A big thanks to andy knitt from the radioreference forums for developing the software. Instantly discover fire dispatch pager tone frequencies with our easytouse tone decoder. Unication usa is a leader in critical messaging solutions for first responders. It uses the computers sound card to listen to the received audio and detect twotone sequential paging sequences quickcall 2 and similar formats. Alot of rural volunteer fire departments still rely on the motorola twotone sequential. The motorola minitor v twotone voice pager is ideal for fire departments as well as businesses and other organizations that must react quickly in times of emergency. Comtekk 2tone decoder utilizes the latest in digital signal processing dsp technology to instantly and accurately measure the frequencies of a received twotone paging signal or fire dispatch tone out signal. A valid twotone page is comprised of four elements. Sound card calibration for highly accurate frequency control. Its customizable options and dependable reception make it ideal in any rapid response situation. Twotonedetect is a computer program that interfaces with a radio receiver or scanner. Todays digital voice paging dvp systems operate as virtually wireless multicast. This program uses directsound a windows component to generate sound.
First tone frequency a tone usually between 300 hz and 3000 hz. Two tone voice paging is the most common fire department alerting method in the u. Firetone out operation allows the scanner to operate in a standby mode and. Tone voice alerting p25 digital trunking convenional and analog. Twotonedetect is a program used to detect, record, and email two tone quick call 2 format pages as received by a. The performance is completely driven by the sound card you are using. The motorola minitor vi twotone voice pager is ideal for fire departments and other organizations that need to react quickly in times of emergency. Unication pagers wolfe communications united states. Generating two tones simultaneously can be useful to check intermodulation distorsion in audio or radio equipment. Listen to live radio broadcasts in monitor mode or switch to paging alert only mode to just get pages. When the program detects a valid twotone paging sequence, it will record the page and the voice message that follows. The most common type are two tones that are sent in sequence. He is a 2001 graduate of the national fire academys efo program. This device is based on the python code used in twotonedetect.
Wolfe communications is the leader in pagers for fire service use. This type of paging is commonly used for fire department alerting. There are programs out there that will take the audio out from sdr or any. Upon detecting known twotone pages, the program will record dispatch audio and email that.
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