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
