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GA-770

Product catalog summary

General Specifications:
L1 frequency at 1575.42 MHz with a tolerance of +/- 1.023 MHz. The antenna features a typical LNA gain of 28 dB and a bandwidth of 20 MHz. The noise figure is capped at 2.0 max, and out-of-band attenuation is at least 40 dB at Fo +/- 40 MHz. Current consumption is 8mA +/- 1mA at 3.3 V.

Amplifier & Filter Specifications:
The element is right-hand circularly polarized (R.H.C.P.) with an absolute gain at zenith of +4 dB typically. It provides 360-degree azimuth coverage and a typical gain of -1 dB at 10-degree elevation. The axial ratio is a maximum of 2.5 dB, and the output VSWR is 1.5:1 max.

Physical Construction:
The antenna dimensions are 112 mm in diameter and 104 mm in height, weighing 500g with the cable. It is constructed from high-impact, corrosion-proof ABS, hermetically sealed, and fully waterproof. It is designed for pole mounting on a 1"-14 threaded mast.

Power and Connectivity:
Input power ranges from 3.3V to 10VDC with typical consumption at 8mA. The cable is a 10-meter RG58 C/U with a BNC type connector, with other types available optionally.

Environmental Conditions:
Operating temperature ranges from -30°C to +85°C, and storage temperature ranges from -40°C to +90°C. It can operate in up to 95% relative humidity, non-condensing.

Contact Information:
WENDEN RADIO CO., LTD., located at No.71 Tsueiheng N. Road, Kaohsiung 806, Taiwan. Phone: 886-7-8213101, Fax: 886-7-8418649, Website: www.wenden.com.tw, Email: [email protected].

Catalog excerpts

GA - 770 Marine GPS Antenna Specifications Element : Polarization : R.H.C.P. (Right Hand Circular Polarization) Absolute Gain @ Zenith : + 4 dB typically Azimuth Coverage : 360 degrees Gain @ 10 Elevation : - 1 dB typically Axial Ratio : 2.5 dB max. Output VSWR :1.5 : 1 max. Input power : 3.3V - 10VDC Consumption : 8mA watts typical Cable & Connector : Length : 10 meter RG58 C/U Connector : BNC type. Other types ( optional ) Physical Construction : Dimension : 112 mm diameter x 104 mm (H) Amplifier & Filter Weight : 500g with cable General : L1 frequency, 1575.42 Mhz +/- 1.023 MHz LNA Gain : 28 dB typically Bandwidth : 20 MHz Noise Figure : 2.0 max. Out-of-Band Attenuation : 40 dB min. @ Fo +/- 40Mhz Current Consumption : 8mA +/- 1mA @ 3.3 V Enclosure : High impact, corrosion-proof ABS Construction : Hermetically sealed & fully water proof Mounting : Pole mount to 1"-14 threaded mast Environmental Conditions : Operating Temperature : -30 C to + 85 C Storage Temperature : -40 C to + 90 C Operating Humidity : 95% RH, non-condensing Dimmensions : Side view For more information contact N0.71 Tsueiheng N. Road, Kaohsiung 806, TAIWAN TEL 886-7-8213101 FAX 886-7-8418649 http://www. wenden. com. tw E-Maill info@wenden. com. tw Printed in T aiwan

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GA-770

GA-770

Catalog excerpts

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