AVMATRIX 1x2 12G-SDI Reclocking Signal Repeater (SD1121-12G) Recorder Monitor The Sennheiser Spectera SEK 1G4

The Sennheiser Spectera SEK 1G4 is a replacement antenna for the Spectera SEK 1G4 bodypack

which is further expanded thanks to the included light stand adapter

That's called a graphic wipe and it's often used in sports broadcasting

Hollyland MELO P1 Interchangeable Cardioid Dynamic Microphone Capsule (Space Gray)

or boosters

AVMATRIX 1x2 12G-SDI Reclocking Signal Repeater (SD1121-12G) Recorder Monitor The Sennheiser Spectera SEK 1G4Key Features 1 x 12G 6G 3G HD SD SDI BNC Input 2 x 12G 6G 3G HD SD SDI BNC Outputs Auto Detects up to 12G SDI Input Signal Equalization and Reclocking DVB ASI Signal Support Ancillary Data and Audio Pass Through Detachable Bracket Design Includes 5V Power Adapter Distribute up to a 12G SDI video input signal to two outputs with the AVMATRIX 1x2 12G SDI Reclocking Signal Repeater for optimal transmission in broadcast control room applications. One BNC