Sonocrypt message encryption (optional)
The durable SPECO SA5P is a 20W 4" Dual Tone Alarm Siren which is ideal for "under the hood" installation and has a 750mA current draw
Dial Pulse Terminate (DPT) mode emulates central office side of Direct Inward Dial (DID) trunk
8 ohm speaker with talkback
It is for use in Crimping Color-Coded Copper Lugs And Splices
Telematrix 3500MWD, 3500 Series USB – Analog Corded, 1 Line, Cool Gray, Part# 35A510S10DU HDA-DO2M80VF-W Sonocrypt message encryption (optional)The modern Telematrix 35A510S10DU 3500MWD is a part of the 3500 Series USB Analog Corded with 1 Line, 10GSK, MW, Speaker 1 USB in Cool Gray. Features: Available in 1 or 2 line configurations USB charging port optional Speakerphone or non speakerphone 0, 3, 5 or 10 programmable Guest Service Keys Patented OneTouch voice mail retrieval technology Dual Neon LED message waiting light SIP Standard voicemail messaging (VoIP phones) LED indicator lights for