The AirPair APX-104E/108E delivers a standards compliant N x T1/E1 port extension capability to Ethernet platforms including the industry leading AirPair High Capacity Wireless Ethernet Bridge. APX-104E/108E supports 4/8 x T1/E1 ports and 6 x Ethernet ports and an Ethernet clock port for multiple APX-104E/108E modules can be cascaded or stacked using a third party Ethernet switch. The APX-104E/108E provides service adaptation to seamlessly transport T1/E1 traffic over native Wireless Ethernet platform, enabling Service Providers a seamless migration to native IP networks while still supporting legacy TDM services.  Applications of the APX-104 include:
- Inter-building PBX Extension
- MSO Voice and Data Services
- Cellular BTS Interconnect
- Telco Trunking
In addition to supporting end-to-end connections that are transparent to all signaling protocols, the APX-104E/108E automatically prioritizes synchronous data over packet data using 802.1P, therefore ensuring voice quality is maintained across the wireless connection. | 
