The STR FBD05-AS AirStream 2.1 Channel (Master Hub) is a robust module that can be easily used on its own or integrated into any existing host product. The module receives a stereo channel of analogue input and converts it into a wireless 2.1 channel digital audio stream.  The module provides 16 bit/ 44.1/48 KHz uncompressed audio streaming. It uses a number of RF channels in the 2.4GHz band for lossless audio transmission. The STR FBD05-AS is designed to be paired with the 3units of AirStream slave units, which will receive and decode the digital stream for the left, right and sub-woofer channels respectively

RF Interface: 2.4GHz ISM Band 
Audio Input (Master): Stereo Audio input
Max simultaneous channel: 3 channel 
Coverage distance: Aprox. 20m
Firmware: Unified Convergence (UC) Platform 
Antenna: Chip Antenna