MA-7 is the most compact GPS antenna available on the current market. The device's state-of-the-art technology allows for miniature without compromising its performance. With good coverage almost all the way to the horizon, it performs excellently in foliage or urban canyon environment -- even in the presence of electromagnetic interference! Featuring diminutive and rugged enclosure and unparalleled performance, MA-7 is compatible with almost every GPS receiver model on the markets and provides an excellent alternative for a vast range of GPS applications including AVL, Vehicle Navigation, Aviation, and Military. Features: ．Diminutive & rugged construction allows for military and other applications demanding high degree of confidentiality. ．Ultra-high sensitivity. ．Module board available for embedded applications. ．Various colors upon request. ．Ideal for PDA, HPC, and other computing devices in GPS applications. ．Fully weatherproof. ．Excellent temperature stability. Applications: ．Car Navigation ．AVL ．Vehicle Tracking ．Weather Balloon ．Security Surveillance ．External Antenna for Handheld ．Avionics GPS Antenna ．External Antenna for Battery-Operated Handheld Receivers Specification: Physical Construction Constructions:Polycarbonate radome / metal base Dimension:36.63mm(Dia) x 12.82mm(H) Weight:50grams (less cable & connector) Color of Radome:Standard in dark gray, other colors available upon request Standard Mounting:Magnet or screw mount Antenna Element Center Frequency:1575.42 MHz +/- 1.023MHz Polarization:R.H.C.P. Absolute Gain @ Zenith:+5 dBi typical. Gain @ 10o Elevation:-1 dBi typical. Axial Ratio:3dBi max. Output VSWR:1.5 max. Output Impedance:50 ohm Low Noise Amplifier Center Frequency:1575.42MHz +/- 1.023 MHz Power Gain:28 dB typically Bandwidth:2 MHz min. Noise Figure:1.5 max. Outer Band Attenuation:20dB min. @ FO +/- 50MHz Supply Voltages:+2.5 ~ 5.5V DC Current Consumption:11 mA +/-2 mA VSWR:1.5 max. Output Impedance:50 ohm Cable & Connector RF Cable:3 meter RG174/U (standard) Pulling Strength:6 kg. /5sec with molded connector Connector Available:BNC, TNC, FME( to be adapted), GT5, MCX(OSX), SMA, SMB or SMC in straight or right angle type Optional Adapters:FME~MCX, FME~BNC, MFE~SMA, FME~SMB, FME~TNC Overall Performance(antenna element, LNA & coax cable) Center Frequency:1575.42 MHz. Gain:25dB min. Noise Figure:2.0 max. Bandwidth:2 MHz min. Axial Ratio:3 dB max. VSWR:1.5 max. Output Impedance:50 ohm Environmental Condition Operating Temperature:-30oC ~ +85oC Storage Temperature:-40oC~ +90oC. Relative Humidity:95% non-condensing. Water Resistance:100% waterproof.