VHF/MURS/UHF/GRMS/FRS Radio to PA Bridge

The Wireless PA Bridge Receiver enables communication between two-way radios or base station intercoms and an existing wired PA/intercom system. This allows users to broadcast announcements through all connected speakers without additional wiring, providing a cost-effective solution for facility-wide communication.

Key Features & Benefits

• Expand Your PA System Wirelessly – Integrates with wired PA systems, allowing voice messages from two-way radios to be broadcast facility-wide.
• Long-Range Wireless Connectivity – Receives transmissions from up to one mile away (range can be extended with an external antenna).
• Compatible with Multiple Radio Systems – Available in Analog and DMR Digital VHF (150-162 MHz) and UHF (450-470 MHz), supporting business band two-way radios, MURS, FRS, and GMRS radios.
• No Additional Audio Amplifier Required – Unlike standalone wireless PA systems, this bridge interfaces with your existing PA amplifier and wired speakers.
• Advanced Access Control – Selective decode signaling supports Quiet Call (CTCSS), Digital Quiet Call (DCS), 2-Tone Paging, Selcall, and DMR Digital Unit/Group Calls to restrict unauthorized broadcasts.
• Feedback Prevention with Record & Play – Stores messages up to 24 seconds before broadcasting, eliminating feedback when broadcasting near PA speakers.
• Flexible Installation Options – Connects to the AUX input (RCA Phono Cable) if within 6 feet or to the 600-ohm balanced MIC input for longer distances.
• Programmable Volume Control – Adjustable audio output from 5% to 99% to suit different environments.
• Pre-Announce Tone & NOAA Weather Alerts – Configurable alert tones and automatic emergency weather updates (VHF models only).
• Trigger-Based Announcements – Can play a 6-second pre-recorded message when a switch closure is detected (ideal for door switches, alarms, or other event-based triggers).
• Relay Switch for PA Priority Control – Activates "Priority," "Override," or "Emergency" input on the PA amplifier for urgent messages.

Real-World Application

A customer with three warehouses—only one equipped with a wired PA system—needed a cost-effective way to extend their paging system without running new cables. By installing our MURS Wireless PA System in the two additional warehouses and adding a Wireless PA Bridge to the wired PA system, we created a fully integrated communication network. Now, the receptionist can broadcast messages across all warehouses using a single push-to-talk button on their desktop radio.

Designed & Built in the USA

Ideal for warehouses, factories, schools, and large facilities, the Wireless PA Bridge ensures clear, instant, and reliable communication across your entire site—without the need for costly infrastructure upgrades.

Features:

• The Radio-To-PA System Bridge is designed to be connected to an existing PA/intercom system with its own PA amplifier and wired speakers.
• Does not include a back-up battery since it is merely a component of a larger system usually powered by AC and its own battery back-up system.
• Available in Analog and DMR Digital VHF (150-162 MHz) and UHF (450-470MHz) frequency bands. Provides compatibility with business band 2-way radios, License-FREE VHF business band radios (MURS), Family Radio Service and GMRS radios.
• Provides interconnection to the Public Address amplifier through a high impedance, unbalanced AUX input OR a 600O, balanced MIC input. Allows personnel to remain mobile while providing access via 2-way radios to existing PA speakers located throughout the facility.
• "Record and Play" allows use of radios in close proximity to PA speakers without feedback. The Radio-To-Intercom Bridge records/buffers received messages up to 24 seconds in length, then plays them over the PA immediately after releasing the PTT button on the radio.
• Easy "Plug and Play" installation.
• Programmable volume control adjusts audio output level 5-99%. Allows custom adjustment for most applications.
• Selective Decode Signaling Analog: 2-Tone, DTMF, Selcall (Group / All Call).
• Selective Decode Signaling DMR Digital: Individual Unit ID / Group Call / All Call to provide an added layer of access control to the PA system.
• Pre-announce tone (similar to existing PA systems) with programmable on/off and volume level.
• NOAA Weather Alert (VHF only).
• Can play a 6-second pre-recorded message when a switch closure is detected. Another 6-second message can play when the switch opens again.
• Field or PC programmable to frequencies within the respective band (i.e. VHF 150-165 MHz, UHF 450-470 MHz).
• The Radio-To-Intercom Bridge is for indoor use only.
• Designed and Made in the USA.