Northfield Telecommunications LD-520 P two-way radio User Manual

Below you will find brief information for two-way radio LD-520 P. The LD-520P is a simplex-system radio, operating in the UHF 450-470Mhz band. It features 2/0.25 watt output power with selectable Hi/low per channel through PC programming. The radio has 8 channels selectable via 4 logic pins and supports both voice and data transmission with CTCSS and DCS. The LD-520P can be programmed from Alltronics Broadcaster or Instant Assistant product. It is compatible with repeaters. You can turn off the receiver or transmitter in standby mode by sending a command. The radio features a RS232 data interface for programming and can be used for fixed or mobile applications.

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LD-520 P User Manual | Manualzz

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Key features

  • UHF 450-470Mhz operation
  • 2/0.25 watt output power, selectable
  • CTCSS and DCS support
  • Companding ON/OFF through programming
  • 8 channels selectable via 4 logic pins
  • Voice/data selectable
  • 12.5 channel spacing
  • RS232 data interface for programming
  • Repeater compatible

Frequently asked questions

The LD-520P operates on the UHF 450-470Mhz band.

Yes, the LD-520P supports both voice and data communication, selectable through programming.

The LD-520P supports up to 8 channels, selectable via 4 logic pins.

The LD-520P can be programmed using a PC via its RS232 data interface.

Yes, the LD-520P is repeater compatible.
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