Model Number: D1 GPS Tracker-#8335 Brand Name: Huanyu,Accept OEM Brand order Key Specifications/Special Features: 1、Brief introduction The product is based on GSM/GPRS network and GPS satellite positioning system, conducts positioning and monitoring on the remote target through SMS or Internet, is GPS and AGPS dual-mode positioning with the most advanced technology, has built-in large capacity battery, super-long standby, free installation, strong magnetic adsorption portable GPS locator.2、Technical parameters
●GSM frequency band: 850/900/1800/1900MHz
●Working voltage: 3.9V DC
●Working current: ≈35mA
●Sleep current: ≈4mA
●Timing power-on mode, sleep current≈0.2mA
●GPS positioning time:
Cold restart ≈38s (Open sky)
Warm restart ≈32s (Open sky)
Hot restart ≈2s (Open sky)
●GPS positioning precision: 10m (2D RM)
●Ambient operating temperature: -20℃~+60℃
●Ambient operating humidity: 20%~80%RH
●Dimension: 87(L)×54(W)×26(H)mm

3、SIM card installation and device power-on

3.1 Requirements for SIM card selection
●Please use 2G-GSM network SIM card.
●Terminal SIM card should activate caller ID.
●Terminal SIM card should activate GPRS function.
●PIN code of terminal SIM card is in the off state.