Extech Instruments 480846 8GHz RF Electromagnetic Field Strength Meter

Amazon

Monitors high frequency radiation in the 10MHz to 8GHz frequency range Electromagnetic field strength measurement Mobile phone base station antenna radiation measurement RF power measurement for transmitters Wireless LAN (Wi-Fi) detection/installation

Test-meter.co.uk

Extech 480846 broadband RF/EMF metre. Measures 10MHz-8GHz radiation. Triaxial probe, max hold/average functions. Detects mobile, Wi-Fi, microwave radiation. Ideal for electromagnetic field strength analysis in various environments.