Chip configuration	Radio frequency channel	6 channels RF input. Each channel can be configured
	Baseband channel	192
	processor	Integrated dual-core high-performance processor
	memorizer	PSRAM 64Mb, flash 64Mb
	clock	10MHz/26MHz Input clock Optional
	Chip interface	The seven-channel UART supports common baud rates and flexible configuration of data, parity, and stop bits
		2-channel SPI master, maximum speed 80M
		One SPI slave with a maximum speed of 50M
		1 channel I2C, supporting standard, fast and high-speed modes
		The two-channel CAN supports CAN 2.0B and CAN FD
		1 10/100M Ethernet MAC with external RMII PHY
		1 RTC interface, supporting external 32.768kHz crystals
		1 Indicates the EVENT interface
		1 PPS interface
Performance index	Pick up the star frequency	B1I/B2I/B3I/B1C/B2a/B2b
	Update rate	Raw data	10Hz	5 Hz(open integrated navigation)
		RTK positioning	10Hz	5 Hz(open integrated navigation)
		Combined positioning	-	100 Hz(open integrated navigation)
	Static single point positioning accuracy	plane	≤2.0cm+1ppm (RMS)
		elevation	≤4.0cm+1ppm (RMS)
	Dynamic single point positioning accuracy	plane	≤10m(RMS)
	Pseudo distance differential positioning accuracy	plane	≤1.0m(RMS)
		elevation	≤1.5m(RMS)
	RTK accuracy	plane	≤2.0cm+1ppm (RMS)
		elevation	≤4.0cm+1ppm (RMS)
	Combined navigation estimation accuracy (1km or 2min		2%x distance traveled
	PPP positioning accuracy	≤1m(RMS)
	Timing accuracy	≤20ns(RMS)
	1PPS second pulse	Width of rising edge	≤10ns
		Pulse width	20µs±200ns， configurable
	Velocity measurement accuracy	≤0.2m/s（RMS）
	Cold start time	≤35s
	Hot start time	≤3s
	Recapture time	≤1s
	RTK initialization time	≤5s
	Support protocol	RTCM2.X、RTCM3.X
Physical characteristics	dimension	7 mm×7mm×1.2mm
	encapsulation	LFBGA
Environmental index	Operating temperature	-40℃~+85℃