Welcome to the store! 4G Band Selection: FDD-LTE BAND:1/2/3/4/5/7/8/12/13/18/19/20/25/26/28/66/34/38/39/40/41 GSM:850/900/1800/1900 Specification Antenna: GPS Antenna Internal Color: Black Material: Plastic GPS Positioning Accuracy: 5m-15m (depending on GPS signal) LBS Positioning Accuracy: ~200m (depending on base station density) GPS Frequency: L1, 1575.42MHz C/A code Network: WCDMA, GSM, SMS GSM Frequency: 850/900/1800/1900MHz GPRS: Class 12, TCP/IP LED Indicator: GPS-Blue; GSM-Green Hot/Warm/Cold Start: Less than 3s, Less than 15s, Less than 60s GPS Sensitivity: -161dBm GPS Positioning Accuracy: 5m (in 3D positioning mode) Built-in Battery: Embedded 3.7V/150mAh battery for emergency alarm upon main power removal Working Current: Less than 30 mA Standby Current: Less than 15 mA IP Waterproof Level: IP65 Operating Voltage: 9-90V DC Ambient Temperature: -20℃ - 65℃ Ambient Humidity: 20% ~ 80% RH Real-time positioning/historical tracking/electronic fence Vibration/displacement/overspeed/power off/ACC switch/tow/SOS alarm ACC automatic activation and deactivation GPS+Beidou+glonass full-mode satellite positioning Tips: The product may be continuously updated, the actual product may have slight differences or color differences, the color and appearance may change, please don't mind. And please consider carefully before placing an order if you have any preferences for color or appearance. Package Contents: 1 x CJ790 4G Car Tracker Only the above package content is included, other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!