1st Pic.
This is an F connector adapter, perfect for connecting various audio and video devices. Durable and easy to use.
a 300 Ohm to 75 Ohm Antenna Matching Transformer
It converts an older flat twin-lead 300-ohm antenna wire (connected via the screw terminals) into a standard coaxial 75-ohm plug.
This lets you connect older TV or FM wire antennas to modern coaxial receiver jack.
2nd pic
LG TV signal filter antenna adapter, which is a 90-degree right-angle PAL coaxial connector used for television aerial cables.
Pic 3:
This item is a fluorescent tube starter used to help ignite traditional fluorescent lights.