If you need to boost the Internet connection in a building with two or more stories, then I believe that this is the best alternative available rather than a Wi-Fi repeater because it does not load up the primary Wi-Fi network in the same way.
TP Link TL WN823N 300Mbps Wireless Adaptor
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High Gain Wireless Network Adapter - TP-Link Nano USB Wifi Dongle with 150Mbps Speed for PC Desktops and Laptops. Compatible with Win10/8.1/8/7/XP Linux 2.6.18-4.4.3, Mac OS 10.9-10.15 (TL-WN722N)
46 Review
π ASUS USB-BT400 USB Bluetooth Dongle Receiver - Compatible with Laptops and PCs, Plug and Play for Windows 10/8/7/XP. Supports Printers, Phones, Headsets, Speakers, Keyboards, and Controllers in Black.
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πΆ TP-Link TL-WN822N USB Wifi Dongle - Ultra-Fast 300Mbps Wireless Network Adapter for PC/Laptops. Supports Multiple OS Including Win10/8/7/XP, Linux, and Mac OS 10.9-10.15!
27 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
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UGREEN USB 3.0 Ethernet Adapter Hub with RJ45: Fast Gigabit Ethernet Converter, 3 Ports USB 3.0 Hub Compatible for MacBook, iMac, Surface Pro, Chromebook, Laptop, PC
11 Review
π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
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π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
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