
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.

Bingfu Dual Band WiFi Antenna (2-Pack) for Ultimate Wireless Performance
11 Review

📶 Hawking HAI6SIP: Boost Your Wireless Signal Range with Hi-Gain 6dB Omni-Directional Antenna
9 Review

📶 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
9 Review

Asus RP-N12 N300 WLAN Repeater 🔁 802.11 B/G/N - Boost Your Wireless Range!
10 Review

🔌 HOYOKI 9 in 1 USB C Hub Adapter: Ethernet 1000Mbps, 4K HDMI, 3 USB 3.0 Ports, 5Gbps USB-C Data, 100W PD Thunderbolt 3, SD/TF Slots for MacBook, Dell XPS and More Type C Devices
6 Review

🔌 USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
4 Review

💻 MacBook Purgo Adapter 2020/2018/2016/2016
4 Review

🔌 Purgo USB-C Hub Adapter Dock for MacBook Air M1 2021-2018 and MacBook Pro M1 2021-2016 – 4K HDMI, 100W Power Delivery, 40Gbps Thunderbolt 3, 5K@60Hz, USB Type-C, 2 USB 3.0, SD/Micro Card Readers (Gold)
5 Review