Receiver specifications, Ansmitting emergency calls – Midland Radio SYN-TECH III P25 User Manual
Page 73

Syn-Tech III P25 Portable Radio
OPERATION MANUAL
680-090-2040 
Version 6.0 
http://www.midlandradio.com
65
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
2.5 / 3.125 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.
