User Manual

DTC COMMUNICATIONS, INC.

SPECIFICATIONS

Specifications for the Module (VBS/VBL-250)

Power Supply Internal batteries 4 “AA”lithium batteries or external 9-16Vdc.

Power Consumption 2.5 Watts (not including camera)

Battery life 3 hours

Reverse polarity

protection yes

Dimensions 2.5x4.5x0.675”

Camera Power Using external power input: Same as supply voltage,

switched (200mA max)

Using internal batteries: 5Vdc@175mA,switched (internal

regulator)

Controls 10 channel select rotary switch

Panel mounted, slide ON/OFF switch

VMx -2000 2 Watt Unit only

Connectors 2 pin Lemo: Mic 1

2 pin Lemo: Mic 2

SMA: Antenna

6 pin Multi I/O: Video in, Data in, DC input 9-16Vdc,

camera power, Remote ON/OFF, Multiplexed Data out,

Ground

Programmability Video: 2400-2500MHz (VBS-250)

1700-1850MHz (VBL-250)

250KHz resolution steps

Audio: User programmable from 6.0-7.5 MHz, in

10kHz steps

Chassis notes Machined solid aluminum with rounded edges.

Audio

General Mic level input (line level factory opt.) 50-3000Hz

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 6.0-7.5MHz , user programmable