1.Onboard interface, suitable for series motherboards 2.Supports multiple satellite systems such as GPS, Beidou (BDS), GLONASS and QZSS 3.Built-in low noise amplifier (LNA) to improve reception sensitivity 4.Built-in acoustic filter (SAW Filter) to enhance noise elimination performance 5.Support A-GNSS function Comprehensive satellite support: This expansion board for is equipped with an advanced L76K GNSS module. Support serial communication baud rate range: 4800bps-115200bps (default 9600bps) Onboard battery holder, which can be connected to ML1220 rechargeable battery for power-off saving of ephemeris data and fast hot start Onboard 4 LED indicators for easy viewing of module operation status Color: As Shown Material: PCB Package Contents: 1 x Expansion Board 1 x GPS Antenna 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.