Pharos GPS Receiver with Bluetooth Wireless Technology Adaptive Trickle Power Management implemented to optimize both the power consumption and the sensitivity to the receiving environment Modular design to be used in either CF type I slot via CF adapter or cable connected to the USB port to the Laptop or Tablet computer. Upgradeable for existing and future communication protocols such as Bluetooth, 802.11X, GPRS SRAM and RTC backup power ? Super Cap (no battery) for reliability and extreme temperatures SBAS Capability Improves positional accuracy by using freely available satellite-based correction services called SBAS (Satellite Based Augmentation System).