Features: GPRS Patrol is currently on the market the most advanced products Patrol, patrol work, the biggest feature is the use of the machine itself, the real-time management, real-time work quickly and accurately grasp the scene patrol personnel, completely solve the traditional patrol More machine biggest flaw in the application. Traditional Patrol patrol completed after the PC is connected via upload patrol data, GPRS real-time patrol is to avoid the resulting data lag. Instant / real-time control of personnel equipment, compact design, and drop waterproof, durable, automatic card reader, simple operation, without buttons, easy to learn. Information costs low, standby time of up to 10 days. GPRS system applications advantages: (1) high-speed data transmission: 10 times the speed of GSM transmission speed packet send and receive data to achieve, according to traffic accounting; 56 ~ 115Kbps (kbps is kilobits per second) transfer speed (. a current transmission rate GSM mobile communications network is 9.6kbps) but also to meet the ideal requirements, but also can stably transmit a large amount of data and recorded. (2) real-time: GPRS can be used for mobile devices, real-time online can meet a variety of real-time requirements. (3) only by data traffic accounting: the amount of data that is transferred to your billing, due to the amount of data transfer of records required inspection device is very small, so the real-time communication via GPRS has a higher cost. (4) low data traffic charges: 2000 uploaded by daily inspection records, according to the China Unicom & Mobile GPRS billing standards, generate traffic costs 50 yuan per year.