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The 7Semi L89 USB Multi-GNSS Receiver is a plug-and-play dongle built around the Quectel L89 module. It supports GPS, IRNSS (NavIC), Galileo, GLONASS, BeiDou and QZSS, uses dual-band L1 and L5 reception and adds anti-jamming to keep the position steady.
Dual-band receivers can correct for some atmospheric errors, which is why they reach position accuracies below 1.8 m CEP.
The dongle is powered by USB at 5 V, measures 62.82 x 19.06 mm and weighs about 13 g. Velocity accuracy is below 0.1 m/s, acceleration accuracy is below 0.1 m/s squared and timing accuracy is 3.9 ns RMS on the 1PPS output. Sensitivity is -147 dBm for acquisition and -163 dBm for tracking, and the operating temperature range is -40 to +85 C.
It shows up as a serial device on a computer, so tools that read NMEA data can use it. For best results, place it near a window or use a USB extension so the antenna has a clear view of the sky.
Developers, surveyors and hobbyists who need a compact, high-accuracy receiver for a laptop or single-board computer, especially in regions where NavIC is used.
Because dual-band reception works best with a clean view of the sky, use a short USB extension to place the dongle by a window. Check that your software reads NMEA at the dongle's default baud rate, and consider using u-center or a similar tool to view satellites and signal strength. Keep it away from USB 3 ports and hubs, which can create radio noise.
GPS L1, Galileo E1, IRNSS L5, GLONASS L1 and BeiDou B1.
Below 1.8 m CEP.
By USB at 5 V.
About 13 g.
Yes, it supports IRNSS (NavIC).
| Brand | 7Semi |
|---|---|
| Accuracy | <1.8m CEP |
| Dimensions | 62.82 x 19.06 mm |
| Frequency Bands | L1, L5 |
| GNSS Constellations | GPS, Galileo, GLONASS, BeiDou, IRNSS, QZSS |
| Interface Type | USB |
| Operating Voltage | USB 5V |
| Weight | 13.000000 g |
| Selling unit | PCS |
