At country house where we usually spend weekends gsm/umts network coverage is very poor, even voice jumps on and off, leave alone data. So in a course of trying to get my dose of internet while in this operator forsaken place I built a discone antenna that is known for it’s broadband properties. First tests while in good coverage area show that antenna works and works better than built in thingie of Huawei E1752, real tests will be conducted on weekend. As a backup, I purchased professionally made 9dBi log periodic that covers all frequencies in question.
Link to online discone antenna design tool
and image of antenna I built –
tests in very poor coverage conditions prove that antenna works and works good, while my HTC Desire barely has connection at all and even making voice calls is almost impossible, internet connection using Huawei E1752 usb modem and discone antenna has stable 3G/HSDPA connection.
got return loss plot back from friend at http://www.saftehnika.com/:
what this plot essentially means – my antenna has VSWR under 1.5:1 in gsm/umts range and is absolutely suitable for transmission.
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