DGPS Integrated Receiver Products

MBX-3S

The CSI Wireless MBX-3S beacon receiver is used to receive free DGPS signals broadcast by the networks of Medium Frequency radiobeacons deployed in many regions throughout the world. It augments a separate GPS receiver with accuracy-improving correction data, resulting in a positioning accuracy on the order of one to five meters 95 per cent of the time, depending on the GPS receiver architecture and sophistication.

Similar to the ABX-3 and SBA-1 beacon receivers, the MBX-3S features hands-free operation. However, the MBX-3S also features a convenient menu system for advanced receiver configuration and monitoring of operational and performance status. The menu system enables advanced troubleshooting, adjustment of communication parameters, and manual turning of the receiver. An additional feature of the MBX-3S compared to the ABX-3 is a built-in signal splitter designed for use with combination GPS and beacon antennas such as the CDA-2 and the MGL-3. This feature will separate the beacon and GPS signal, enabling a single antenna to be shared by the MBX-3S and an external GPS receiver.

The MBX-3S is a rugged product based upon the CSI Wireless SBX beacon engine that features advanced digital signal processing techniques. This allows the MBX-3S to deliver reliable demodulation of DGPS data from the beacon broadcasts, even in noisy environments. The MBX-3S outputs the resulting data in the industry standard RTCM SC-104 format accepted by differential-ready GPS receivers. To configure and monitor receiver status, the MBX-3S also supports the NMEA 0183 protocol.

Operation of the MBX-3S requires power input (between 9 and 40 VDC), antenna input, and serial interface to an separate GPS product (RS-232 or RS-422 interface level). The MBX-3S may be used with any of the MBA-3, MBL-3, MGL-3, AVL-1, or CDA-2 antennas.

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