 | GT-1612F5DRN-BKSBD | Size :16X12MM, BK1662N chip, dual frequency, Beidou single mode, support INS |  |
 | GT-1612F1DR-AGGB | Size :16X12MM MTK AG3335AT chip L1 single-frequency multi-mode band inertial navigation algorithm | |
 | GT-1612F5DR-AGGB | Size :16X12MM MTK AG3335AT chip dual-frequency multi-mode band inertial navigation algorithm | |
 | GRM-5853F1DRW-AGGB | Size :58X53mm MTK AG3335AT chip L1 single-frequency multi-mode RS232 with inertial navigation algorithm IPX7 waterp | |
 | GRM-5550F1DR-AGGB | MTK AG3335AT chip L1 single-frequency multi-mode RS232 band inertial navigation algorithm | |
