Rapid & Covert Installation 1 Year Standby Time BLE 5.2 Supports Wireless Charging OTA Control Scheduled Timing Report Geo-fences IP67 Waterproof Vibration Feedback Low Power Alarm Wakeup Report LTE Cat M1/NB2 waterproof GNSS tracker supporting BLE 5.2 with up to 1 year standby time 150g (5.29oz) 170g (6.0oz) (magnet-mounted version) Motion Detection Automatic Mode Switching Temperature Monitoring 87 × 51 × 30mm 3.43’’(L) × 2.01’’(W) × 1.18’’(H) 87 × 51 × 33.5mm 3.43’’(L) × 2.01’’(W) × 1.32’’(H) (magnetic case mounting version) Tamper Detection Magnetic mounting (Optional) Use with Animal Collars Standby Time: 1 Report/ Day The GL521MG is derived from our successful GL500MG by supporting NB2 and adding Qi wireless charging and BLE. Our customers love the battery-powered GL500MG but still wanted a rechargeable version for certain scenarios. We designed this version without impacting the waterproof and robust enclosure. Adding BLE allows connectivity to diverse wireless accessories. With internal temperature and light sensors, the product is ideal for a wide range of environmental monitoring applications such as cold chain logistics, warehouse management, cargo trucking, high-value static asset monitoring and more. The GL521MG supports several mounting alternatives which use unique clip on design to securely attach the device to any asset. Asset Monitoring

Network/Operating Band GNSS Type LTE Cat M1/NB2： Cat M1: LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/ B18/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 EGPRS: 850/900/1800/1900 MHz u-blox All-in-One GNSS receiver CE/FCC/ Verizon Appearance Light Sensor STATUS LED / GPS LED Light Sensor Power Button Optional Magnet Holder Interfaces Power Button Used for power on/off and working status checking LTE Antenna Internal only GNSS Antenna Internal only BLE Antenna Internal only LED Indicators GNSS, CEL Air Interface Protocol Command Set @Track protocol...

WKF300 BLE key fob for continuously detecting the on-board status of the device WTH301 BLE temperature and humidity sensor Wireless Charger Accessories Kit The kit includes USB Type-C cable (USB-C to USB-A), USB-A charger and wireless charging pad. It’s used for device charging Parts list: GL501_Type-C USB cable Cable Length: 100cm; Color: black Connector Type: USB-A, USB Type-C GL501MG_USB charger Model: RCL-U050100C AC:100-240V; DC:5V-1A; Color: black GL501MG_Wireless charger Model: RCL-WXC5WF Input: 5V~1A; Output: 5V-800~1000mA GL500M Magnetic Mounting Bracket Used for magnetic installation...