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General
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Frequency range
VHF
UHF
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136–174MHz
450-470MHz
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Number of channels
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256 channels/ 32 zones
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Channel spacing
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12.5kHz
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PLL channel step
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2.5kHz
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Fusing
Main power cable
Fans
Radio
Amplifier
Dimensions:
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50A
2 A
20A
25 A
14.25" (L) × 9.0" (W) × 5.4" (H)
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Operating temperature range
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–10°C to +50°C;
+14°F to +122°F
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Operating voltage
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13.8V DC ± 10%
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Current drain (at 13.8V DC)
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Antenna impedance
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50Ω
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Dimensions (WxHxD)
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410 ×110 ×360 mm;
165⁄32 × 411⁄32
× 143⁄16 in
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Duty cycle
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30% (per EIA/TIA-603C)
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Cooling
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Forced air (2 thermostatically controlled cooling fans)
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Operating humidity
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0% to 85% RH (Non-condensing)
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Storage humidity
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0% to 95% RH (Non-condensing)
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Receiver
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Sensitivity
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0.25μV typ. (at 12dB SINAD)
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Adjacent channel selectivity
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80dB (wide) 75dB (narrow)
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Spurious response
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80dB
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Squelch sensitivity
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0.25μV typ.
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Intermodulation rejection ratio
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77dB (wide) 75dB (narrow)
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Audio output power
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4W typ.
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External speaker connector
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2-conductor 3.5 (d) mm (1⁄8″)/4Ω
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External audio
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22W typ. (at 10% distortion w⁄ 4Ω
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Hum and noise ratio
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50/45dB typ. (Wide/Narrow)
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