SKU: BU-353S4

BRAND: Communica

USB High Sensitivity SiRF Star IV GPS Receiver


 The BU-353S4 is a USB GPS receiver that features a highly sensitive, low power consumption chipset in a ultra compact form factor. The BU-353S4 is powered by a SiRF Star IV GPS chipset, and will provide you with superior performance in urban canyons, and in dense foliage. With the SiRF CGEE (Client Generated Extended Ephemeris) technology, has the capability of predicting satellite positions for up to 3 days in advance, and will deliver a CGEE-start time of less than 15 seconds under most conditions without any network assistance. The BU-353S4's MicroPower mode allows the receiver to stay in a hot start-like condition almost continuously while consuming very little power.



  • SiRF Star IV GPS Chipset
  • -163 dBm High Tracking Sensitivity
  • Extremely Fast Time To First Fix (TTFF)
  • Output Message: NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL
  • USB Interface Connection Port
  • Waterproof and Non-Slip Base
  • Super-Cohesive Magnetic Mount
  • LED Indicator for Power and GPS Fix Status
  • Weighs less than 60 Grams (5.34x5.34x2.03cm)