Key Specifications/Special Features:Size: 43x33x14mmCenter frequency: 1575.42+3 or -3MHzVSWR: 1.5: 1Bandwidth: +5 and -5MHzImpedance: 50 OhmsPolarization: RHCPLNA gain (without cable): 28+2 or -2dB (typical)Noise figure: 1.5dBDC voltage: 2.2 to 5VDC current: 5~15 mA (maximum) Jiashan Jinchang Electronics Co., Ltd. is a national high-tech enterprise, specialized in high-frequency GPS/GLONASS/GSM/WIFI antenna manufacturing, engaged in antenna industry for 28 years. The products including GPS/GLONASS antenna, 2G/3G/4G GSM antenna, WIFI/Bluetooth antenna, GPS active antenna, GPS Car antenna, won National Award for New Product, Technology Innovation Fund and National New Product Award. Currently Jinchang have 13 patents, passed TS16949, ISO9001 certification. The antennas have CE and FCC certification, comply with ROHS through SGS test. Jinchang have HP network tester, noise-figure meters, high-frequency signal generator, anechoic chamber, as well as other antenna testing equipment and facilities. Eight production lines can produce all kinds of antenna 30000pcs per day. 70% products exported to Europe and America. Nissan, Nokia, Motorola, Coca-Cola, Volkswagen, Audi, Datang, SEG and other enterprises have bulk used Jinchang's products.Our Advantages: 1.As a national key technological innovation and R&D center and a post- doctoral research station, the company obtains more than three million dollars national research grants annually. 2.There are 80 technical engineers, including 5 expert-level engineers and 20 chief technicians. Each year, more than 10 patented models are promoted to market. 3. Sticking to the principle of "customer first", our salesmen and technicians provide you professional services any time.