Expiry date: 2009-03-11
Inbound and Outbound One-Line Caller ID Hardware

The UDB100 box is designed for the small business where phone calls are important to operations. It monitors >>

Expiry date: 2009-03-11
Professional wired voice monitor.

Low noise,low echo and clear speech.

Advanced omni-directional,electret condeser with built-in preamp.

Since adapt >>

Expiry date: 2009-03-31
Professional wired audio monitor in audio surveillance & audio monitoring market.

Low noise,low echo and clear speech.

Advanced omni-directional,electre >>

Expiry date: 2009-03-11
Professional wired voice monitor.

Low noise,low echo.

Omni-directional,electret condeser with built-in preamp.

Since adapt to dynamic state fall chi >>