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VoIP Emergency Telephone Control board

VoIP Emergency Telephone Control board

Product model:VoIP KN519C

VoIP Emergency Telephone Control board KN519C is the main board specially designed for Emergency call two-way visual Telephone. The motherboard is a combination of telephone and remote video. It includes main control unit, digital signal processing unit, internal bus and Ethernet interface and E1/ analog telephone line access port.
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VoIP Emergency Telephone  Control board

VoIP KN519C Emergency Telephone
   Working at -40℃-+70℃ hazardous pure industrial environment
   4 ~100 I/O output and input for external control
   Support WAN/LAN, Duplex Intercom,Echo Cancellation,Upgrade Online
   With Camera optional
   With TFT display and Camera optional
   Web page up to 50+ IP station group/direct call without IPPBX
   Adjustable sound volume
   IP address Sound reporting or LCD display
   Door phone RFID card reader available upon request
   Board cast amplifier for paging option
   CCTV trigger available
   SIP 2.0 and private protocol
   5 years warranty
   1.Industrial PCB, supports working at -40 °C + 75 °C
   2.7" digital TFT-LCD display screen
   3.HD voice with high quality headset/HD voice in speakerphone mode
   4.Support 3 SIP account as backup and supports log in different server.
   5.Supports TR069 (Optoin)
   6.Supports dry contact. (Optoin)
   7.Incoming calling ring, customized the time
   8.FTP uploading
   9.Support intercom setting. Remote/local/password to open the door
   10.Customized face recognition
   11.Echo cancellation
 TFT Screen features 
   Voice Codecs: G.711a/u, G.7231 high/low, G.729a/b, G.722, G.726, iLBC, AMR-NB; AMR-WB
   Video codecs:H.263, H264, MPEG4 Video resolution: QCIF,CIF,QVGA
   Photo Format: PEG GIF and BMP PNG Video formats: MP4, 3 GP and FLV
   Echo cancellation: G.168 compatible with the LEC, including hands-free(AEC)
   VGS, VAD,CNG,Jitter buffer Speakerphone full-duplex
   Possibility of registering a domain or implementation of SIP calls Peer to peer
   Support for STUN Support for the SIP SMS Adjusting the volume in all modes (headset/ hands-free/ headset wire/ bell) Contrast : 1000 : 1
   Brightness : 450cd/m²
   Viewing Angle : 178 degrees horizontal / 178 degrees vertical (at contrast ratio 10:1)
   Screen orientation Portrait instead of landscape.
 Spe of Built-in induction loop(Option) 
   With induction loop coverage 1M radius.
   Supply voltage: 12V DC
   Max operation current: 3A
   Inputs: internal electret microphone, suitable line level/second microphone
   Microphone: sensitivity: 66Dbm to -2dbm Bandwidth 50Hz to 20Khz
   Overail Performance: bandwidth at any output level 50hz to 15khz Distortion:<0.5% TGD@1KHZ
   DYNAMIC RANGE:>90db Noise:<-86db cmrr:="">84DB
   Coverage(internal loop)1m radius Input level control Mic:-40+40db
   Power output: current0.8ARMS @1KHZ 3.0apeak
   Quality: Tested to and conforms with BS7594 and BS6.83 PART 4, en60118-4
   Power consumption: standby 25ma (0.04w) Maximum in use 1.5A(9W)

Memory 64MByte DDR2
Flash 4MByte
Connection 1 x Reset button(Reset & Factory Defaults)
2 x 10/100
1 x Power DC Jack
Data rate 11b: 11M, 5.5M, 2M, 1Mbps
11g: 54M,48M,36M,24M,18M,12M,9M,6Mbps
11n: 6.5M,13M,13.5M,19.5M, 26M, 27M, 39M, 40.5M, 52M, 54M
58.5M, 65M, 81M, 108M, 121.5M, 135M, 150Mbps
Transmission mode DSSS
Standard IEEE802.11n,  IEEE802.11g,    IEEE802.11b,  IEEE802.3U
Frequency domain 2412—2472MHz
Power consumption 5W
Power supply 12V/1A
  EN55022: emissions EN55024: immunity
  Ingress Protection: GB4208-93 IP66 FCC ITU-T Recommendations K21
  EMC: EN50121(Railway application-Electromagnetic Compatibility)
  Unit size:20*10*10cm Unit: N.W: 0.4KG
  150pcs packing box size: 59*47*46cm Unit N.W: 60KG Unit G.W:63KG