Operating instructions

Syn-Tech III P25 Portable Radio
OPERATION MANUAL
680-090-2040
Version 6.4
http://www.midlandradio.com
73
8.1 Receiver 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
5.0 / 6.25 kHz
Rated Audio Output Power *
500 mW / 8 Ω
500 mW / 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 **
≥ 73 dB
≥ 63 dB
≥ 63 dB
≥ 70 dB
≥ 60 dB
≥ 60 dB
Intermodulation Rejection *
≥ 73 dB
≥ 73 dB
Spurious Response Rejection*
≥ 73 dB
≥ 73 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.