Telecoms, Datacoms, Wireless, IoT


Highly integrated multi-band GNSS module

23 June 2021 Telecoms, Datacoms, Wireless, IoT

The ZED-F9R from u-blox is a multi-band GNSS module that supports GPS/QZSS, GLONASS, Galileo and BeiDou constellations. It has an integrated inertial measurement unit (IMU) for RTK positioning which uses built-in algorithms to fuse the IMU data, GNSS measurements, wheel ticks, correction data and vehicle dynamic models to provide optimal positioning accuracy. The module can receive signals from four GNSS satellites simultaneously in challenging environments, can accurately process multipath signals and can operate well in covered areas.

The module has a cold start of 24 s, aided start of 4 s and reacquisition time of 2 s. It has a tracking and navigation sensitivity of -160 dBm, cold start sensitivity of -147 dBm and hot start sensitivity of -158 dBm. The module requires a DC supply of 2,7-3,6 V and consumes 85 mA of current. It can be controlled via UART, USB, SPI and DDC interfaces.

The ZED-F9R has a built-in TCXO, RTC, Flash memory, 3D accelerometer, 3D gyroscope, diplexer and SAW filters. It supports RTCM or SPARTN-formatted corrections, enabling high-precision navigation using Internet or satellite data.

This module is available in an LGA package that measures 17 x 22 x 2,4 mm with an antenna interface and is ideal for agricultural machinery, heavy trucks, low-speed ground robotics, different classes of wheeled vehicles and professional applications.

For more information contact Andrew Hutton, RF Design, +27 21 555 8400, andrew@rfdesign.co.za, www.rfdesign.co.za


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