The BU-353-S4 is a USB GPS receiver that incorporates a extremely delicate, low Energy consumption chipset in a ultra compact kind issue. The BU-353-S4 is powered by a SiRF Superstar IV GPS chipset, and will give you sophisticated performance in city canyons, and in dense foliage. With the SiRF CGEE (Shopper Generated Prolonged Ephemeris) expertise,…