HAOZE Technology (HK) Limited

SIMCom presents a small, high performance and reliable assisted GPS module-SIM28M. This is a standalone L1<br />
frequency GPS module in a SMT type and it is designed with MTK high sensitivity navigation engine, which<br />
allows you to achieves the industry’s highest levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with<br />
lowest power consumption.<br />
<br />
Mechanical data<br />
•Dimensions 10.1*9.7*2.5mm<br />
•Weight 0.5g<br />
<br />
Features<br />
•Support EASYTM self-generated orbit prediction<br />
•Support EPOTM orbit prediction<br />
•Support AGPS<br />
•Support SBAS ranging (WAAS, EGNOS, GAGAN,MSAS)<br />
•Support Jamming Removing<br />
•Low-noise amplifier has been integrated<br />
<br />
Interfaces<br />
•Serial interfaces   UART<br />
•Digital I/O      GPIO/TIMEMARK (PPS)<br />
•Protocols       NMEA/PMTK/PSIM<br />
<br />
Support product<br />
•SIM68 EVB KIT with USB V2.0 full speed interface<br />
<br />
Certificate<br />
•CE<br />
<br />
Performance data<br />
•Receiver type:   22 tracking/66 acquisitionchannel/ GPS receiver/ GPS L1, C/A Code  <br />
•Max update rate  10Hz<br />
•Sensitivity1<br />
 Tracking:     -165 dBm<br />
 Reacquisition  -160 dBm<br />
 Cold starts:   -148 dBm<br />
•Time-To-First-Fix2<br />
 Cold starts     32 s (typical)<br />
 Warm starts 30s   30S<br />
 Hot starts      <1S<br />
 EPO Assist      13S(CTTFF)<br />
• Accuracy<br />
Automatic Position3   <2.5M CEP<br />
Speed4           0.1M/S<br />
•Operation temperature -40℃~+85 ℃<br />
<br />
Electrical data<br />
•Power supply      2.8~4.3V<br />
•Backup power     2.0 V~4.3V<br />
•Power consumption2,5  3.3V（typical）<br />
 Acquisition       17ma<br />
 Tracking        16ma<br />
 Backup 8uA        8ua<br />
•Antenna type       Active and passive<br />
•Antenna power      External