B&B Laboratory Corp. displayed a wireless video door phone that comes with a wireless indoor unit. The wireless indoor unit has 7-inch TFT display with 800×480 pixel resolution. The system supports clear two-way audio communication by using DSP echo cancellation technology. It can be applied for baby and elderly care.
The intercom system supports up to 100 meters of operation distance. The product supports video-based motion detection unlike those using PIR detection. It automatically takes photo and records video when motion is detected.
The system includes a lithium rechargeable battery. The SD card is supported for local storage of up to 32GB size, for around 60 to 130 hours of video recording. To avoid interference from other 2.4GHz devices like WLAN router, microwave and cordless phone, the product supports intelligent frequency hopping from 2.4GHz to 2.4835GHz to change RF channel automatically.