Gm-82 gps receiver features sirf star ii/lp (low power) chipset with embedded arm7tdmi cpu available for customized applications in firmware。 12 parallel satellite-tracking channels for fast acquisition and reacquisition。 high speed signal acquisition using 1920 time/frequency search channels。 built...
Specifications snap start hot start 8 sec(typ). Warm start 38 sec(typ). Cold start 45 sec(typ). Satellite reacquisition time accuracy 100 ms channels 12 satellites position accuracy 25m cep without sa receiver l1, c/a code protocol nmea v2.2, 4800, 8, n, 1 or sirf binary maximum altitude maximum vel...
J1 connector pin definition: pin pin name function description pin pin name function description 1 nc no function 11 txa serial data output a 2 vcc_5v +5v dc power input 12 rxa serial data input a 3 vbat backup battery (2.5–3.3v) 13 gnd ground 4 nc no function 14 txb serial data output b 5 pbresen r...