Product Description
On-Site Communications: Provides
clear, reliable communications for
settings such as golf courses,
warehouses, office buildings, factories,
colleges, and universities.
Community Repeater: Each channel
provides for quick and reliable decodes
for up to 64 users with 50 CTCSS and
112 DCS codes available.
Trunking Systems: Excellent choice
for interfacing LTR® and Passport®
trunking controllers.
External Peripherals: Easily connects
to your favorite telephone interconnects,
DC remotes, external tone panels, and all
sorts of signaling products.
Amateur Repeater: Both the VHF and
UHF versions operate in their respective
amateur region of the spectrum.
Link-Radio Ready: Connect a "Link-
Radio" to the repeater for cross-band
applications and interoperability.
GMRS Ready: Add a tuned internal
duplexer and everything is set to put a
GMRS repeater on the air.
Feature Rich Base Station: 16 full-
duplex channels that can support up to
64 users per channel.
Customizable: The CS-540 uses Flash
Memory which permits updates. If you
have a need that is not mentioned here,
let us know and we’ll see if we can make
your idea a reality!
Built-In 10A Power Supply: No need for
purchasing a power supply. It’s included!
Battery Backup with Built-in Charging
Circuit: Automatically switches to
external battery when AC-Line fails.
Charging circuit keeps battery fully
charged. Battery not supplied.
13.8 Volts Output: Perfect for powering
peripherals requiring high current and
saving valuable site resources.
Dual Cooling Fans: Programmable
operation TX only or continuous operation.
Front Panel Speaker: Ideal for
monitoring the channel.
External Speaker Out: Connect an
external speaker for 10 Watts output into
an 8Ω load. Great for routing received
audio to another room.
25-pin Accessory Connector: All the
signals are here to connect the CS-540 to
just about anything:
RX Discriminator Out
External PTT In
TX Audio In
Broadband Audio In
+13.8V Out (1A Max)
COS Output
Multipurpose I/O
Keypad Lock: Prevent tampering when
repeater is in service at site.
Excellent Receiver Sensitivity of 0.25µV
Channel Spacing: 12.5 kHz/25 kHz
Built-In LTR Decoder: Decodes and
displays ID and Home channel of call
being repeated.
Transmitter Fine-Tune Alignment from
Front Panel:
Mic Gain
Sub Audible Deviation
Overall TX Deviation
TX Frequency
TX Power
Over-the-Air Programming and
Maintenance via DTMF Tone
Sequences: For example, add a new user
or deactivate a non-paying customer.
Saves costly trips to the site.
Composite Input: Ideal for handling
external peripherals that mix sub-audible
and voice information.
TX Timeout Timer: Limit TX time to
protect against ’stuck mic’ situations.
Per User Features:
Air Time Logging
Courtesy Tone (0, 500, 1000, 1500)
TX Hang Timer
Tone-In-Tail Selectable*
*Makes for quicker decodes
Built-in CWID: Programmable broadcast
interval and transmission rate (11 or 22
wpm).
CSQ Repeat: Channel can be set up to
repeat all incoming transmissions
regardless of signaling.
Feature-Rich Carrier Operated Switch (COS):
Dedicate one output pin of the accessory connector to
become a COS output. Select the COS to toggle based on
either carrier or valid signaling. Polarity of the output pin
can be either active high or active low. Also, COS can be
dedicated to operate for only one user!
100% LTR® Compatible and Lo-Speed Data Ready:
Compatible with your favorite LTR® trunking contoller.
The CS-540 provides DC-coupling from the receiver to the
controller and from the controller all the way to the RF
transmitter. No sub-audible signal degradation.
Transmitter-data ready in 24 ms after external PTT is
engaged.
Windows® Based Programmer: The CS-540 is setup
and programmed using the PGM-540 programming
software. No expensive programming box or cable
required! Uses an off-the-shelf DB9 male-female for the
programming cable. (Cable included with programming
software package.)
clear, reliable communications for
settings such as golf courses,
warehouses, office buildings, factories,
colleges, and universities.
