The XPR4550 mobile radio is no longer manufactured, however accessories and replacement parts may be available. Please contact your Motorola representative for additional information. Keep crews in touch with these proven digital performers. The XPR4000 Series features superior audio, optional Bluetooth for audio, integrated GPS, text messaging and expert applications customized to your business. The XPR4000 Series mobile radios feature an alpha-numeric display, up to 1000 channel capability, four programmable buttons, large volume knob for ease of use and a powerful, front projecting speaker. Connect PlusUnify your entire enterprise with this scalable, multi-site digital trunking system that coordinates resources using a dedicated control channel. Calls can be queued during busy times until an open channel is available, important users can be assigned priority status and a wire-line console can be used for centralized dispatch. Linked Capacity PlusExpand the capacity and extend the coverage of MOTOTRBO with this multi-site, digital, entry-level trunking system. It leverages the high capacity of Capacity Plus with the wide area coverage capabilities of IP Site Connect to keep employees at many locations affordably connected. Capacity PlusOpt for this single site, digital entry-level trunking system that maximizes the capacity of MOTOTRBO by connecting several repeaters together. You can use it for a high volume of voice and data communication and link over a thousand users at a single site without adding new frequencies. The Digital Voting option offers an enhanced level of coverage for wide areas and difficult geographies. IP Site ConnectUse your IP network to extend the voice and data capabilities of MOTOTRBO by linking repeaters together. You can create a continuous network that covers employees at 15 geographically-dispersed locations. You can also link up to 15 sites to create wide area coverage or enhance coverage at a single site that has physical barriers. Compact, Ergonomic DesignLarge, easy-to-use navigation buttons with a compact and ergonomically friendly microphone. Bright DisplayFlexible, menu-driven interface with user-friendly icons or two lines of text for ease of reading text messages and navigating through menus. Emergency SignalingSends a help signal to a predefined person or group. Digital Telephone InterconnectCommunicate between radios and land-line or mobile phones. Flexible Configurations and Easy UseAvailable in UHF and VHF frequency bands with 1000 channel capacity, large, easy to access volume knob and four programmable buttons with option to use one as an emergency button. Best-in-Class AudioLoud front-facing speaker and Intelligent Audio feature automatically adjusts the radio volume according to the environment’s noise level. Integrated GPSLocate mobile work teams using integrated GPS. Productivity-Enhancing Data ApplicationsFeatures the industry’s largest application developer program that enables a wide variety of customized applications including: location tracking, work order ticket management, Bluetooth data, email gateways, dispatch, telephony and man-down. Text MessagingUse text messaging when discretion is required or routine communication needs to be delivered without interrupting workers or guests. Basic or Enhanced PrivacyBuilt-in scrambling for increased security. Transmit InterruptEnables a user to interrupt another radio conversation to deliver critical communication exactly when and where it’s needed.