User Manual
DTC COMMUNICATIONS, INC.
7
SPECIFICATIONS
Specifications for the body worn VBS/VBL-250
Power Supply Internal batteries 4 “AA” batteries or external 9-16 VDC.
Power Consumption 2.5 Watts (not including camera)
Battery life 3 hours - Alkaline AA
Reverse polarity
protection Yes
Dimensions 2.5 x 4.5 x 0.675”
Camera Power Using external power input: Same as supply voltage,
switched (200 mA max)
Using internal batteries: 5 VDC @ 175 mA, switched
(internal regulator)
Controls 10 channel select rotary switch
Panel mounted, slide ON/OFF switch
Connectors 2 pin Lemo: Mic 1
2 pin Lemo: Mic 2
SMA: Antenna
6 pin Multi I/O: Video in, Data in, DC input 9 -16 VDC,
camera power, Remote ON/OFF, Multiplexed Data out,
Ground
Programmability Video: 2400 - 2500 MHz (VBS-250)
1700 - 1850 MHz (VBL-250)
250 KHz resolution steps
Audio: User programmable from 6.0 - 7.5 MHz, in
10 kHz steps
Chassis notes Machined solid aluminum with rounded edges.
Audio
General Mic level input (line level factory opt.) 50 - 3000 Hz
Phased locked with AGC on both inputs. Sub-carrier auto
sensing, only active when microphone is attached.
Number of sub-carriers 2
Sub-carriers frequencies 6.0 - 7.5 MHz , user programmable
Four lithium “AA” batteries
FRONT PATCH
ANTENNA
BACK PATCH
ANTENNA
SPLITTER
CAMERA
MICROPHONES
TRANSMITTER