GPS/GLONASS Activ External Antenna 
                    Center Frequency:GPS L1 + GLONASS   :1575MHz~1610MHz 
                            Cable Length:  Assigned by Customers 
                            Connector:  Assigned by Customers 
                             Gain:28 dB typ 
                                             Noise Figure:1.5 dB (max) 
                                             Output V.S.W.R:1.6 max 
                                           Voltage:DC=3~5V 
                                            Current:11mA @ 3V