Not all RPGs are the same you know,theres a literal world of difference between the various members of the RPG family.
The RPG launcher that hamas is using looks to be a locally produced copy of the RPG 2,however its not so much the launcher but the round that its firing thats the most important thing,and in this case we see a locally produced round that bears a striking similarity to the RPG-29 and PG-7VR tandem warhead rounds.
https://www.militarytoday.com/firearms/yasin.htm
These rounds pack a real punch.The RPG-29,along with the Kornet atgm,developed a nasty reputation during the 2006 israel-lebanon war