OBD-II Connectivity, easy to install 3G – GSM/GPRS/EDGE, WCDMA(UMTS/HSDPA) WCDMA 850/900/1900/2100MHz, GSM 850/900/1800/1900MHz Universal Communication, Global Roaming optimization with SekurCell boarder-less SIM. Dual module, GPS & LBS positioning, GPS precise positioning with A-GPS and uploaded by GPRS regularly Wide operating voltage range +6.0 ~+45VDC/1.5A Internal u-blox chipset Embedded full-featured protocol Internal 3-axis accelerometer for power saving and motion detection, Internal GSM Antenna, Internal GPS Antenna, Network Signal Optimization, FCC/CE certified module. OBDII Port Vehicle diagnostics information via GPRS and Bluetooth. Bluetooth: Bluetooth® Smart 2.4 GHz. OBDII Support protocols SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 KWP, ISO 15765-4 CAN , SAE J1939 CAN. Indicator LED CEL and GPS. RFID Identification and Arm/Disarm via RFID up to 10 RFID tags or Unlimited Drivers Identification. Auto Arm after 10 Minutes of ignition OFF, Manual Arm/disarm, External Siren (Ready), Mobile App Alarm, Immobilizer (Ready). Disable the starter/ fuel Pump (speed configurable) Supports multi-wireless Anti-Tamper relay installation (Optional) Debug and Upgrade C Type USB Port USB port, Speed accuracy <0.1M/S (wide-open area) Multiple protocol support, Integration Act protocol, Over The Air (OTA) Firmware upgradeable /configurable.