Motorola XPR-4550 Digital Base Station

Integrated, efficient, reliable communication is more critical to operational performance than ever before. Organizations and Events whose workers must be mobile need a communication solution that makes it easy and affordable for them to stay in touch. Motorola MotoTurbo delivers just that, it combines exceptional two-way radio functionality with digital technology to deliver increased capacity and spectrum efficiency, integrated data communications and enhanced voice communications. This digital mobile radio/base station can be outfitted with a desktop microphone to turn it into a desktop base station.
  • Up to 1000 Channels
  • 12.5/25 kHz Switchable Channel Spacing
  • 4 Programmable/Replaceable Buttons
  • Option Board Expandable
  • Short free-form and quick text messaging (free-form messaging requires keypad microphone)
  • Analog and/or Digital Channel Scanning
  • Analog and/or Digital Priority/Dual Priority Channel Scan
  • Alphanumeric Display
  • XPR™ 4550 includes Integrated GPS Module (requires MOTOTRBO Location Services Application)
  • Basic Privacy/Scrambling
  • DTMF Encode – Live Dial Only (Keypad Microphone required)
  • Voice Activated Transmit (VOX)
  • Site Roaming (IP Site Connect System)

Digital Calling Features:

  • MDC 1200 PTT – ID (Alphanumeric ID-Encode/Decode)
  • MDC 1200 Emergency (Encode/Decode)
  • MDC 1200 Call Alert (Encode/Decode)
  • DTMF Encode – Live Dial Only (Keypad Microphone required)

Analog Calling Features:

  • PTT-ID (Alphanumeric ID – Encode/Decode)
  • Talkgroup Calling – Private Calling (Encode/Decode)
  • All Call (Encode/Decode) – Emergency (Encode/Decode)
  • Radio Check (Encode/Decode) – Radio Disable / Enable (Encode/Decode)
  • Remote Monitor (Encode/Decode)
  • Escalerting Alarms

Programmable Buttons:

  • Alert Tones On/Off
  • Backlight Intensity
  • Contacts List
  • Emergency
  • External PA On/Off
  • High/Low Power
  • Horn and Lights On/Off
  • Manual Dial
  • Permanent Monitor
  • Nuisance Channel Delete
  • VOX On/Off
  • One Touch Call
  • Radio Check
  • Radio Enable / Disable
  • Remote Monitor
  • Repeater/Talkaround
  • Squelch
  • Scan
  • Telemetry Control
  • Text Messaging
  • Zone

  1. Accessory connector supports USB and IMPRES™ audio capability.
  2. Multi-colored LED indicators for clear, visible feedback of calling, scanning and monitoring features.
  3. Large, easy to use volume knob.
  4. XPR-4550 includes integrated GPS modem.
  5. 160 channels.
  6. Powerful, front-projecting speaker that transmits 12.5 kHz digital TDMA audio or 12.5/25 kHz analog audio.
  7. Large, easy-to-use navigation buttons allow easy access to intuitive, menu-driven interfaces.
  8. Flexible, menu-driven interface with user-friendly icons or two lines of text for ease of reading text messages and navigating through the menus.
  9. Four programmable/replaceable buttons for easy access to favorite features. New features such as one-touch calling and text messaging are amade even easier through programmable button access.
  10. Compact and ergonomically friendly microphone.


4 lbs


2.01” x 6.89” x 8.11” (HxWxL)

Power Levels

RF Output: VHF (1-25w, 25-55w), UHF (1-25w, 1,40w, 25-40w)

Frequency Range

UHF (403-470, 450-512mHz), VHF (136-174mHz)

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Motorola XPR-4550 Digital Base Station User Guide