Beyondoor GPS External Antenna,GPS Roof Antenna with High Gain Good Signal Sensitivity and Small Size Roof Mount with 3m RG174 Cable SMA Straight Male

?i?Dielectric Antenna Center Frequency?MHz??1575.423 VSWR?1.5:1 Bandwidth?MHz??5 Impedance????50 Peak Gain?3dBi Based on 7cm?cm ground plane Gain Coverage?-4dBi at -90?0?+90(over 75% Volume) Polarization?RHCP ?ii?LNA/Filter LNA Gain (Without cable)?28dBi Typical Noise Figure?dB??1.5 Filter Out Band Attenuation (f0=1575.42 MHz) 7dB Minf0+/-20MHz; 20dBMinf0+/-50MHz; 30dB Minf0+/-100MHz VSWR?2.0 DC Voltage?V??2.7/3.0/3.3/5.0/3.0to 5.0etc. DC Current?mA??11 Max ?iii?Mechanical Weight?gram??110 Size?mm???46 ?4.5 CableLength?m??3 Connector?SMA straight male Mounting?Screw mount Housing?Black ?iv?Environmental Working Temp?-40?~+85? Storage Temp?-45?~+100? Vibration?Sine sweep 1g(0-p)10~50~10Hz each axis Humidity?Humidity95%~100%RH Weatherproof?100%Waterproof