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  2. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...

  3. NXDN - Wikipedia

    en.wikipedia.org/wiki/NXDN

    The basic NXDN channel is digital and can be either 12.5 kHz or 6.25 kHz wide. 6.25 kHz dual-channel systems can be configured to fit within a 12.5 kHz channel. This effectively doubles the spectrum efficiency compared to an analog FM system occupying a 12.5 kHz channel. The architecture of NXDN is such that two NXDN channels, within a 12.5 kHz ...

  4. AN/PRC-148 - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-148

    The AN/PRC-6809 MBITR Clear is a variant of the MBITR, made available without encryption. While the PRC-148 includes US Type 1 capabilities in all versions, the PRC-6809 uses Level III Data Encryption Standard, making it available to police, firefighters, and militaries unable to obtain International Traffic in Arms Regulations (ITAR) approval.

  5. Trunked radio system - Wikipedia

    en.wikipedia.org/wiki/Trunked_radio_system

    A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup ) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...

  6. MDC-1200 - Wikipedia

    en.wikipedia.org/wiki/MDC-1200

    In the event a radio is stolen, or a user's permission to access the radio system is revoked, a data packet can be sent to the radio's ID to disable the radio. This prevents the radio from transmitting or receiving until either an un-inhibit packet is sent to the radio or in some cases re-programmed using the appropriate service software.

  7. Radio program - Wikipedia

    en.wikipedia.org/wiki/Radio_program

    Two-Way Radio Network: Two-way radio networks are commonly used in public safety organizations, transportation sectors, industrial settings, and emergency services. Push-to-Talk (PTT) technology, often used in two-way radio systems, allows users to transmit messages instantly, mimicking the functionality of traditional walkie-talkies.

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  9. Midland Radio - Wikipedia

    en.wikipedia.org/wiki/Midland_Radio

    Two -Way Radios. Midland Radio offers four lines of two-way radios: X-Talker, LXT, GXT and XT511; MicroMobile. High-Powered GMRS Radios that can communicate with any Midland Radio Two-Way Radio. Midland Radio is the official communication sponsor of Jeep Jamboree, which now is in a transition to switch from CB to MicroMobile Radios. [2] CB Radios