What is an unidirectional and omnidirectional antenna? - Quora
Directional antenna - Wikipedia
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I'm in a dilemma. Is a unidirectional or omnidirectional antena in my case better? What do you think? Thanks for taking your precious time. : r/HeliumNetwork
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SAMSON PA1 Active Unidirectional Wireless Antenna Pair for 470–980Mhz Frequency | eBay