Community Repeater: Each channel
provides for quick and reliable decodes
for up to 64 users with 50 CTCSS and
112 DCS codes available.
Trunking Systems: Excellent choice
for interfacing LTR® and Passport®
trunking controllers.
External Peripherals: Easily connects
to your favorite telephone interconnects,
DC remotes, external tone panels, and all
sorts of signaling products.
Amateur Repeater: Both the VHF and
UHF versions operate in their respective
amateur region of the spectrum.
Link-Radio Ready: Connect a "Link-
Radio" to the repeater for cross-band
applications and interoperability.
GMRS Ready: Add a tuned internal
duplexer and everything is set to put a
GMRS repeater on the air.
Feature Rich Base Station: 16 full-
duplex channels that can support up to
64 users per channel.
Customizable: The CS-540 uses Flash
Memory which permits updates. If you
have a need that is not mentioned here,
let us know and we’ll see if we can make
your idea a reality!
Built-In 10A Power Supply: No need for
purchasing a power supply. It’s included!
Battery Backup with Built-in Charging
Circuit: Automatically switches to
external battery when AC-Line fails.
Charging circuit keeps battery fully
charged. Battery not supplied.
13.8 Volts Output: Perfect for powering
peripherals requiring high current and
saving valuable site resources.
Dual Cooling Fans: Programmable
operation TX only or continuous operation.
Front Panel Speaker: Ideal for
monitoring the channel.
External Speaker Out: Connect an
external speaker for 10 Watts output into
an 8Ω load. Great for routing received
audio to another room.
25-pin Accessory Connector: All the
signals are here to connect the CS-540 to
just about anything:
RX Discriminator Out
External PTT In
TX Audio In
Broadband Audio In
+13.8V Out (1A Max)
COS Output
Multipurpose I/O
Keypad Lock: Prevent tampering when
repeater is in service at site.
Excellent Receiver Sensitivity of 0.25µV
Channel Spacing: 12.5 kHz/25 kHz
Built-In LTR Decoder: Decodes and
displays ID and Home channel of call
being repeated.
Transmitter Fine-Tune Alignment from
Front Panel:
Mic Gain
Sub Audible Deviation
Overall TX Deviation
TX Frequency
TX Power
Over-the-Air Programming and
Maintenance via DTMF Tone
Sequences: For example, add a new user
or deactivate a non-paying customer.
Saves costly trips to the site.
Composite Input: Ideal for handling
external peripherals that mix sub-audible
and voice information.
TX Timeout Timer: Limit TX time to
protect against ’stuck mic’ situations.
Per User Features:
Air Time Logging
Courtesy Tone (0, 500, 1000, 1500)
TX Hang Timer
Tone-In-Tail Selectable*
*Makes for quicker decodes
Built-in CWID: Programmable broadcast
interval and transmission rate (11 or 22
wpm).
CSQ Repeat: Channel can be set up to
repeat all incoming transmissions
regardless of signaling.
Feature-Rich Carrier Operated Switch (COS):
Dedicate one output pin of the accessory connector to
become a COS output. Select the COS to toggle based on
either carrier or valid signaling. Polarity of the output pin
can be either active high or active low. Also, COS can be
dedicated to operate for only one user!
100% LTR® Compatible and Lo-Speed Data Ready:
Compatible with your favorite LTR® trunking contoller.
The CS-540 provides DC-coupling from the receiver to the
controller and from the controller all the way to the RF
transmitter. No sub-audible signal degradation.
Transmitter-data ready in 24 ms after external PTT is
engaged.
Windows® Based Programmer: The CS-540 is setup
and programmed using the PGM-540 programming
software. No expensive programming box or cable
required! Uses an off-the-shelf DB9 male-female for the
programming cable. (Cable included with programming
software package.)
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