User's Manual
Table Of Contents
- General Information
- Radio Service Software Programming
- Radio System Configurations
- VHF & UHF Receivers and Transmitters
- VHF & UHF Hardware Tuning and Troubleshooting
- VHF and UHF Parts List
- VHF / UHF Receiver Electrical Parts List
- VHF / UHF Receiver Mechanical Parts List
- VHF / UHF Receiver P25 Digital Firmware
- VHF / UHF Receiver and Transmitter Encryption
- VHF / UHF Receiver and Transmitter RSS
- VHF / UHF Transmitter Electrical Parts List
- VHF / UHF Transmitter Mechanical Parts List
- VHF / UHF Transmitter P25 Digital Firmware
MT-4E VHF & UHF Receiver & Transmitter Instruction Manual
IM08-MT-4E-TXRX-P1162
Specication Data Sheets
41
430–450 MHZ RECEIVER
PERFORMANCE SPECIFICATIONS
General
Frequency Range: 430–450 MHz
Channel Spacing: 12.5, 15, 25 and 30 kHz
Channel Selection: 6.25 kHz
Number of Channels: Preset capability for 2 banks of 16 channels
Channel Switching Range: ± 2.0 MHz
Compatibility: MT-3 and MT-4 Series Radio Systems; P25 interoperable*
System Impedance: 50 Ω (Type-N connector)
Frequency Generation: Internal Synthesizer
Reference Sensitivity: ≤-116 dBm (0.35uV) for 12 dB SINAD
≤-116 dBm (0.35uV) for 5% BER
Local Oscillator Frequency Stability: ± 0.5 ppm
Adjacent Channel Rejection (Selectivity): ≥ 45 dB; Narrow Band Analog
≥ 75 dB; Wide Band Analog
≥ 60 dB; Digital*
Intermodulation Rejection: ≥ 75 dB; Narrow Band and Wide Band Analog
≥ 80 dB; Digital*
Spurious Response Rejection: ≥ 75 dB; Narrow Band and Wide Band Analog
≥ 90 dB; Digital*
Conducted Spurious Output Power: ≤ -95 dBm
Hum and Noise Ratio: ≥ 34 dB; Narrow Band Analog
≥ 40 dB; Wide Band Analog
Audio Output: 600 Ω balanced line output (congurable for unbalanced line);
De-emphasis or Flat output, +3 dBm maximum level
Audio Distortion: Analog: ≤ 2.0% (25°C); ≤ 3.0% (-30˚C to +60˚C)
Digital as per TIA / EIA 102.CAAB*
Front Panel Controls: Receiver Power On (Norm) / Off
Squelch Disable (Push button)
Analog and Digital Receive LED indicators
COR Interface: 150 mA, 50V open drain power MOSFET
Supply Voltage: +13.8 VDC Nominal (range +10 to +17 VDC) †
+9.5 VDC Regulated
Supply Current: < 270 mA; with no encryption module installed
< 300 mA; with encryption module installed
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
DCS Decode: Programmable to any of 83 DCS sequences. Normal or inverted
DCS can be selected.
IC Certication No.: n/a
FCC ID: n/a - Declaration of Conformity (DOC)
* P25 Digital specications are applicable only for modules with the P25 Digital rmware upgrade.
† For GSA BPA Contract: GSC-TFMG-BPA-09-002 the following specications apply:
Supply Voltage range: +10 to +18 VDC