AIRETOS AEH-AR9462-LC Combo WiFi & Bluetooth 4.0 module, 802.11abgN Dual Band, 2T/2R Mini PCI-Express Half-Size Module, Atheros AR9462 chipset - Reference Design WB222 (AR5B22) Single Combo Wireless + BT 4.0 coexistence Chip, Half Size Mini PCIe / USB Module Two antenna connectors for MIMO 2Tx2R (2 Transmit &amp; 2 Receive) technology Dual Band (DB) 2.4Ghz + 5 Ghz wireless connection up to 300Mbps Lowest (best-in-class) power consumption & Support for DirectConnect (WiFi-Direct_ ) Modular World Regulatory Certification (50+ domain