Uplink LTE30ATT LTE AT&T Alarm Communicator features full event reporting for use as a primary communicator. Offering dial capture and smart siren/bell sampling to detect burglary or fire conditions, the device enables universal compatibility with almost every alarm system. The LTE30ATT communicates by dialup (POTS) to an industry standard receiver, or over the internet (IP receiver) to any central station — all with the exceptional service and features you’ve come to expect from Uplink, the leading supplier of wireless security solutions.