PSTN comference phone,have good quality support one year warranty. suitable for small meeting room. We can OEM and ODM .

1 Suitable for conference room within 30m2 and microphone covers 3m
2 With deep echo cancellation
3 Bidirectional noise suppression purifies voice signal from both parties
4 Hypercardioid directional microphone plus AGC
5 With Hi-fi audio amplifier
6 With rare-earth neodymium magnet speaker
7 With sonic clear patented voice processing technology
8 Compatible with PSTN analog network
9 Exterior color: dark gray
10 Power requirement: 110 to 240V AC,50/60Hz,15W
11 Network interface: RJ11 analog PBX or PSTN
12 Audio bandwidth: 300 to 3,400Hz
13 Reverberation time: <0.4s
14 Noise degree: <48dBA
15 Humidity: 20% to 85%