Features: 100% brand new high quality Made of high-quality materials for durability For EZ Guide 250 GPS Light Bar New GPS Antenna TNC Male 3 m Cable. Compact/low profile. Completely waterproof. Magnet and screw mount base. Excellent temperature stability. Low noise figure. High sensitivity. Application: car GPS, Bluetooth receiver, vehicle/car, tracking and navigation system, AVL/fleet management system, handheld GPS external antenna, PDA navigator external antenna. Product parameters: Center frequency 1575.42MHz3MHz V.S.W.R: 1.5:1 Bandwidth: 5 MHz Impedance: 50 ohms Peak gain: >3dBic based on 77cm ground plane Gain coverage: >-4dBic at 900+90 (over 75% volume) Polarization: RHCP LNA gain: (without cable) 28+/-3dB Noise figure: 1.5dB Typ. Filter out-of-band attenuation: f =1575.42MHz 7dB minimum f0+/-20MHZ 20dB minimum f0+/-50MHZ 30dB minimum f0+/-100MHZ V.S.W.R: