Topcon GR5 Base Rover with GPS and Glonass
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The GR-5 features the multi-constellation 226-Channel Vanguard GNSS chip with Universal Tracking Channel Technology. The GR-5 also includes Topcon’s patented Fence Antenna Technology design which offers a compact and lightweight antenna that covers the entire GNSS frequency band for unmatched performance. With Vanguard, Fence Antenna, and Topcon’s advanced acquisition algorithms, the GR-5 receiver delivers the most robust GNSS tracking performance available.