Hand-held base station antenna working parameter measuring device

The utility model provides a hand-held base station antenna work parameter measuring device comprising a device housing; the multi-frequency four-arm helical antenna is fixedly arranged outside the device shell; the PCB main control board is detachably and fixedly arranged in the device shell; the p...

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Bibliographische Detailangaben
Hauptverfasser:	XIE CHENXING, CHENG TAO, CAO YUMING, PANG PENGXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TARIFF METERING APPARATUS TESTING
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