robert c how it works?

[jesus]

Can somebody tell me how it works rober c from okm ?. I have readed about this but i do not know what technology it uses . Is this a magnetometer, a gradiometer ? what principle is using ?. Thanks I will be happy with your answers because I do not want to lose a lot of money buying it.

[jesus]

Well, I believe after read www.igkelectronics.com. how this devices work. If there is only one class of electromagnetic pulse, this must be a pulse induction detector no more no less with a good software and a magnetometer. If I am wrong I will be happy hearing answers. Thanks.