28z2fttl Beidou GPS module antenna integrated module signal qiangzhongke micro at6558r scheme

The products are shipped by default: GPS + Beidou dual-mode positioning, ROM version, 3.3V or 5V power supply, TTL level output, 9600 baud rate, 1Hz output, NMEA-0183 protocol output.

Highlights 

Main chip: Zhongke micro at6558r

Product size： 28 × 28 × 8.5mm

Built in LNA signal amplifier

industry standard 25x25x4mm high sensitivity ceramic antenna

 built in TCXO crystal and farad capacitor for faster hot start  1-10hz positioning update rate

Product parameters zhongkewei at6558r1.157542 MHz:L2.156110MHz Chip characteristic baud rate 4800bps 921600bps (default 960bp sensitivity cold start average 30 seconds, dynamic average 28 seconds, average 1 second horizontal accuracy 20 meters cep2d RMS SBAS auxiliary (on / off sky) time clear 50000m working limit maximum speed 500m / s maximum acceleration 54G hectare level output data output protocol NMEA0183 standard protocol (the specified output statement can be set) update frequency 1-10hz (default 1Hz) overall size 28x28x8.5mm physical characteristics 254MM spacing needle plug working environment power indicator light, After normal power on, the red light will be on, and the PPS lamp will not be on before the PPS lamp is not positioned. After the positioning is successful, the PPS will flash

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