Home / Voice Evacuation Systems / Telephones / Advanced AV-TEL2-SIB Advanced AV-TEL2-SIB Secondary Firefighter Phone Interface PCB Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: Advanced FireAlarm.com Part #: 11661 Categories: Telephones, Voice Evacuation Systems Manufacturer Part #: AV-TEL2-SIB Specifications Resources Information Weight 1.00 lbs Manufacturer Advanced Electronics Ltd. Brand Advanced Condition New Series AX Series Production Status Active