1. 4G fast and accurate positioning in seconds, no limit on distance blind spots, global real-time positioning, full-band 4G, universal, and can be used on motorcycles, electric vehicles, scooters and cars. 2. Built-in 14nm MDM high-performance and low-power chip, high-precision GPS chipset, fast positioning and small error. 3. Blind zone supplementary transmission function. When there is no mobile phone signal, the data is saved in the GPS and will be supplemented when there is signal. 4. Shift alarm and alarm when exiting the electronic fence area. 5. Parameters: GPS chip: 61D Number of channels: 20 parallel channels Network: GSM/GPRS Chip: EC25 GPS sensitivity: -159dBm GPS accuracy: 5m Voltage: 9V-30V Storage temperature: -40~85 degrees Celsius Working temperature: -20~55 degrees Celsius Humidity: 5-95% Battery capacity: 200mAh Size: 6x4.5x1.5cm Weight: 40g 6. Network frequency band: 4G LTE-FDD: B1/B3/B7/B8/B20/B28 (EU) LTE-TDD: B38/B40/B41 (EU) LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28/B66 (AU) LTE-TDD: B40 (AU) LTE-FDD: B2/B4/B5/B12/B13/B14/B66/B71 (US) LTE-TDD: B2/B4/B5 (US)