pmb-688 gps module pmb-688 features z built-in sirfstariii chipsets re ceivers give unparalleled gps p erformance and precis ion.20 parallel satellite-tracking channels for fa st acquisition and reacquisit ion. z built-in waas /egnos demodulator. z low power consumption and ultr a mini size only 33x39mm. z built-in rechargeable battery for backup memory and rtc backup. z support nmea0183 v2.2 data protocol. z enhanced algorithms prov iding superior navi gation performance i n urban, canyon and foliage environments. z for car navigation, marine na vigation, fleet management, avl an d location-based services, auto pilot, personal navigation or touring devices, tracking de vices/systems and mapping devices application. z include rf mmcx connector(optional: active antenna)
pmb-688 specifications gps ic sirfstar iii receiver: tracking up to 20 sate llites l1, 1575.42 mhz, c/a co de accuracy: position: 2drms approximately 5m, waas support velocity: 0.1 m/s without sa imposed. time: 1sec acquisition time: cold start: 42sec (aver age) warm start: 38sec (average) hot start: 1sec (min.) sensitivity: acquisition: -148dbm tracking: - 159 dbm dynamics: altitude: 18000m (max.) velocity: 515m/s (max. ) acceleration: 4g (max.) navigation update rate : once per second serial port : ttl baud rate : 4800 bps (op tional 9600,19300,38400 bps) output message: nmea0183 v2.2 gga, gsv, gsa, rmc (optional vtg , gll) datum: wgs 84 power supply : dc 3.3v ~ 5v power consumption : typical 65ma @12v led function power on/off and navigation operating temp.: -20~+70 storage temp.: -30~+85 humidity: 5%~95% antenna type: built -in patch antenna rf connector: mmcx type (optional : active antenna)
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