Holzberg Communications
Loading
P.O. Box 322 • Totowa, NJ 07511
Phone: 1-800-654-9550 •  973-389-9600
Fax: 973-389-9696
E-Mail: holzberg@juno.com  Web: www.holzberg.com

ComLink CS540U/V FM Communications System
with Duplexer

Repeater/Base Station Platform
(450-480 MHz(U) / 148-174 MHz (V))

cs540 repeater

Features

  • Programmable RF Power 0-40 Watts
  • 16 Channels - 12.5/25 kHz Channel Spacing
  • Built-in 10A Power Supply
  • 13.8 V Output, perfect for powering peripherals
  • Dual Cooling Fans - Programmable TX-only or continuous operation
  • Front-Panel Speaker
  • External Speaker Out - 10W output, 8 Ohm load - Great for routing received audio into another room.
  • 25 Pin Accessory Connector - can connect to:
    • RX Discriminator Out
    • External PTT In
    • TX Audio In
    • Broadband Audio In
    • +13.8V Out (1A Max)
    • COS Output
    • Multipurpose I/O
  • Keypad Lock
  • Excellent Receiver Sensitivity of 0.25 μV
  • Easy Windows Based Programmer using PGM-540 software.
  • 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 low.
    • COS can be dedicated to operate for only one user.
  • 100% LTR Coompatible and Lo-Speed Data Ready
    • Compatible with any LTR trunking controller.
    • Provides DC-coupling from receiver to controller to RF transmitter.
    • No sub-audible signal degredation.
    • Transmitter data ready in 24ms after external PTT is engaged.
  • Battery Backup w/ Built-In Charging Circuit -
      Automatically switches to external batt. when AC line fails.
      Charging circuit keeps battery charged. Battery not included.
  • 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.
      e.g., add new users or desctivate non-paying customers.
      Saves costly trips to the site
  • Composite Input - Ideal for handling external peripherals that mix sub-audible and voice information.
  • TX Timeout TImer - Limits 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 tranxmission rate (11 or 22 wpm)
  • CSQ Repeat - Channel can be set up to repeat all incoming transmissions, regardless of signaling.
  • Suitable to a variety of applications

Price: $2,265

Dealers - CALL for reseller pricing: 1-800-654-9550


Technical Specifications

General

  • Frequency Range*: 450-480 MHz(U) / 148-174 MHz (V)
  • Channel Capacity: 16
  • Channel Spacing: 5kHz/6.25kHz/Splinter
  • Current Drain: 10A Max
  • Operating Voltage: 11 VDC Min / 13.8 VDC Nominal / 15 VDC Max
  • Duty Cycle w/o Duplexer: TX: 100% Duty @ 33W output
  • Operating Temperature: -30° C to +60° C
  • Dimensions: 19.0" x 3.5" x 14.0" (482 x 89 x 356 mm)
  • Weight: 19.5 lbs (8.85 kg)
  • Frequency Stability: ± 1.0 ppm (U) / ± 2.5 ppm (V)
*Commercial frequency range listed; however; both VHF and UHF versions operate in their respective amateur frequency region of the spectrum.

Transmitter

  • RF Output (w/o Duplexer): 450-470 @ 0-40W, 471-480 @ 0-35W (U)
                                                        148-174 @ 0-40W (V)
  • Modulation Limiting: ± 5 kHz @ 25 kHz, ± 2.5 kHz @ 12.5 kHz
  • FM Hum & Noise: -42 dB @ 25 kHz, -36 dB @ 12.5 kHz
  • FM Modulation: 16KOF3E, 11KOF3E
  • Antenna Connector: N-Type
  • Antenna Impedance: 50 Ohms

Receiver

  • Local Oscillator: Low-side Injection (U) / High-side injection (V)
  • Sensitivity (12 dB SINAD): < 0.25 μV
  • Selectivity: 72 dB @ 25 kHz, 62 dB @ 12.5 kHz
  • Audio Distortion: 5% typical at rated audio (400mW)
  • Hum & Noise: -45 dB @ 25 kHz
  • Audio Power: 500 mW
  • Adjacent Channel Selectivity: 70 dB @ 25 kHz
  • Intermodulation Rejection: 72 dB
  • Spurious Response Rejection: 75 dB
  • Antenna Connector: N-Type
  • Antenna Impedance: 50 Ohms

Applications

  • On-Site Communication: Provides clear, reliable communication 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 various 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.