 5.2 A typical
Max. audio 1.2 A typical
• Power supply requirement: 13.8 V DC ±15%
(negative ground)
• Frequency stability : ±5 ppm
(–20°C to +60°C;
–4°F to +140°F)
• Antenna impedance : 50 Ω nominal
• Input impedance (MIC) : 2 kΩ
• Output impedance (audio): 4 Ω
• Dimensions : 220(W) × 110(H) × 109.4(D) mm
(Projections not included) 8
21
⁄32(W) × 4
11
⁄32(H) × 4
5
⁄16(D) in
• Weight : 1350 g; 2 lb 16 oz
DD
Transmitter
• RF output power : 25 W and 1 W
• Modulation system : Variable reactance frequency
modulation
• Max. frequency deviation : ±5.0 kHz
• Spurious emissions : Less than –70 dBc
• Adjacent channel power : More than 70 dB
• Audio harmonic distortion : Less than 10%
(at 1 kHz, 60% deviation)
• Residual modulation : More than 40 dB
• Audio frequency response: +1 to –3 dB of 6 dB/octave
range from 300 Hz to 3000 Hz
DD
Receiver
• Receive system :
Double conversion superheterodyne
• Sensitivity (12 dB SINAD) : Less than 0.32 µV
Less than 0.32 µV
(CH 70 receiver)
• Squelch sensitivity : Less than 0.32 µV
• Spurious response : More than 80 dB
• Intermodulation : More than 80 dB
•
Adjacent channel selectivity
: More than 80 dB
• Hum and noise : More than 40 dB
• Audio output power : 5 W typical at 10% distortion
with a 4 Ω load
All stated specifications are subject to change without
notice or obligation.
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