Unit shows sark software. Cannot change freq step size. No battery or psu. Does calibrate ok . Seems to work ok with limited frequency adjustments on required bands. Overpriced . Gave feedback before testing . Not the best that's available.
this item that wasn't as described......
1. Selecting time out not working, even switch it off not working
2. Changing the Frequenz Step size not working,
hoe I can trust this Item ????