4g Cell Phone tracking system

The system consists of a vehicle location host (supporting three bands of TDD-LTE (Band38/39/40) and FDD-LTE 2 bands (Band1/3) , covering all bands of a 4G mobile phone) and a hand-held soldier device (approaching the location accurately by receiving the energy value reported by the controlled target mobile phone to the location host) . The system is based on Wenyuan Communication 4G base station system, with high sensitivity and support for all mainstream mobile phones. 2. Support in 4 G mode to capture the location directly, but also support the redirection to 2 g/3 G under the location, the target is not perceived, capture efficiency is high 3. Positioning using Wenyuan Communication Self-study Algorithm, control distance, the target on the number can achieve stable control, do not lose. 4. Single-soldier equipment with positioning host, for the field strength measurement direction is obvious, data precision, no jitter, signal continues (every 1s reported once) , invalid direction test distance is less than 5% 5. Telecom-grade products, industrial-grade stability, safety and reliability. Main parameters operating band: China Mobile 4G full band, China UNICOM/TELECOM 4G band (support China Mobile TDD-LTE format 1.9 Ghz, 2.6 Ghz, 2.3 Ghz band, frequency point and subsequent expansion point; support Unicom/telecom Band3, Band1) transmit power: 20W (transmit efficiency up to 30%) positioning accuracy: less than 2 m coverage: Greater Than 150 m (Omnidirectional Antenna) , more than 400 meters (Directional Antenna) , public network ENVIRONMENT-85 DBM, open range up to 400 ~ 900 meters, management building height above 25 storeys receiving sensitivity:-120DBM (higher than current operator base station receiving sensitivity) volume/weight (vehicle location host) : 52 × 40 × 12(cm)/15kg volume/weight (TDD-LTE passive soldier equipment) : 20 × 25 × 10(cm)/1kg continuous working time: 4 hours (battery powered) per soldier, can last up to 10 hours

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