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 density of base stations) 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-G reen Hot/Warm/Cold Start:Less than 3x, Less than 15s, Less than 60s GPS sensitivity: -161dBm GPS position accuracy: 5m (in 3D positioning mode) Built-in Battery:Embedded 3.7V/150mAh battery for emergency alarm when removing main power Work Current:Less than 30 mA Standby Current:Less than 15 IP Waterproof Level:IP65 Operating Voltage:9-90V DC Environment Temperature:-20 - 65 Environment Humidity:20% ~ 80% RH Real-time positioning/historical track/electronic fence Vibration/displacement/overspeed/power outage/ACC switch/trailer/SOS alarm ACC automatic arming and disarming GPS+Beidou+glonass full-mode satellite positioning Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Package Contents: 1 x CJ790 4G Car Tracker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.