through the same way too.<br>- It can <B>switch between GPRS and SMS mode, track and monitor mode, and TCP and UDP mode</B>.<br>- With it, you can check the <B>vehicle state, IMEI, and reset SMS, set time, GPRS, APN, IP and port, and monitor central number</B>.                 <strong>Type:</strong> GPS,Tracker <br />             <strong>Model:</strong> TK103B <br />             <strong>GPS Bands  :</strong> GSM 850/900/1800/1900MHz <br />             <strong>Network :</strong> GSM,GPRS <br />             <strong>Voltage Range:</strong> 12V - 24V <br />             <strong>GPS Sensitivity:</strong> - 159 dBm <br />             <strong>GPS Start Time:</strong> Cold status:45s, Warm status:35s, Hot status:1s <br />             <strong>GPS Positioning Precision  :</strong> 5M                                            <strong>Package weight:</strong> 0.141 kg <br />             <strong>Product size (L x W x H):</strong> 7.9 x 5.1 x 2.2 cm / 3.10 x 2.00 x 0.86 inches <br />             <strong>Package size (L x W x H):</strong> 8.9 x 6.1 x 3.2 cm / 3.50 x 2.40 x 1.26 inches                               <strong>Package Contents:</strong> 1 x TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft, 1 x Bilingual User Manual In English and Chinese                 <img src="http://des.chinabrands.com/uploads/2015/201512/heditor/201512081647325821.jpg" alt="TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft" /><br /><br /><img src="http://des.chinabrands.com/uploads/2015/201512/heditor/201512080945514356.jpg" alt="TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft" /><br /><br /><img src="http://des.chinabrands.com/uploads/2015/201512/heditor/201512080945526341.jpg" alt="TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft" /><br /><br /><img src="http://des.chinabrands.com/uploads/2015/201512/heditor/201512080945528153.jpg" alt="TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft" /><br /><br /><img src="http://des.chinabrands.com/uploads/2015/201512/heditor/201512080945535274.jpg" alt="TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft" /><br /><br /><img src="http://des.chinabrands.com/uploads/2015/201512/heditor/201512080945547358.jpg" alt="TK103B GPS SMS GPRS Vehicle Tracker Locator With Remote Control Alarm SD SIM Card Anti-theft" />