MT-4E VHF & UHF Receiver & Transmitter Instruction Manual
IM08-MT-4E-TXRX-P1162
Specification Data Sheets
43
vHF and uHF tRanSMIttER
PERFoRManCE SPECIFICatIonS
NOTE:
380–406 MHz Transmitter specifications are not included in these VHF / UHF transmitter
specifications; see the separate 380–406 MHz transmitter specifications following.
General
Frequency Range:
136–174 MHz, 406–470 MHz, 470–520 MHz
Carrier Frequency Stability:
± 1.0 ppm (VHF) / ± 0.5 ppm (UHF)
Channel Spacing:
12.5, 15, 25 and 30 kHz
Channel Selection:
VHF: 2.5 kHz, 5.0 kHz and 6.25 kHz
UHF: 6.25 kHz
Number of Channels:
Preset capability for 2 banks of 16 channels
Compatibility:
MT-3 and MT-4 Series Radio Systems; P25 interoperable*
RF Output Power:
0.5 to 8.0W Continuous
Emission Designators:
Analog: 11K0F3E (Narrow band); 16K0F3E (Wide band)
Digital Paging: 9K2F1D
P25 Digital: 8K10F1E (Digital Voice); 8K10F1D (Digital Data)*
System Impedance:
50 Ω; Type-N connector
Duty Cycle:
100%; Continuous operation
Undesired Emissions:
(Adjacent Channel Power Ratio)
< -70 dBc, Analog
< -70 dBc, Digital*
Undesired Emissions:
(Conducted Spurious)
< -70 dBc @ 8.0 W RF Output
Intermodulation Attenuation:
≥ 45 dB Analog
≥ 45 dB Digital*
VSWR Protection:
< 20:1 VSWR at all phase angles
Operating Temperature Range:
-30˚C to +60˚C
Operating Humidity:
95% RH (non-condensing) at +25°C
Operating Voltage:
+13.8 VDC Nominal (range +10 to +17 VDC) †
+9.5 VDC Regulated
Transmit Current:
< 1.7A @ 2.0 W RF Output
< 2.8A @ 8.0 W RF Output
Stand By Current:
<50 mA (no encryption installed)
<80 mA (with encryption modules installed)
Front Panel Controls:
Transmitter Power On (Norm) / Off / Key Tx
Mic Mode: Analog / Digital
Analog and Digital Transmit LED indicators
PTT Time-Out-Timer:
Programmable from 15 to 465 sec. (in increments of 15 sec.,
±
5 sec.) or
infinity (default 300 sec.) using Radio Service Software.
Audio Input:
600 Ω balanced or unbalanced input
(600 Ω or 15k Ω selectable input impedance)
Audio Frequency Response:
Pre-emphasis; +1, -3 dB (300 to 3000 Hz)
* P25 Digital specifications are applicable only for modules with the P25 Digital firmware upgrade.
†
For GSA BPA Contract: GSC-TFMG-BPA-09-002 the following specifications apply:
Supply Voltage range: +10 to +18 VDC
