I got top notch FA antenna gain +6from Wifi expert on eBay and I am about to set the filter amp for +12 gain.
I moved to PI2 to use one usb to power the filter amp using one free port (consume 60ma).
I need to get a MINI usb cable tonight and I will reclaim the device.
I live in ground floor level in city… I know this is not optimised, but I train to move the setup in November to Eastern France where I expect more efficient capture.
EDIT: new device reclaim, but I wonder why I did not claim the device under wifi, I wouldn’t have this problem today.
I tried for a bit to spoof the mac address but I failed and rolled back. It makes like a new device, fresh start, with pre-amp filter, I am looking forward for improvements.