GL521MG specifications LTE Cat M1/NB2 waterproof GNSS tracker supporting BLE 5.2 with up to 1 year standby time LTE Specifications EGPRS Specifications Cat M1： LTE-FDD:B1/B2/B3/B4/B5/B8/B12/B13/B18/ Operating Band B19/B20/B25/B26/B27/B28/B66/B85 Cat NB2: LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/ B19/B20/B25/B28/B66/B71/B85 Data Transmission eMTC (DL) 588 Kbps eMTC (UL) 1119 Kbps NB2 (DL) 127 Kbps NB2 (UL) 158.5 Kbps NB1 (DL) 32 Kbps NB1 (UL) 70 Kbps Data Transmission GNSS Specifications General Specifications GNSS type u-box All-in-one GNSS receiver Constellation Support GPS, Glonass, Galileo, Beidou Cold start: -147dBm Hot start: -156 dBm Tracking: -162 dBm Backup Battery Standby Time Standby current: <10 µA 1 report per day : 1 year Charging Method Operating Temperature Internal Temperature Sensor For temperature monitoring Accuracy: ±1℃ Internal Light Sensor Internal Motor For vibration feedback after successful operation of function button Low Power Alarm Alarm when internal battery is low Magnetic Mounting Case (Optional) For easy installation on metal surface Interfaces Function Button Used for power on/off and working status checking Internal only GNSS Antenna Internal only Internal only Position Autonomous: < 2.5m Accuracy (CEP) TTFF (Open Sky) Cold start: 27s average Hot start: 1s average Air Interface Protocol Command Set @Track protocol command Transmit Protocol TCP, UDP, SMS Working Modes Power saving mode for long standby time Continuous mode for emergency tracking Scheduled Timing Report position and status at preset time Report intervals Support up to 20 internal geo-fence regions Wakeup Report Report when the device wakes up Motion Detection Motion detection based on internal 3-axis accelerometer Reporting Frequency Adjustment Intelligent adjustment of reporting frequency ① LIMITED LIABILITY NOTICE Using unapproved chargers with Queclink products may cause harm www.queclink.com to the product and may result in battery failure, even risk of severe heat, and burst. Queclink, its distributors,[email protected] and affiliates shall not bear the burden of responsibility for any damages as5108 described +86 21 2965 here above. By using a third-party charger, you assume all responsibility for any ris