Model:OBT-9811 Model of POE standard:IEEE802.3at(POE plus) Audio format:mp3 Audio model:16 digit stereo CD tone Standby Power Consumption:<3W Video Codec:H.264BP/MP/HP Transmit speed:10Mbps/100Mbps Communication interface:RJ45 Communication protocol:TCP/IP,UDP,DHCP,SIP Sample rate:8K~48K Bitrate:8K~768Kbps Frequency response:20Hz~20KHz+/-1dB S/N ratio:65dB Working Temperature:-10° - 60° Workin Humidity:<90% Power Supply:DC12V 1A Dimensions(L * W* H):2000x200x200mm   FEATURE through the software, two-way intercom broadcast call; With public broadcasting functions: regular ringing, paging to find people, fire alarm, broadcast notification; With sound and light warning light, it can be controlled by the monitoring center to flash, and the camera can be built-in; Built-in digital power amplifier module, which can be connected with sound column or horn; Using digital audio processing technology, echo suppression, can achieve high-definition video and voice; Confidential call, special audio coding format, encryption processing, to prevent eavesdropping, one-key help, simple operation; Support cross-VLAN or Layer 3 routing; The transmission distance is infinitely extended, and intercom can be realized where there is a network, and a wider range of informa     Shenzhen OBTPA Technology Co., Ltd(www.obtsys.com) is a company which integrates research & development, manufacture and sales. It stands out of the high-tech industry realm of public address system among other competitors. Our company has been always adhering to the business philosophy of continuous innovation and creating value from customers since 1999 when the company established, hence a various of products has been successfully used in the big famous events such as the Olympic Games, World Expo, Asian Games, etc. these achievements make us gain a various of patents and establish a good brand image in the industry. All products have assed CE, FCC certificates, and the “OBT” brand trademark has been registered in the European Union, the United States and Japan. Our company has always focused on the innovative development of audio and video applications. Its products cover analog PA system, digital PA system, SIP video PA system, POE network audio speaker, professional audio speaker, paperless conferences, video conferences and other products, after more than 20 years of development, we have independent research and development, production and application design capabilities, can well solve the compatibility, reliability and advanced issues of communication, emergency, command and other issues. Products are widely used in the safe cities, smart parks, smart campuses, smart hospitals, and smart stations and other fields, successfully established a good brand image—OBT. We are committed to developing into a world-class video integration PA system manufacturer. Company Panorama：https://world-port.made-in-china.com/viewVR?comId=OMHJKoTbABc