Handheld Receiver (PTM3000) is a panoramic measuring receiver for radio monitoring,signal demodulation and direction finding. A Software package is used for panoramic (spectrum) analysis, radio signal analysis and detection as well as direction, finding, based on Android OS.

Using the PTM3000 this method (along with HADF30500) makes sense when the source of the signal is expected to be nearby (Last Mile ask) that is very easy to use inside buildings. It has proven to be an effective solution in environments subject to the manual bearing result which is presented as a bar graph. The tone function in the significant reflections