Detect Unwanted Radio Signals

I'm seeking an expert to identify and prove the frequency band and source of an unwarranted radio signal in my home. I suspect it might be coming from a radio tower or possibly through my cordless phone acting as an unknown receiver.

Requirements:
- Identify the specific frequency band of the unwanted signal
- Determine the exact source of the signal
- Assess the impact on my home environment

Skills and Experience:
- Expertise in radio frequency analysis
- Experience with signal detection equipment
- Knowledge of electronic devices and their interference patterns
- Ability to provide a detailed report of findings