EC21 Product Catalogs - gsm 850

Emergency Sos Button GSM Online GPS Watch Tracker for Kids

20150731

Volt DC5V Watch Size 32.5*23*12.3mm Working Temperature -20℃~+70℃ Working frequency GSM 850/900/1800/1900 MH Sensitivity GSM -165dBm /GPRS CS4 -102dBm Location query mode PC platform, SMS, etc

OEM ODM Tracking Device for Car

20230706

GSM Frequency 850/900/1800/1900 MHz GPRS Class 12, TCP / IP GPS Sensitivity -165 dB Acquisition Sensitivity -148dBm Positioning Accuracy 10m TTFF (open sky) Avg. hot start ≤ 1 sec Avg. cold start

China Factory Alarma Coche Rastreador GPS Coban GPS 103a Iot GPS Tracker with Sucurity Alarm

20231128

GSM/GPRS (2G version) WCDMA (3G version) GPS tracker Band: 850/900/1800/1900Mhz (2G version) 850/2100Mhz (3G Version) GPS tracker sensitivit: -165dB GPS tracker accuracy: 5m GPS backup battery 3.7V 3

1.5" LCD GPS Wrist Watch Child Age People Locator

20111020

GSM /GPRS modem supports Quad band frequencies GSM 850/900/1800/1900 MHz Place phone calls to 3 different phone numbers SOS mode covertly calls for help and sends location to a mobile phone Recieve c

4g Lte GPS Tracker

20230803

Specification -Size: 81*45*18mm -Working Voltage: DC 8~100V -Frequencies: LTE-FDD: B1/B3/B5/B7/B8/B20/B28 LTE-TDD: B38/B40/B41 GSM: 850/900/1800/1900MHz -GPS features: Positioning precision: <5~10

Best-selling Car GPS Alarm GPS Vehicle Trackers with Remote Engine Control Coban TK303

20230330

GSM/GPRS Band:850/900/1800/1900Mhz GPS Sensitivity:-159dBm GPS Accuracy:5m Voltage of car power system: 12 V -24V Backup battery:Chargeable 3.7V 350mAh Li-ion battery Storage Temp.:-40°C to +85°C O