24 Mar 2015
by ignat


GPS module based on MT3329 Mediatek with internal patch antenna 2 meter cable and UEXT connector

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We have evaluated about a dozen of different GPS receivers before selecting this one. We found this device the most sensitive and the one with the least power consumption of all the devices we tested (Mstar, Skytraq etc). We found that MT3329 Mediatek chipset allows satellite tracking even within buildings and with the power consumption of only 40mA this device is better than all the other devices we have tested.



Built-in MT3329 Mediatek chipset

200,000 effective correlators for fast TTFF

20 channels “All-In-View” tracking

Cold/Warm/Hot start time: 42/38/1 sec. (average)

Reacquisition time: 0.1 sec.

Superior sensitivity: -159dBm tracking

Ultra low power design (38mA, typical)

Frequency L1, 1575.42MHz

C/A Code 1.023MHz chip rate

Power DC 3.3 ~ 6V, typical 5V Internal

Back-up battery 3.0V, 5.5mAh,Lithium battery

Back-up Current 7µA typ.

Update Rate 1 Hz (max.)

Accuracy Position 5 – 25m CEP without SA

Velocity 0.1m/sec, without SA

Time 1µs synchronized to GPS time

Altitude <18,000m (60,000 feet)

Velocity <515m/sec (1,000 knots)

Acceleration <4G

Motional Jerk 20m/sec3 max.

GPS Protocol NMEA0183

Interface RS232 CMOS, 19200 bps, 8N1

Build-in low noise, high gain active antenna

UEXT connector allow this device to be interfaced to all Olimex boards with UEXT connector

Super-cohesive magnetic for installation

Operating Temperature -40 °C ~ +85 °C

Storage Temperature -55 °C ~ +85 °C

Relative Humidity 5% to 90% non-condensing

Size: 47.0 (L) X 39.0 (W) X 16 (H) mm

Weight: 66.6g

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