AOR ARD25 Digital to Analog Conversion Unit
AOR has created an APCO
25 digital decoder for use
Decode
APCO 25
Digital Signals
with an Analog Receiver!
with receivers that have a
10.7 MHz IF output!
It’s true! Now you can receive standard
(unencrypted) APCO Project 25 digital
signals using an ordinary analog receiver
that has a 10.7 MHz IF output. The ARD25
processes the 10.7 MHz signal, converts
the digital transmission and sends it to the
internal speaker, or
your station speaker.
Simply connect the
ARD25 and begin
listening to APCO 25
digital signals your
analog receiver could
not previously process.
• Easy to connect — easy to operate
Many high quality receivers were “left behind”
when some public agencies began to use APCO
Project 25 digital modulation. If your receiver has a
10.7 MHz output port, the ARD25 can translate
those digital signals to intelligible audio. In
addition, you can also channel your receiver’s
analog output through the ARD25. It will
• Add “new life” to your existing
receiver
• Compact size
• No receiver modifications needed
• Lets analog signals pass through
• Data output through RS 232C
serial port
Receivers that can use the ARD25 include the
AOR AR-ONE, the AR8600 series and AR5000
series, as well as other receivers and monitors
that have a 10.7 MHz IF output port.
automatically recognize analog signals and pass
The ARD25 is yet another
them to the ARD25 internal speaker or to
an external station speaker.
The Serious Choice in Advanced
Technology Receivers
TM
breakthrough product from
AOR, the Authority on Radio
Some words of caution — The ARD25 is not effective on
systems that use encryption or digital modulation other
than APCO Project 25. It cannot translate signals from
receivers that do not have a 10.7 MHz IF output, as the full
channel bandwidth is needed to convert the signal from
digital to analog. The ARD25 does not add trunking
capabilities to your receiver. Some jurisdictions may limit
the use of devices such as the ARD25.
TM
AOR ARD25 Digital
to Analog
Conversion Unit
SPECIFICATIONS
Input signal: 10.7MHz IF
Impedance: 50 ohms
Input level: More than -105dBm
Receive modes: APCO Project 25 digital voice signal
Off frequency adjustment: Automatic (AFC)
Signal modulation: ± 20% from the specifications
Squelch: Level squelch (Analog mode),
Power requirement: 11 - 16 V DC, 140 mA
Serial port: RS-232C 9600bps Asynchronous,
Speaker input connector: 3.5 mm mono
External Speaker output: 3.5 mm mono (signal output is mono)
Headphone jack: 3.5 mm stereo type
Weight: Approximately 580 g (1.3lb)
Dimensions: 156 (d) x 100 (w) x 32 (h) (mm)
Standard accessories: 120 V AC adapter, BNC patch cable,
Use of the ARD25 may be restricted in some jurisdictions. Signal conditions vary greatly,
as such; no warranty can be made on how the ARD25 will perform in every
circumstance.
(Non encrypted signal only)
Analog Narrow FM signal
(Automatic adjustment)
adjustable squelch level
(at 12 V DC) typical
8 bit, Non parity, 1 stop bit
(signal output is mono)
6.15 (d) x 4 (w) x 1.3 (h) (inches)
Projections not included
speaker cable, instruction manual
The ARD25 adds new dimension to
your quality analog receiver. You
can now monitor standard
(unencrypted) APCO Project 25
signals with simple connections
and no modifications to
your receiver!
AOR, LTD.
2-6-4 Misuji, Taito-ku, Tokyo 111-0055, Japan
Tel: +81 3 3865 1695 Fax: +81 3 3865 1697
post@aorja.com http://www.aorja.com
AOR U.S.A., Inc.
20655 S. Western Ave., Suite 112, Torrance, CA 90501, USA
Tel: 310-787-8615 Fax: 310-787-8619
info@aorusa.com http://www.aorusa.com
AOR (UK) Ltd. AOR Manufacturing Ltd.
4E East Mill, Bridgefoot, Belper, Derbys DE56 2UA, England
Tel: +44 1773 880788 Fax: +44 1773 880780
info@aor.co.uk www.aoruk.com
Specifications subject to change without notice or obligation.
Printed in USA
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