http://www.ec21.com/ec-market/gps/glonass.html http://jeesm56.en.ec21.com/GPS_Glonass_Antenna--1335109_3674917.htmlGPS and Glonass satellites. * Navigation, PMP, PDA, portable GPS, Tracker, digital camera, satellite telephone, etc.. *20090716 http://siwi.en.ec21.com/GPS_GLONASS_Aviation_Antenna--1888598_847575.html GPS/GLONASS Aviation Antenna Model: SWATGG Main Applications * Aviation aircraft management * Guide and 20090706 http://liywang.en.ec21.com/GPS_cell_Phone_Jammer_Blocker--3470388_3470437.htmlGPS(L1) & GLONASS Shielding(block) range antenna output power within 1~45m radius (Can adjust) Total 12W ( eac20091203 http://tangreat.en.ec21.com/Portable_GPS_L1_L2_Jammer--3767954_3833892.htmlGPS L1, GPS L2 Total output power: 2.7Watt Frequency: 1164 MHz and 1563 MHz Global GPS and Glonass system 20091105 http://ptmadjulingga.en.ec21.com/TopCon_Hiper_Pro_01_840802--3762918_3762947.htmlGPS+GLONASS satellite tracking technology. That means more satellite coverage, increased performance, and improved prec20090822 http://360424198602175504.en.ec21.com/Portable_GPS_L1_L2_Jammer--3101653_3145923.htmlGPS L2 Total output power: 2.7Watt Frequency: 1164Mhz and 1563Mhz Global Gps and Glonass system Signal Sourc20090808 http://aterma.en.ec21.com/Microwave_Assemblies--3081641_3081642.htmlGPS （ BD 、 GLONASS TES/ PES CAPS. Planet receiver system product. EMC products: abso20081015