The Light and Electromagnetic Radiation Measurement range from RS is certain to have what you need. You'll find light and solar power meters, UV testers, gaussmeters plus microwave and emission detectors from top brands like Testo and ISO-TECH.
New ISOTECH Spectrum Analyser ISA730
The new ISO-TECH 3GHz Spectrum Analyser ISA-730 has been developed to meet the needs of RF communications and education. ISA-730 is a spectrum analyser with a full set of functions and combines with the training kit to provide you with an economical turn-key solution for 3GHz RF and communications.