What type repeater is most suitable for wireless transmission in an institution?

extend a Wi-Fi signal, they can be tricky to set up, can cause interference with the signal, and can be expensive. Also, don’t confuse the two, as they are different devices. A repeater repeats an existing wireless network. This means repeating the encryption and SSID. so you don’t have to log into another Wi-Fi network. An extender extends an existing network using a different SSID, which will require its own login. These days, Extenders are more common. We've tested several that do a wonderful job at covering "dead zones," including

 D-Link’s Wi-Fi Dual Band Range Extender (DAP-) and Amped Wireless’ High PowermW Dual Band AC Wi-Fi Range Extender (REA).

I always see wireless repeaters is a bad idea.

repeating a wireless signal will cut the speed into half immediately! let a side the required ratio of overlap with repeated signal.

For an institution, I'd recommend going for access-points functionality instead of wireless repeaters.

TP link  is the best and suitable

put an accesspoint witha centralized authentication authorization and accounting server and add accesspoints were the signal is weak authenticated by the same server.