Simply connect power plug to power socket in bottom of desktop jammer. Make sure the slots on both plug and socket are inosculated. Then screw on the nut is okay.
Desktop jammers including below 3 models:
JMF — desktop mobile phone jammer
GMW12 — desktop mobile & gps l1 jammer
UVJ01 –desktop 40watt UHF VHF radio jammer
Thank you, I have recently been searching for information about this topic for ages and yours is the best I have discovered so far.