Audio RF needs?

High quality audio RF needs? Our Sennheiser rental stock consists of multiple pieces:
- EM 3732-II 19″ receiver
- EK 6042 in camera receiver
- GA 6042-R 19″ housing for EK 6042’s
- SKM 5200-II handheld transmitter with Neumann KK105 capsule
- SK 5212-II beltpack transmitter
- …
4K off the shelf: AW-UE150 available in black and white

10x AW-UE150K (black)
6x AW-UE150W (white)