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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