Cornet ED75 ---- $132.⁹⁰ (free shipping)
An RF/LF meter for up to 6GHz/10KHz

Ideal for determine safe distance from RF sources
such as Wi-Fi wireless routers, cellphone towers, microwaves and wireless phones and LF sources such as power lines, transformers and appliances.
Clear LCD display, histogram and Led display make it very easy to use. Measure and detect wireless networks, wireless phones, Spy camera and bug detector, microwave oven leakage, cellphone towers and other RF sources.
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Cornet ED85EX ---- $178⁹⁰  (free shipping)
An RF meter for up to 8GHz

capable of measuring the electromagnetic field radiation intensity that is produced from electric transmission, equipment, lower line, microwave oven, air conditioner, refrigerator, computer monitor, video/audio device and so forth.

Details...