Put Long-Range Wireless Communication Anywhere You Need It.
The Wireless Callbox delivers dependable wireless communication quickly for remote locations. This Wireless Callbox is the ideal solution. This small weatherproof device eliminates expensive trenching and complex wiring requirements. The Wireless Callbox operates with external power sources or durable alkaline batteries and installs through straightforward mounting and activation. This device enables communication with handheld radios or base stations within a one-mile radius which makes it ideal for large properties or construction sites.
The Wireless Callbox enables multiple control functions beyond simple communication. The built-in relay switch allows users to unlock gates from a distance and activate lights or other devices remotely. Certain radios with pre-programmed buttons provide secure remote access capabilities. The rugged construction allows dependable operation under severe conditions while maintaining tamper resistance and user-friendly operation.
This callbox remains your connection hub while providing pre-recorded message broadcasting capabilities and low battery alerts. Staff delivery alerts and secure entrance management along with environmental communications are all achieved by this callbox which operates without wiring complications.
Key Features:
- Long-Range Communication: Talk up to a mile, line-of-sight, or shorter distances without direct visibility.
- Remote Gate/Door Control: Open or secure gates with the push of a button, even from a distance.
- No Trenching Required: Save on installation costs with fully wireless, battery-powered operation.
- Clear Communication: Due to high-gain microphones and adjustable volume controls your messages will remain loud and clear despite environmental noise.
- Weatherproof & Durable: This product is made for outdoor deployment with a strong enclosure that protects it from environmental factors.
- Pre-recorded Message Alerts: The system broadcasts automated audio warnings when certain events occur such as low battery status or power loss.
- Customizable Relay Options: Trigger external devices like strobes or alarms, based on your needs.
- Long Battery Life: Operates up to a year on just three alkaline D-cell batteries (in power saver mode). Or use a 12 volt power adapter.
- License-Free Operation: MURS frequencies eliminate the need for FCC licensing.
Fast, Easy, Reliable Wireless Communication – Wherever You Need It!
Stay connected with the Wireless Callbox and skip the hassle of wiring. Just mount it, power it up, and you're ready to go



Programmable Relay Switch
The call box has five pre-recorded factory messages that can be transmitted to receiving radios or played on the speaker when the Push-To-Talk button is pressed, batteries are dying, 12 volt power is lost, or a sensor triggered:
- Switch on when called - Switch closes (turn on strobe etc.) when the callbox first receives a call. Switch opens as soon as the PTT button is pressed, or if the callbox has not been used longer than its reset time.
- Switch on when active - Switch is closed (turn on strobe etc.) as long as the callbox is in use. Switch opens when the callbox has not been used (transmit or receive) longer than it's reset time.
- Switch is closed (turn on strobe etc.) - When the callbox receives or transmits a message until a 2-Tone code is sent from a programmed button on a radio.
- Switch momentary - Switch is closed for 1 second when the correct 2-tone code is received. Time can be extended up to 255 seconds
- Switch toggle - Switch alternately closes and opens with the correct 2-tone code is received.
Recorded Message Broadcast
This call box also has five factory pre-recorded messages that can be transmitted to receiving radios or played on the speaker when the Push-To-Talk button is pressed:
- Voice Alert (4 seconds max) - Message is transmitted when the PTT button is first pressed
- Greeting Message (12 seconds max) - Message plays on speaker when PTT button is first pressed
- Sensor Detect On (4 seconds max) - Message is transmitted when Sensor input is closed
- Sensor Detect Off (4 seconds max) - Message is transmitted when Sensor input is opened
- Low Battery (4 seconds max) - Message is transmitted when low battery voltage is detected
- Power Fail (4 seconds max) - Message is transmitted when a +12VDC power fail is detected
Installation Made Easy
Since the device includes a built-in antenna there is no requirement for an external one. For better performance through higher antenna positioning to overcome obstacles or extend range, an optional external antenna adapter is provided (refer to Related Items below).
Our callboxes come pre-programmed to Channel 1 on the FCC license-free MURS frequencies, so no additional programming is necessary. They are fully compatible with our other pre-programmed MURS radios for seamless communication.
