Syn-Tech III P25 Portable Radio

OPERATION MANUAL

8.1Receiver 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 *

± 2.5 ppm

± 1.5 ppm

(-30°C / +60°C; 25°C ref)

 

 

Analog Sensitivity *

 

 

12 dB SINAD

-119 dBm

-118 dBm

Digital Sensitivity **

 

 

5% BER

-120 dBm

-119 dBm

1% BER

-117 dBm

-116 dBm

Adjacent Channel Rejection

 

 

Analog 25 kHz channel *

≥ 73 dB

≥ 70 dB

Analog 12.5 kHz channel *

≥ 63 dB

≥ 60 dB

Digital 12.5 kHz channel **

≥ 63 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 kanal **

≥ 48 dB

≥ 42 dB

≥ 42 dB

≥ 36 dB

≥ 50 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.

61

680-090-2041 Version 5.0

http://www.midlandradio.com

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Midland Radio P25 operation manual Vhf Uhf