While the unit supports voice-operating duplex speech in hands-free mode, users can switch to simplex (push-to-talk style) using the . For full duplex private conversations, the unit can be paired with the optional VMP-221 Handset, which automatically disconnects the station’s built-in speaker when lifted. Common Applications
: Manually switches speech direction for simplex communication. Technical Specifications Operation Voltage Powered directly from the ACM exchange Cable Requirements Twisted 2 pairs, 0.5mm² with an outer screen Connections Standard screw terminals for simplified installation Frequency Range 300 – 5000 Hz Protection Class IP44 (splash-proof) Dimensions 125W x 280H x 35D mm Weight Operating Temp 5°C to 55°C Installation & Configuration vingtor vmp-430 user manual
: Features a built-in electret microphone and a 1.0W (63-ohm) loudspeaker with adjustable volume control for clear, hands-free open conversation. While the unit supports voice-operating duplex speech in