Probably just the same PCBA is used in both products.

The board sticker says RBcAPL-2nD, purchased last week.
Images:
https://linx.wot.lv/ui8u8s77.jpg
https://linx.wot.lv/131eo61b.jpg

I tested cAP lite with a cheap Extra Link EUROS V2 and Ubiquiti US-8-150 (both are 802.3af/at compliant), with two cables.

wAP ac connected to the same port/cable powered up correctly.

When powered from passive POE, cAP lite worked fine.

The following page lists 802.3af/at PoE support for cAP lite: https://mikrotik.com/product/RBcAPL-2nD-307 When taking a look at the hardware, I didn't see the typical components I expected to see for 802.3af/at PoE support (negotiation chip, transformer), so I was curious how can it support "th...

I had identical issue with LTE18 router with default configuration by LMT technician.

In my case the ssh sessions started working when SSH client is started with -o IPQoS=0 option. I've disabled the IPQoS in /etc/ssh_config for now.