For installation, the unit includes two mounting brackets for flat surfaces, and for pole mounting, an optional gooseneck pedestal pole bracket is available. To ensure security, the callbox is sealed with four Torx screws, and we provide a Torx bit for easy setup.
How it Works
When a visitor presses the call button, a warbling tone is transmitted to all two-way radios or base station intercoms tuned to the same channel. If the unit is operating in battery-powered mode, it will automatically activate to allow two-way communication. After a period of inactivity, the callbox returns to sleep mode and cannot be contacted again until the button is pressed by another visitor. For continuous operation in full intercom mode—where the unit remains active at all times—an optional cable and a 12-volt power supply are required (see Related Items). If you are using the internal relay for door or gate opening, you activate it by pressing a button on the inside base station intercom or handheld radio.
Features
- Wireless, 2-Way, Push-To-Talk Narrowband Analog Technology No Costly Trenching or Construction Costs To Install
- Stand-Alone Operation. No Wires. Or Optional External Powered for Always-On Operation
- High-Audio Output, High-Gain Mic Capability Adjustable Volume - Loud, Easy To Hear In Loud Environments
- High Performance, Business Band Frequencies Long Range 1 Mile or more, line-of-sight (may not need line-of-sight for shorter distances)
- Rugged, High-Impact Gasket Sealed Enclosure Durable, Sealed and Weatherproof For Outdoor Use
- Internal Antenna, Tough, Machined Aluminum PTT Button Long-Life, Tamper and Vandal-Resistant
- MURS "License Free" Frequencies. MURS frequencies that do not require FCC licensing
- Built-In Relay Control Allows Long-Range, Remote Control Of Gates Or Doors
- Relay can be used to activate a strobe light when someone presses the call button or when Callbox receives a call (visual indication of a call).
- Standard Flange Mount Hole Pattern Easy Installation. Optional Mounting Brackets Available
- Volume Level. Field programmable or PC programmable to 5 “ 100% volume level
- This callbox is equipped to use pre-recorded voice messages that notify radio system users when specific events occur. These unique voice messages are recorded and stored on the callbox, and automatically played back when the associated event occurs. It supports 5 different message events and comes from the factory with no messages recorded
- Battery Powered. Can be powered by 3 Alkaline D-cell batteries for 700mW transmit power. D-cell batteries can operate the radio for up to one year or 7,000 transmissions
- External Power +12 VDC Capable. Can be powered by an external +12 VDC source. This method of powering the callbox allows the radio to remain ON at all times, like an intercom. Automatic Turn Off must be DISABLED
- Low Battery Alert. The callbox will transmit an Alert Tone at the end of each transmission when the batteries approach end-of-life. This allows sufficient time for you to replace the batteries and assure uninterrupted service. Can also transmit a recorded Low Battery voice message
- +12 VDC Power Fail Alert. This feature can be enabled via Field or PC programming. The callbox will transmit an Alert Tone if it detects loss of +12 VDC power. The radio automatically continues to transmit an Alert Tone once every hour (unless programmed for Automatic Turn Off) until +12 VDC is restored or the batteries are depleted. Can also transmit a recorded Power Fail voice message
- High/Low Power Output. When powered by External +12VDC the callboxes can be Field programmed for High or Low transmitter power output. When battery power the callbox operates in Low power mode exclusively "Automatic Turn-Off" or "Intercom" Operation. The Callbox can operate in the standard "Automatic Turn-Off" mode (Factory Default), where the radio is normally OFF until the Call Button is pressed, or can be Field or PC programmed for "Intercom" operation where the radio is always ON. See "External Power +12 VDC Capable" feature above.
- Power Consumption: Off: 0mA; Sleep: 3mA; Standby: 93mA; Receive; 300mA; Transmit (low): 500mA: Transmit (high) 760mA
- Operating Temperature: -20°C to +55°C (-4°F to 131°F) Battery rating. At 0°C the capacity is < 50% rated) Talk range will decrease at low temperatures when operating on alkaline batteries.
- Dimensions: 7 tall x 5.5 wide x 3 inches deep
