IRLP Node 7771 (Portable) The Node 7771 is a portable node connected through the AT&T 4G LTE Network. It is used mostly for experimental tests or for portable deployment. The hardware is a Raspberry Pi 2 running raspbian and a WCDMA Sierra 4G LTE air card. Node 7771 Status Your browser does not support inline frames or is currently configured not to display inline frames. April 22, 2015 fpuig