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最新国际求购:GPS追踪器,gps tracker
gps tracker gps tracker gps trackertracker specificationsgsm technical specificationsgsm/gprs 850/900/1800/1900mhzgprs multi-slot class10gprs integrates the tcp/ip protocolstorage temperature -40 ~ +125 deg-cgps technical detail specificationsagps ephemeris 7 day datareceiver type l1 frequencygps c/a codesbas capable51 channel acquisitions14 channel trackingaccuracy position 2.5m cepvelocity 0.1m/sectiming 300nsopen sky ttff hot start 1 secondcold start 29 seconds averagereacquisition sensitivity tracking -161dbmupdate rate 1hz standarddynamics 4goperational limits altitude velocity datum default wgs-84interface uart lvttl levelbaud rate 4800 / 9600 / 38400 / 115200 hardware configurableprotocol nmea-0183 v3.01, gga, gll, gsa, gsv, rmc, vtg (default gga, gsa, gsv, rmc, vtg)main supply voltage 2.7v ~ 3.3vephemeris data backup voltage 1.5v ~ 6v 10糰current consumption ~23ma trackingoperating temperature -30 ~ +85 deg-cstorage temperature -40 ~ +125 deg-c7f, 98, yanping road, chungli city, tw, taiwancontact person ms. shirley liutelephone 886-3-4559667fax 886-3-4558907 website http://www.todaytex.com/