I buy these a lot and they work great. Do not buy if you are unfamiliar with routerOS or willing to learn and post on the mikrotik forums. They are not for novice users.
Mikrotik RouterBOARD 951Ui-2HnD RB951Ui-2HnD: High-Power 2.4Ghz Wireless AP with 5x10/100 Ports and OSL4
73 Review
Wi-Fi signal amplifier (repeater) TP-LINK TL-WA860RE, white
21 Review
Ubiquiti NanoStation locoM2 2.4GHz airMax 8dBi CPE - Indoor/Outdoor High Performance Wireless Device
30 Review
MikroTik Dual-Concurrent Access Point: hAP ac Lite RB952Ui-5ac2nD-US
79 Review
π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
4 Review
π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review
π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review
π Juiced Systems Silver BizHUB USB-C Multiport Gigabit HDMI Hub with 3 USB 3.0 Ports, Gigabit Ethernet, 4K HDMI, SD/Micro SD, and USB-C Power Delivery
11 Review