Sennheiser SKM4031 Frequency Modification for VHF

I need a professional to change my Sennheiser SKM4031 (Manufactured 1982 - Fixed frequency) wireless microphone's frequency from 34.55 MHz to 173.7 – 175.1 MHz. This modification is necessary to ensure compliance with current regulations.

Ideal Skills:
- Expertise in audio equipment modification
- In-depth knowledge of VHF frequency range
- Understanding of regulatory compliance standards for wireless microphones

Please provide your experience with similar projects when bidding.