The system realizes the full location service between out-of-service prisoners and the police through distance measurement and positioning during the out-of-office process, enabling full-track tracking and active early warning; once the out-of-service personnel escape, continuous positioning of the in-service personnel can greatly enhance Chasing ability.
1. Host size: 168 * 68 * 38 (mm);
2. Screen size: 2.8inch QVGA
3. Screen resolution: 240 * 320, 260,000 colors, TFT
4.2G communication capability: GSM (voice), GPRS (data)
5. Battery:> 4000mAh
6. Endurance time: sleep> 30 days, run> 48H