MAESTRO-1 PA telephone announcement adapter

PA telephone announcement adapter,;for connecting to a telephone system as an analogue AB extension line.;#Announcement facility for each telephone connected to the telephone system;#Automatic call acceptance;# Automatic disconnection;#Chime can be activated as required;#Integrated micro SD card (4 GB) for storing announcements (audio files in MP3 format or WAV format);#Analogue telephone connection (2-wire connection);#Connection via plug-in screw terminals;#Mini USB port for configuration of the MAESTRO-1 via PC or laptop;#Power is provided via enclosed plug-in power supply;#Supplied with USB cable;