Power input | DC 12~24V Maximum operating current, 2000mA |
temperature | Industrial grade: - 40~65℃ Storage temperature range——40~85℃ |
network interface | 10/100M basic adaptive Ethernet interface Support IPv4 SIP, TCP/IP, UDP, RTP, DHCP, HTTP |
Microphone/line input | Typical amplitude 1000mvrms, signal-to-noise ratio 95dB Frequency response: 20 Hz … 20 kHz (-3 dB) Dynamic range: 90dB, signal-to-noise ratio -90dB, THD<0.05% |
Line out output | Load 10K Ω, typical value 1000vrms, Signal-to-noise ratio 95dB (playback mode) |
RL line input | local amplified input, Typical amplitude 1000mvrms, Signal-to-noise ratio 95 decibels |
Amplifier output | Output power 2*15W or 1*40W |
bidirectional mode (intercom mode) | AEC (linear and non-linear) 8kHz sampling, ADPCM encoding. Minimum delay 80ms |
decoding method (play mode) | Waveform (PCM + ima ADPCM) mp3 G.711 a/u, G.722 and other formats. (Provides stereo playback, maximum 48Khz, 320kbps audio stream Minimum delay 50ms) |
encoding method (recording mode) | G.711a/u, G.722 Minimum delay 30ms |
Control serial interface | Baud rate 115.2kbps |
Universal input and output interface | 4 channels of general IO, including 2 channels of input and 2 channels of output |
Universal serial port | Support transparent transmission, baud rate 2400-115.2kbps, 7,8 data bits, 1,2 stop bits, none, even, odd, space, mark check |
Module size | Length×width×height: 57×57×17mm |