https://community.tp-link.com/en/home/threads/topic/731004
Install 5G External Antennas on Archer and Deco 5G Routers - Home Network Community
We understand that customers may have queries about the external antenna on TP-Link mobile routers and may wish to explore replacement options. This article...
external antennas
https://yuncore.en.made-in-china.com/product/XwQAoyPgHaGW/China-11AC-1200Mbps-Wireless-Desktop-Router-with-4-External-Antennas.html
11AC 1200Mbps Wireless Desktop Router with 4 External Antennas - WiFi Router and Wireless Router...
11AC 1200Mbps Wireless Desktop Router with 4 External Antennas, Find Details and Price about WiFi Router Wireless Router from 11AC 1200Mbps Wireless Desktop...
wireless desktopexternal antennasrouter
https://onlinedocs.microchip.com/oxy/GUID-E909A2D0-6E97-4A98-96F6-DB63AFC57E82-en-US-3/GUID-634B8399-1F0F-4B35-BAF1-E73073505C6E.html
9.1 Approved External Antennas
The device is tested and approved for use with the antenna types listed in the following table. The device may be integrated with other custom design antennas...
approvedexternalantennas