User's Manual

MT-4E VHF & UHF Receiver & Transmitter Instruction Manual
IM08-MT-4E-TXRX-P1162
Specication Data Sheets
47
700 / 800 MHZ RECEIVER
PERFORMANCE SPECIFICATIONS
General
Frequency Range: 768–776 MHz, 798–824 MHz, 851–869 MHz
Channel Spacing: 12.5 and 25 kHz
Channel Selection: 6.25 kHz
Number of Channels: Preset capability for 2 banks of 16 channels
Channel Switching Range: unlimited
Compatibility: MT-3 and MT-4 Series Radio Systems; P25 interoperable*
System Impedance: 50 Ω (Type-N connector)
Frequency Generation: Internal Synthesizer
IF Frequency 73.35 MHz
Reference Sensitivity: ≤ -116 dBm (0.35 uV) for 12 dB SINAD
≤ -116 dBm (0.35 uV) for 5 % BER*
Local Oscillator Frequency Stability: ± 0.15 ppm
Adjacent Channel Rejection (Selectivity): Class B:
≥ 40 dB; Narrow Band Analog
≥ 70 dB; Wide Band Analog
≥ 60 dB; Digital*
Intermodulation Rejection: Class B:
≥ 70 dB; Narrow Band and Wide Band Analog
≥ 70 dB; Digital*
Spurious Response Rejection: Class B:
≥ 70 dB; Narrow Band and Wide Band Analog
≥ 70 dB; Digital*
Conducted Spurious Output Power: ≥ 80 dBm
Hum and Noise Ratio: ≥ 31 dB; Narrow Band Analog
≥ 37 dB; Wide Band Analog
Audio Output: 600 Ω balanced line output (congurable for unbalanced line);
De-emphasis or Flat output, +3 dBm maximum level
Audio Distortion: ≤ 3.0% (25°C); ≤ 5.0% (-30˚C to +60˚C)
Front Panel Controls: Receiver Power On (Norm) / Off
Squelch Disable (Push button)
Analog and Digital Receive LED indicators
COR Interface: 150 mA, 50 V open drain power MOSFET
Supply Voltage: +13.8 VDC Nominal (range +10 to +17 VDC) †
+9.5 VDC Regulated
Supply Current: Class B:
< 200 mA
Operating Temperature Range: -30°C to +60°C
Operating Humidity: 95% RH (non-condensing) at +25°C
CTCSS Decode: Programmable to any of 42 CTCSS tones
* P25 Digital specications are applicable only for modules with the P25 Digital rmware upgrade.
† For GSA BPA Contract: GSC-TFMG-BPA-09-002 the following specications apply:
Supply Voltage range: +10 to +18 VDC