Integrated industrial-focused compass flight control, with its own geomagnetic writerProduct Size: 25x25x8mmBuilt-in LNAS signal amplifier25x25x4mm industrial standard with high sensitivity ceramic antennaBuilt-in TCXO crystal and Farad capacitor for faster hot start1-10Hz positioning update rateThe F23-U is a low-power and highly sensitive Beidou/GPS receiver, which can receive satellite signals in 72 channels, which can locate quickly and accurately weak signals in cities, canyons, elevated areas, and other places. The receiver is equipped with a geomagnetic writer, which can help users speed up their work. Color: as shownMaterial: pcb Package Content: 1 x Motherboard PositioningOnly the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.