Bus 001 Device 003: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11nBus 001 Device 007: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
Is there a third adapter? If so, was it plugged when you executed 'lsusb'?
Bus 001 Device 003: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11nBus 001 Device 007: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
Is there a third adapter? If so, was it plugged when you executed 'lsusb'?