I do not have an 80+ mm mortar in Enlisted so I do not know how effective they are and I have not seen them in action myself so far, this video is interesting however:
“# 82MM Mortar VS Tanks🔥| Enlisted”
As to the small mortars (60 mm and less), the paratroopers are by far the most effective squads with the small mortars currently in Enlisted because of the large amount of ammo they carry. The regular mortar squads should get the same amount of ammo as the paratrooper squads currently have in Enlisted. Currently the regular mortar squads simply do not have enough ammo and need to resupply too many times to be as effective as the paratrooper mortar squads.
Mortars can be very useful in Enlisted, but one must learn how to handle them properly. It comes down to practice, practice, practice as well as spotting at range (with field glasses), timing, placing markers on the map yourself to be able to hit areas of interest, if the map has open ground objectives and choke points.
Mortars can turn a match that is being lost or won both with their HE and with their smoke rounds, but in my opinion this ONLY applies to the paratrooper squad mortars because of the large amount of mortar ammo they carry.
The main versatility of the mortars is that they can fire immediately and their rounds arrive fairly fast on target almost anywhere on the map. In that respect they are much more versatile than the off map artillery in Enlisted. They certainly are more useful than calling in an airstrike.
It would be an improvement if the ammo crates would resupply BOTH smoke and HE mortar rounds at the same time and not only HE rounds (first) and smoke rounds (second) as it is now. Currently if you need to resupply HE mortars rounds you need an ammo crate and if you want to resupply smoke mortar rounds you need another ammo crate. That means when you use mortars you also need an engineer and you need that engineer to deploy several ammo crates.
All this takes time and takes you out of the fight. Compare that to aircraft and vehicles in Enlisted that can magically resupply ALL their ordnance just by moving towards a point on the map. Mortars should be able to also resupply their ammo just like vehicles do: by moving to the same resupply point that the vehicles use. This would also eliminate the problem that ammo crates are instantly emptied by mortar users.
Currently a really bad issue with mortars, especially for German paratroopers and particularly for the German paratroopers that have only 60 rounds of FG 42 ammo, is that if you need to resupply the ammo of your main firearm, doing so will immediately empty the ammo crate for everyone else, including for all other soldiers in your squad.
It is also more than a little irritating to deploy an ammo crate and see it immediately emptied by a mortar user when you badly need to resupply your main firearm from your own ammo crate.
On a side note friendly players should also not be able to deconstruct friendly ammo crates, I cannot count the number of times a friendly player deconstructed ammo crates that I deployed and which I badly needed to resupply my main firearm. Currently friendly players can no longer deconstruct friendly rally points and neither should they be able to deconstruct friendly ammo crates.