Northfield Telecommunications d b a Advanced Wireless Communications AWR520V2 WIRELESS TRANSMIT & RECEIVE DEVICE MODULE User Manual

Northfield Telecommunications, Inc. d/b/a Advanced Wireless Communications WIRELESS TRANSMIT & RECEIVE DEVICE MODULE

Contents

USERS MANUAL

User Manual
Installation
Fixed on the board location)
(Fixed Sample)
The module was fixed on the mainboard by four screws, such as the sample photo.
Specification:
UHF 450-470Mhz
Screw antenna connection.
2/0.25 watt output power, Hi/low selectable per channel through PC programming.
CTCSS
DCS
Companding ON/OFF through programming.
8 channels selectable via 4 logic pins.
Voice/data selectable through programming.
Audio output (voice/data).
Audio input (voice/data).
12.5 channel spacing.
Ability to program radio from our Broadcaster or Instant Assistant product. It would be
necessary for Alltronics to provide us with the command strings and protocol.
Transmitter to be suitable for voice and POCSAG. (1200 bps Alphanumeric.)
In standby mode:
o When turned on, the transmitter and receiver will work.
o When turn off, either the receiver or transmitter will work depending on programming.
o LD-520P is a simplex-system radio. Must be repeater compatible.
o Choose ON/OFF by sending command.
RS232 data interface for programming.
Transmite Current no more than 1200mAh
Work Volts 7.5V
FCC Note:
The module is for fixed or mobile use only and cannot be used for portable use.
The antenna(s) used for this transmitter must be installed to provide a separation distance of
at least 20 cm from all persons and must not be co-located or operating in conjunction with
any other antenna or transmitter. Licensing for Part 90 use must be addressed in the manual.

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