Features: 1) GPS solar hand-held device 2) Using solar battery as the main power supply 3) Very good for outdoor activity such as skiing, hiking 4) BT GPS Receiver, CD Manual, Travel charger (Box packing) Environmental conditions: 1) Operating temperature: -40 - + 85°C 2) Storage temperature: -40 - +100°C 3) Relative humidity: 20 - 95% Specifications: 1) Input voltage: 2.5 - 4.5V 2) Power consumption: 7mA typ@3.0V 3) Output connector: 180 degrees, plug SMA 4) Cable: RG174/U 5) Optional connector: 180 degrees, plug MCX / SMC / MMCX Mechanical specifications: 1) Dimensions (L x W x H): 43 x 33 x 13.3mm 2) Weight: 23.0g 3) 100% waterproof 4) Plastic color: black 5) Fixed method: magnet on bottom Antenna: 1) Frequency range 1,575.42±1.023MHz 2) Gain (mounted on the 70mm 90 .: 5.0 dBi min. x 70mm square ground plane) 20 .: -5.0 dBi min. 3) Polarization: RHCP 4) Axial ratio 90 .: 3dB typ 5) Azimuth coverage: 360 degrees 6) Elevation coverage: 0 - 90 degrees LNA: 1) Frequency range 1,575.42±1.023MHz 2) Gain 24±2 (+25±5 degree), 24±5 (-40 degree to degree) 3) Noise figure: 1.6dB max (+ 25 degree±5 degree), 2.5dB max. (+85 degrees) 4) Out of band rejection = 1,575.42MHz±50MHz (25dB typ), ±100MHz (35dB typ) 5) Reverse isolation: 50dB typ 6) Output impedance: 50ohm