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

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Document ID	1505159
Application ID	8+LaDSeFapooSEbS9HWy/A==
Document Description	USERS MANUAL
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	8.84kB (110495 bits)
Date Submitted	2011-07-20 00:00:00
Date Available	2011-07-20 00:00:00
Creation Date	2011-07-15 08:32:24
Producing Software	Adobe Mac PDF Plug-in
Document Lastmod	2011-07-15 16:32:33
Document Title	Microsoft Word - User Manual.doc
Document Creator	Microsoft Word
Document Author:	Terry Yang

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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