Rokland Technologies : ALFA AWUS1900 802.11ac 1900 Mbps Dual band 2.4/5 GHz Wi-Fi USB Adapter AC1900
ALFA AWUS1900 802.11ac 1900 Mbps Dual band 2.4/5 GHz Wi-Fi USB Adapter AC1900 : $56.97 
ALFA AWUS1900 is a new quad antenna 802.11ac Wi-Fi USB receiver boasting router connection speeds of up to 1900 Mbps (1300 Mbps for 5 GHz + 600 Mbps for 2.4 GHz). It is compatible with Microsoft Windows 7, 8/8.1, and Windows 10. This connects to your computer's USB port with enclosed USB 3.0 cable and boosts the Wi-Fi performance of that specific PC. This is not a router or repeater.
Its four transmit/four receive (4T4R) dual-band antenna technology allows utilization of both 2.4 and 5 GHz radio bands on 802.11ac routers for a combined max connect rate of 1900 Mbps.
The antennas can be detached and extended or upgraded (extension requires optional coaxial cable extension not included in retail box).
What comes in the box:
1x ALFA AWUS1900 USB adapter
4x dual band 5 dBi gain RP-SMA antenna
1x USB 3.0 USB cable
1x clip (can be used to clip to some laptop bezel)
1x installation DVD-ROM (driver available online if PC has no DVD drive)
SHIPPING :
Shipping cutoff times vary based on shipping method and order load. Currently, orders with expedited shipping placed before 3PM EST on a weekday will ship that day. Free standard shipping orders ship within 1 business day.
RETURNS :
Most items purchased at Rokland LLC come with a 30 day return period. Returned items must be in like new/sellable condition.
