URC-300 Transceiver

Maximized RF Performance - Redefining Software Defined

The new software-defined URC-300™ Transceiver improves ground-to-air communications with an architecture that enables users to upgrade fielded radios as new technology becomes available. The URC-300 retains a familiar user-friendly interface from the URC-200 (V2) as well as many of the legacy accessories.

Significant RF performance over the URC-200 (V2) for clearer communications during close-proximity operations


Customizable, software-defined platform enables future field-upgradeable enhancements

Designed to meet stringent FAA requirements

User-Friendly Features

See It In Action

Highly Versatile & Easy To Use

The URC-300 transceiver is a brand new, software-based, customizable platform that improves ground-to-air communications and enables future enhancements.

  • VHF and UHF AM capability provides interoperability with many RF systems 
  • Ideal for rapid deployment grab-and-go, rackmount, and vehicular applications
  • Redesigned front panel with glove-friendly, easy-to-use interface
  • Features


    • VHF and UHF AM capability provides interoperability with a variety of RF systems
    • 8.33KHz ETSI EN 300 676-1 compliance and CE marking for global operation
    • Separate DC input powers radio and charges battery
    • Optional accessories to power from AC or DC source
    • Built-in power conditioning replaces external filter accessories
    • Smaller size and less weight than the URC-200 (V2); ideal for emergency grab-and-go
    • Adaptable to many applications, including manpack, rackmount, vehicular and intercom
    • Side-by-side radios fit into a 19” rack for rackmount applications
    • Web-based configuration and monitoring tool for maintainers
    • Redesigned user interface with large, user-friendly display
    • Compatible with many of the legacy URC-200 family accessories


    Future, Field-Upgradeable Enhancements

    • FM voice
    • 50W power amplifier
    • Additional accessories for vehicular, shipboard, backpack and rackmount applications
    • Cipher text (data)
    • 30 - 90 MHz frequency band
    • Remote Control Unit
    • ED-137 VoIP Gateway Adapter
    • Frequency agile cosite filter
    • Adaptive Noise Reduction (ANR)


    Additional Certifications

    • MIL-461G EMI / EMC
    • CE / RoHS / REACH / Radio Equipment Directive
    • FCC


  • Specifications



    URC-300  Transceiver Datasheet



    View Document



    Frequency range

    VHF: 115 MHz to 150.000 MHz
    VHF: 115 MHz to 173.995 MHz (Future FM)
    UHF: 225 MHz to 399.995 MHz

    Tuning increments 25 kHz, 12.5 kHz, 5 kHz and 8.33 kHz
    Channel spacing 25 kHz, 8.33 kH, ETSI EN 300 676-1 compliant
    Frequency stability <± 1 PPM
    Remote Control
    SNMP V3 command / control BIT
    Preset channels 20 channel presets: Independently programmable transmit and receive

    Receiver Characteristics


    AM PT: -102 dBm (-103.5 dB typical)
    Dynamic range: > 115 dB

    Cross modulation
    ≥ 80 dB
    Audio noise (S+N/N)
    ≥ 40 dB
    Image response
    ≥ 80 dB
    Spurious response
    ≥ 70 dB ( ≥ 80 dB typical)
    Squelch range
    Operator adjustable from below sensitivity to above -80 dBm
    Adjacent channel rejection
    25 kHz: ≥ 60 dB; 8.33 KHz: ≥ 60 dB
    FM broadcast intermod immunity
    ≥ 95 dB

    Transmitter Characteristics

    Output power
    1W to 7W (CW) user adjustable in 0.2W steps
    10W avg ± 1 dB @ 90% AM
    0 - 95% user adjustable
    Distortion  < 10% (2.5% typical)
    Spurious output
    < -85 dB
    Harmonic output
    < -75 dB
    Adjacent channel power
    25 kHz: ≤ 60 dB
    8.33 kHz: ≤ 50 dB

    Physical Characteristics

    10.9 lbs. (less battery)
    10.6” L x 8.5” W x 3.5” H
    (without battery and handles)
    Ruggedized, environmentally tested for humidity, vibration, shock/drop, rain/drip-proof,
    temperature and altitude. Complies with sections of MIL-STD-810H and is rated IP65 for
    ingress protection
    -20˚C to +55˚C (operating)
    -50˚C to +70˚C (non operating)

    Power Supply

    BB-2590 (rechargeable)
    90 – 260 VAC, 47 – 63 Hz
    10.7 – 34 VDC
    Battery case dimensions
    5.2” L x 10.3” W x 2.8” H
    Current drain (+28 VDC)
    Transmit < 2.5 amps
    Receive < 360 mA


  • Literature
  • Resellers


    Carroll Communications

    Carroll Communications is an official Value Added Reseller of the URC-300™ Transceiver. Headquartered in Columbus County, NC, Carroll Communications is a U.S.-based veteran-owned small business that supports sales for the URC-300 Transceiver in the U.S.

    Learn More


  • Customer Support

    Customer Support

    For customer support, service and technical questions within the U.S. or to request electronic manuals, guides and important safety information, please contact us at:

    1-888-803-0065  (Toll-Free)

    Outside the USA, dial the ATT Direct number for the country where you are located. When prompted, enter 888-803-0065 


    Additional Product Information

    For additional product information, please contact us at URC300info@gd-ms.com.


  • News


    General Dynamics to Provide FAA with Radios for Backup Emergency Air Traffic Control Communications

    March 4, 2021

    The Federal Aviation Administration (FAA) has chosen General Dynamics Mission Systems to provide new URC-300E transceivers as part of their Emergency Transceiver Replacement (ETR) program. The URC-300E will replace current legacy radios and provide both Very High Frequency (VHF) and Ultra High Frequency (UHF) operation for civil and military air traffic control (ATC) communications in the event of a catastrophic failure, such as a facility fire or natural disaster.

    General Dynamics Introduces New URC-300 Software-Defined Ground-to-Air Radio

    October 26, 2020

    General Dynamics will deliver URC-300 transceiver backpack systems in February to the U.S. Air Force’s Radar, Airfield and Weather Systems team at Kadena Air Base in Japan to improve ground-to-air communications at their alternate air traffic control tower and contingency field operations. The URC-300 is specifically designed to enable future features and functions to be added in the field via quick and simple software upgrades.

    New URC-300 Radio Now 25kHz and 8.33kHz ETSI Compliant for Global Operation

    October 08, 2020

    General Dynamics is pleased to announce that its new URC-300™ radio has completed European Telecommunications Standards Institute (ETSI) European Standard (EN) 300 676 testing and is now in full compliance with all 25kHz and 8.33kHz VHF specifications. In addition, the URC-300 recently completed the ETSI EN 302 617 UHF testing and is also compliant with 25kHz UHF specifications.

    In The News: URC-300, A Rugged and Flexible Communications Solution

    August 27, 2020

    The new URC-300 software defined radio (SDR) is a ruggedized, versatile platform that provides line-of-sight, two-way VHF and UHF communications for a variety of applications. The radio’s exceptional radio frequency (RF) performance supports demanding Air Traffic Control (ATC) applications and other critical missions. It’s a versatile platform, with a suite of accessories for grab-and-go scenarios, vehicular installations, rack mount installations, and deployed missions to austere and challenging environments. The transceiver radio supports two-way point-to-point RF communications and is capable of supporting multiple waveforms.