WiFi antennas don't stay in place against gravity. I got no more use than a 5dBi antenna. Not sure if it really is a 12dbi antenna as it works well for connecting to the nearest router nearby. Long range antennas should not be connected to nearby routers due to their frequency range.
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Gadgets World FBA_ALFA ARSN19M OMNI Directional High Gain
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πΆ Proxicast Ultra Low Profile MIMO 3G / 4G / LTE Omni-Directional Screw-Mount Antenna for Verizon, AT&T, Sprint (and Others) Modems & Routers with SMA External Antenna Ports
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