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Syn-Tech III P25 Mobile Radio
OPERATION MANUAL
680-090-2041
Version 5.0
http://www.midlandradio.com
60
8.1 Receiver Technical Specifications
RECEIVER SPECIFICATIONS
VHF UHF
Frequency Range 136-174 MHz 380-470 MHz
Frequency Separation Full Bandsplit Full Bandsplit
Channel Spacing 12.5 / 20 / 25 / 30 kHz 12.5 / 20 / 25 / 30 kHz
Frequency Step 2.5 / 3.125 kHz 2.5 / 3.125 kHz
Rated Audio Output Power * 7.5 W / 8 Ω 7.5 W / 8 Ω
Frequency Stability *
(-30°C / +60°C; 25°C ref)
± 2.5 ppm ± 1.5 ppm
Analog Sensitivity *
12 dB SINAD
Digital Sensitivity **
5% BER
1% BER
≤ -119 dBm
≤ -120 dBm
≤ -117 dBm
≤ -118 dBm
≤ -119 dBm
≤ -116 dBm
Adjacent Channel Rejection
Analog 25 kHz channel *
Analog 12.5 kHz channel *
Digital 12.5 kHz channel **
≥ 75 dB
≥ 63 dB
≥ 63 dB
≥ 75 dB
≥ 63 dB
≥ 63 dB
Intermodulation Rejection * ≥ 75 dB ≥ 75 dB
Spurious Response Rejection* ≥ 85 dB ≥ 85 dB
Hum and Noise Ratio
Analog 25 kHz channel *
Analog 12.5 kHz channel *
Digital 12.5 kHz channel **
≥ 48 dB
≥ 42 dB
≥ 50 dB
≥ 42 dB
≥ 36 dB
≥ 50 dB
Audio Distortion * ≤ 3 % ≤ 3 %
* Measured in the analog mode per EIA-603 under nominal conditions.
** Measured in the digital mode per TIA-102.CAAA under nominal conditions.