User's Manual

TECHNICAL CHARACTERISTICS
Specification Characteristic
Product Model Number: T4000 RF Module
Physical Dimensions: Approx. (L) 5.1" x (W) 2.1" x (H) 0.85"
Operating Temperature Range: -30° C to +60° C
Power Requirement:
Voltage: 7.8 VDC ± 15%
Current: 325 mA minimum / 2.4A maximum
Audio Output Power:
500 mW into 600
Ω
FCC ID: IMA-T4000
IC: 120A-T4000
1 to 6 Watts (VHF)
1 to 5 Watts (UHF)
1 to 2.5 Watts (700 MHz)
RF Output Power:
1 to 3 Watts (800 MHz)
Frequency Range
VHF Band: 136-174 MHz TX
136-174 MHz RX
UHF Band: 380-520 MHz TX
380-520 MHz RX
700 MHz Band: 769-775, 799-805 MHz TX
764-776 MHz RX
800 MHz Band: 806-824, 851-869 MHz TX
851-870 RX
No. of channels per band: 3000 pre-programmable channels
Transmitter Section VHF UHF 700 800
FM Hum and noise in dB (Narrowband): -51 -47 -47 -46
Audio Distortion: 1% 1% 1% 1%
Frequency Stability in ppm: ±1.0 ±1.0 ±1.0 ±1.0
Modulation Limiting: ±2.5kHz ±2.5kHz ±2.5kHz ±2.5kHz
Receiver Section VHF UHF 700 800
Sensitivity in uV:
*Digital 1% BER (12.5kHz) 0.25 0.30 0.32 0.32
*Digital 5% BER (12.5kHz) 0.15 0.16 0.22 0.22
**Analog with 12dB SINAD 0.25 0.25 0.35 0.30
Selectivity in dB:
25 kHz Channel 82 80 79 78
12.5 kHz Channel 77 74 72 72
Intermodulation * ** 82 80 81 80
*Measured in digital mode per TIA / EIA IS 102.CAAA under nominal conditions.
** Measured in analog mode per TIA / EIA 603 under nominal conditions.