Based on for Raspberry Pi40PIN GPIO interface design, suitable for , and RDK series motherboards Support GPS, Beidou (BDS), GLONASS and QZSS multiple satellite systems Built-in low noise amplifier (LNA) to improve receiving sensitivity Built-in acoustic wave filter (SAW Filter) to enhance noise elimination performance Support A-GNSS function Support serial communication baud rate range: 4800bps~115200bps (default 9600bps) Onboard battery holder, can be connected to ML1220 rechargeable battery, used for power-off to save ephemeris data and fast hot start Onboard 4 LED indicators, convenient for viewing module operation status (The product printed words depending on the batch, but this does not affect use) Color: Blue Material: PCB Package Contents: 1pcs L76K GPS HAT 1pcs GPS antenna 1pcs 2x20 inline socket 1pcs USB cable Type-A male to micro-B male 1pcs Copper column kit Only 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.