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TW7972 is an Accutenna® technology antenna especially designed for precision triple frequency positioning. This antenna provides triple band GPS L1/L2/L5, GLONASS G1/G2/G3, BeiDou B1/B2, Galileo E1/E5 plus L-band correction services coverage.
Discover new RM3100 Geomagnetic Sensor, highest performance sensor to make precise magnetic field measurements. Here our test with new RM3100 Geomagnetic Sensor: https://electronics.drotek.com/drotek-rm3100-sensor-performance-test-1/