PCIe v.1.2 HMC (Half MiniCard H2 Type) specification. 

Bluetooth spec. v.2.1 plus EDR (Enhanced Data Rate) and 3.0+HS (High Speed) compliant.

WLAN 802.11n , 1x1. 

I/O:  PCIe for WLAN, and USB bus interface for BT. 

2* RF connectors for external 2.4G antennas.