EDUP Mini b / g Adapter with RP-SMA connector (RT2070)

relevant dmesg portion
[414617.139201] usb 1-1.2: new high-speed USB device number 49 using ehci-pci [414617.266104] usb 1-1.2: New USB device found, idVendor=148f, idProduct=2070 [414617.266122] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [414617.266131] usb 1-1.2: Product: 802.11 g WLAN [414617.266140] usb 1-1.2: Manufacturer: Ralink [414617.266148] usb 1-1.2: SerialNumber: 1.0 [414617.359008] usb 1-1.2: reset high-speed USB device number 49 using ehci-pci [414617.478653] ieee80211 phy27: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected [414617.509626] ieee80211 phy27: rt2x00_set_rf: Info - RF chipset 0005 detected [414617.510630] ieee80211 phy27: Selected rate control algorithm 'minstrel_ht' [414618.702143] ieee80211 phy27: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin' [414618.702220] ieee80211 phy27: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.33 [414619.059608] IPv6: ADDRCONF(NETDEV_UP): wlan101: link is not ready