User's Manual

DVRS Vehicular Repeater System
Futurecom Systems Group Inc.DVRS Users Manual 8A083X02_VHF_Rev2_3.DOC Rev. PreliminaryPage 12
APPENDIX 1
General Specifications
Dimensions Height / Width / Depth 92mm (3.63”) / 186mm (7.32”) / 315mm ( 12.41”)
Weight 5.2 kg (11.5 lbs) approx.
Channel Spacing 12.5 kHz or 25 kHz
Analog Voice or P25 Modulation
Power Supply
13.8 VDC ± 20%, negative ground only
DC Current Drain Repeater OFF
RPTR Standby
Receive
Transmit
Max. 0.01 A
Max. 0.8 A
Max 1.7 A @ 7.5 W Audio @ 13.8 VDC
Max. 6.0 A @ 20 W RF output at TX Connector
Operating Temperature -30°C to +60°C
Protection Against Liquids IP6 (water jet proof)
RF Connector Impedance 50 Ohms
Duty Cycle 50% TX – 50% RX
External Connectors
RF Connectors
Computer Interface
Mobile Radio
DC Power
TNC female
USB, 9 pin male circular
20 pin male circular
6 pin male circular
Power Output at TX Connector 20 W Max. (programmable per channel from 1 W
Min.)
CCT Option 15 sec to 15 min. or disabled
Carrier Frequency Stability
12.5kHz Channel Spacing
25kHz Channel Spacing
± 1.5 ppm, from –30° to +60°C, ambient +25°C
reference
± 2.5 ppm, from –30° to +60°C, ambient +25°C
reference
Audio Distortion <2%
Frequency Band (TX and RX) 136 - 174 MHz
Applicable Standards
Test
MIL-STD 810C,D,E,F For rain, dust and salt atmospheres
MIL-STD 810C,D,E,F For shock and vibration