What is this signal (help me to decode)

[blue19824]

hello, the signal have two spikes(they didnt disappear, the two spikes have 25khz of bandwidth),what do you think?how to decode this?
ps: i try dsd+ dsd1.07 and no sound comes out from this signal
sound:

http://vocaroo.com/i/s139laczxCLb

[rtlsdrblog]

Probably a trunking control signal. Put it through Unitrunker and it should find what it is.

[blue19824]

i try unitrunker but nothing comes out i think i have to use a better antenna coz the signal helth shows 0