ip network intercom, broadcasting module E702T

Network audio board audio board E702T E702T network is based on a ARM + DSP architecture, focusing on network audio transmission control module with 10 / 100M Ethernet interface for unidirectional MP3 audio streaming and two-way voice transmission over the network. Serial expansion interface, to provide secondary development of dynamic libraries, facilitating the development of audio broadcasting, voice intercom and other applications. Features ■ ARM + DSP architecture based network remote firmware upgrade ■ ■ standard RJ45 network interface, support for cross-segment, cross-router ■ provide one line input, one Mic input ■ provides a stereo line output, used as an external PA ■ Provide 2W power amplifier output, which can be accessed 8 ohm 2W speaker ■ provide TTL serial URAT0, URAT1, URAT2 interfaces; SPI Interface ■ You can use the ip address, number, address book search functions ■ do network audio player terminals, intercom master terminal Board ■ may ■ two-way intercom call and do monitor terminals and other devices on the network, monitor network devices anywhere on an audio signal ■ metal case Technical specifications ■ Input voltage: DC 5V ■ Power: ■ Operating temperature: 0 ~ 65 ℃ ■ Network Interface: 10 / 100Base-TX adaptive network ■ Network Protocol: IP, ARP, ICMP, DHCP, UDP, DNS, IGMP, etc. ■ Audio Player: supports up to 48K sampling, 192Kbps stream; MPEG, ADPCM decoder ■ Audio Mining broadcast: Support ADPCM decoder, 8K ~ 32K sampling frequency domain optional microphone ■: 70 ~ 12.5KHz ■ Audio Output: 2W speaker output ■ Size: 90mm × 61mm × 15mm ■ Weight: ■ Size: