Specifications: Product Size: 25x25x6.5mm Weight: about 15g Frequency: 1575.42MHz ± 5 MHz Polarization: right-hand circular polarization Antenna gain: 4~5dBi Impendance: 50 Ohm Connector: IPEX Operating temperature: -45 ℃ ~ +85 ℃ Storage temperature: -50 ℃ ~ +85 ℃ Relative humidity: 95% ~100%