1. StarsNav marine-25GPS antenna equips innovative, high quality, performance, RF protection circuit built-in to protect the active LNA and hight gain as well as value-added design at a wide range of power supplier from 3v ~ 12v for any kind of receivers.
2. Marine-25 GPS antenna is the ultimate performance for Marine and Networking application …etc and others who demand maximum performance and complete support. The unique and differential design for unprecedented levels of performance for any GPS applications.
Performance: 1. Receiving frequency: L1 band(1575MHz). 2. Output impedance: 50 ohms. 3. Polarization's: right hand circular (RHC). 4. Bandwidth: <50MHz. 5. VSWR: 1.8Typical @ 1575MHz. 6. Elev. angle coverage: 5~90 degree. 7. Az. bearing coverage: 360 degree. 8. Filtering: dual(BPF<50MHz B/W). 9. Over-all gain: 28dB (typical including 4dB cable loss & filter). 10. Over-all NF: <1.8dB@fo, 2dB max. 11. LNA characteristic: K=>1 Un-coditionally stable . 12. RF insertions loss: 0.1dB, leakage power 100m W/1 watt input Electrical: 1. Power input: +3Vdc to + 12Vdc input, autoSwitch. 2. Power consumption: 25mA. 3. Power unput sensor: reverse polarity short circuit shutdown. 4. Over-current sensor: thermal over-current shutdown >+150degreeC. Physical: 1. Dimensions: 79d x 58h x 13mm. 2. Mount: 13mm treaded (1/2inch). 3. Radome color: white. 4. Coax connector: BNC,SMA,TNC. 5. Coax cable: RG-58, RG-174, RG-316. Environmental: 1. Operating temperature: -30 to + 85 degreeC. 2. Storage: -40 to + 90 degreeC.