The TW-EA511 is a very low cost yet high performance 3G / HSDPA router and PC card bundle from Amplicon. This combination of router and HSDPA PC card has been extensively tested by Amplicon and exhibits higher stability and reliability than most competitive products in its price bracket.

The product provides ADSL2+ connectivity with failover to 3G/HSDPA as well as Wifi and a 4 port Ethernet switch built in. Innovative software features such as watchdog timer and keep alive heartbeat make this product the ultimate solution for cellular connectivity in non-industrial environments.

Use the EA511 in conjunction with a Vianet SIM card to achieve easy bi-directional communications overcoming the problems associated with off the shelf SIM cards.

Click here to see an example of the type of systems that can be built.