Double electronic GPS systems, GPS positioning Double electronics company specializing in manufacturer gprs positioning site, Double electronic GPS positioning product features ● Setting: You can use the phone to send text messages on the terminal parameter settings ● Set content: Authorized phone number, equipment operation various functional parameter settings ● Automatic monitor terminal device sound within 5 meters (based on customer demand, may authorize the phone number limit monitor) ● Positioning way: GPS satellite positioning ● Positioning accuracy: Outdoor 5-35 m ● Positioning query: Positioning Platform inquiry, SMS inquiries, telephone inquiries, micro-channel query technology parameters ● frequency range: 850 \ 900 \ 1800 \ 1900MHZ ● Data transmission: SMS, GPRS (need to set the APN, China access point CMNET) ● GPS chip: SRF III / U-Blox 5th generation ● GPS sensitivity: -159dBm ● Backup battery: 1500mAh, can work 48 hours ● Supply voltage: DC-9V-30V ● Working temperature: -20 ℃ to + 70 ℃ ● Storage temperature: -40 ℃ to + 85 ℃ ● Operating Humidity: 5-95% RH ● Dimensions: 85 * 63 * 25mm ● Weight: 0.51kg mortgage car GPS positioning Which is better? Mortgage credit car GPS vehicle monitoring system for vehicle installment customized features, and Double GPS positioning GPS positioning company gprs positioning terminal is specifically for mortgage service vehicles, comprehensive and stable GPS positioning function and good after-sales service is always our adhere to the principles and objectives of services. (1) location tracking ● Instant positioning. ● Continuous recording vehicle location default 30 seconds. ● recorded parameters include: speed, location, direction of travel, alarm status. (2) track playback function, which can effectively record vehicle driving record six months, to facilitate analysis of activity patterns of vehicles (3) remote off the oil off the oil ● Parking: Center issued the instruction to the device, the device to determine if the vehicle speed is 0 execution broken oil instruction, password protection privileges. ● hierarchical management: Advanced users can remotely operate off the oil gprs satellite positioning, monitoring staff can locate. ● off oil recovery: send remote commands to restore normal under the center of the vehicle, unlock the car. (4) tamper alarm ● Custom tamper alarm gprs positioning device comes with backup power, when the power cord is being dismantled when the GPS system to automatically enter standby power supply, while the alarm to the monitoring center. location tracking gprs, gprs positioning wholesale, Luohe gprs positioning provided by Electronic Technology Co., Ltd., Zhengzhou Double. Double Electronic Technology Co., Ltd., Zhengzhou (www.zzgprs.com) is a leader in Zhengzhou, GPS systems, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Double electronic leadership in the staff warmly welcome all inquiries negotiations to create a better future for Double electronics.