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Red polycarbonate call button, sealed enclosure, internal antenna

Ritron

Ritron RQA-451 Wireless Call Button UHF 77 channels 120 mW

SKU CH-MGAW-58GT1

A wireless UHF call button with 77 programmable channels and 120 mW output for up to 7000 transmissions

  • Wireless call button covers 1/4 mile range with 120 mW output
  • 77 programmable UHF channels avoid interference for clear communication
  • Voice storage records messages when no one answers immediately
  • Up to 7000 transmissions from six AA alkaline batteries
  • Sealed polycarbonate enclosure protects button from weather and dust

Product Identity

The Ritron RQA-451 is a wireless call button designed for UHF two-way radio systems. It provides a single-button alert function for staff or visitors in commercial and industrial settings. The sealed polycarbonate enclosure houses an internal antenna and voice storage capability for reliable operation.

Critical Specification

The device operates on UHF band with 77 programmable channels and a fixed output of 120 mW. It offers an operating range of 1/4 mile and is powered by six AA alkaline batteries, which are not included, delivering up to 7000 transmissions per set.

Fit and Alternatives

This unit suits facilities needing a simple, battery-powered call point that pairs with existing UHF radios on one of 154 available codes. Buyers who need multiple buttons, external channel selection, or a mains-powered desk unit should look at other configurations.

Highlights

  • Wireless call button covers 1/4 mile range with 120 mW output
  • 77 programmable UHF channels avoid interference for clear communication
  • Voice storage records messages when no one answers immediately
  • Up to 7000 transmissions from six AA alkaline batteries
  • Sealed polycarbonate enclosure protects button from weather and dust

Specifications

BrandRITRON

Questions about this item

How far will the 120 mW signal reach inside a building?

The rated open-area range is 1/4 mile; inside a building walls and obstacles will reduce the practical distance considerably.

What does the 77-channel UHF capability actually let me do?

You can program any of the 77 UHF channels to match your existing radios, avoiding interference from nearby users on the same band.

Will the 5 by 7 3/5 by 2 1/10 inch polycarbonate housing fit a standard single-gang wall box?

The enclosure is larger than a single-gang box and is designed for surface mounting with its own sealed bracket and button assembly.

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