Introducing the Viking SP590 Board Only with Special Cable, a cutting-edge solution designed for seamless communication. This device features self-diagnostic reports sent directly to your email, ensuring optimal performance by testing the communication, microphone, speaker, and switch. Included is automatic polling and programming software for effortless setup. With 2 A relay contacts, you can easily control doors, gates, or SL-2 strobe lights. The SIP compatibility allows integration with various IP-PBX phone systems, while PoE power and Automatic Noise Canceling ensure clear operation even in noisy environments. Enjoy hands-free functionality and the durability of marine-grade 316 stainless steel, preventing corrosion. Programmable to dial up to 5 numbers, it cycles through backups on busy or no-answer situations and hangs up on busy signals or time-outs. Elevate your communication experience with the Viking SP590 – order yours today!