ISIS used[1] the X-UAV Talon. This is a off-the-shelf 1.7M wingspan drone plane available for about $150 without electronics (which are around $50-$200 depending on how elaborate you want to get).
It's capable of 100km+ flights[3].
Here's a pic of one after being shot down in Iraq[4]
https://dronecenter.bard.edu/files/2016/12/Drones-in-Iraq-an...