The AmbiCom high performance GPS Navigation USB receiver has proven SiRF StarIII single chipset architecture incorporated within its small form factor. It offers the highest level of sensitivity at (-159dBm) for fast signal acquiring and updating. It has superior accuracy with 20 channels satellite tracking ability. Other forms of navigation software are also compatible with NMEA-0183 GPS standard, in conjunction with AmbiCom's Navigation USB Receiver. Aviation, nautical and hiking software are some examples. Features include: Sensitive SiRF StarIII Chipset, 20 parallel satellites channels, SBAS(WAAS, EGNOS-Euro Geostationary Navigation Overlay Service) option, plug-n-play USB GPS, full navigation accuracy, small footprint, Internal real time clock, low power consumption and water-resistant.