Size :16X12MM MTK AG3335AA chip dual-frequency multi-mode 10Hz
Size :22X17MM Broadcom BK1662 chip dual-frequency multi-mode with RTK algorithm
Size :58X53mm BK1662 chip Dual frequency multi-mode RS232 Low power consumption with RTK algorithm IPX7 waterproof
Size :58X53mm Qianchun SI BG1101 chip dual-band multi-mode,UART,with RTK+ inertial navigation IPX7 waterproof