TL904A built-in light sensor, temperature and humidity sensor, is a 4G advanced tracking device, can be used for the management of valuable assets and Parcel Express.
Support LTE Cat M1/NB1 and GSM network WIFI Location can be used in indoor usage Tamper Alarm, Parcel illegal Opening Alarm Temperature and humidity detection Support aviation flight mode TCP, USSD protocols Update by SMS or network
General Specifications: Dimensions : 126mm(L) x 62mm(W) x 11mm(H) Weight : 120g Backup Battery : capacity 2500Mah Working Voltage: DC 3.7V Water Resistance: IP64 Working Temperature: -20℃～＋60℃ Temperature and humidity sensor: -40℃～＋85℃
Air Interface Protocol: Transmit Protocol: TCP, USSD Scheduled Report: Report position and status per half an hour Low Power Alarm : Alarm when battery is low and update the notification when report Geo-fence function：Support at least 5 electronic fences Special function: Anti-demolition alarm, Temperature and humidity detection, remote restart, support update by SMS and the network, support check current location information by SMS Support aviation flight mode，Anti-illegal shutdown mode
