● Compliance with IEC 60914, GBT 15381-94 

● Adopt standard CAT5e with RJ45 connector as the connection cable, which is convenient for standardized engineering wiring installation and maintenance.  

● Full-digital transmission and processing technology in uncompressed audio, professional microphone to  achieve perfect sound quality at 20Hz ~ 20KHz; 

● With our HD PTZ camera and video matrix switcher, using RS485 or RS232 protocol to send the  PELCO/VISCA protocol to realize camera auto-tracking function 

● Precise cardioid directional microphone capsule with anti-wind microphone foam, with two-color LED  indicator 

● Button for MIC ON/OFF, Priority & Apply Answer button for chairman unit 

● Built-in high-fidelity speakers, it automatically mutes to prevent howling when press MIC ON 

● AGC (Automatic Gain Control)/AFC (Adaptive Feedback Cancellation)/ANC (Active Noise Cancellation)/ Mix (Auto-Mix) technology 

● Build-in functions for intercom 

●  Contains five optional function modules: 

    - Voting: three-button / two-button voting 

    - NFC identification: Sign in with NFC card to accurately identify user information. 

    - Simultaneous interpretation channel: There are 2 language channel selectors and each selector has 32 languages independent selection 

    - Dual users: Support two participants sharing one unit to achieve camera tracking at two locations; enabling  two delegates to vote on one unit 

● Without using PC software, our conference controller still owns following settings: 

   - Limit on the number of speaking persons: By Setting the number of active units at the same time  (Number is 1/2/4/6/ units) 

   - Discussion modes: 

   "OPEN" Free for all, limited by the active units setting by controller, "OVERRIDE" First in First out,  "VOICE" Can activate MIC by detecting sound without press button, "APPLY" To apply then to speak 

● The unit showing real time on the screen, and count-down timer for speaking person.  

● Combined with camera and camera tracking controller, it has an automatic camera tracking function. 

● Built-in MCU, support wired upgrade of all units. 

● With voice control function, you can adjust the sensitivity of voice control, intelligently turn on the  microphone and set the off time. 

● Hot plug-and-play, automatic recovery. 

● Support firmware upgrade via network, and support logo and function customization. 

● "Hand-in-hand-loop-network" connection and star connection makes the system more reliable. Replacement one unit and failure of cable will not affect the normal operation of other units in the system. 

● When used as the chairman unit, a variety of conference information can be displayed through the 4.3" touch  screen, such as agendas, speech request list, speaker information and speech timing or countdown, etc. At the  same time, it can start conference recording, stop recording, switch conference topics, request services, initiate  sign-in, and initiate voting. 

● When used as the delegate unit, through the 4.3" touch screen, it can display the speaking order from the speech  request list, the speaker's information, agendas, the speech time or countdown, and the service request. 

● When used as a VIP unit, the system can set up to 32 VIP delegate units. As long as the total number of  microphones already turned on in the system does not exceed 8, the VIP delegate unit can be turned on freely. 

● The 4.3-inch capacitive touch screen displays meeting information, such as agendas, speaker information,  speaker list, speech request list, speech timing, scheduled speech, current time and date, Chinese-English dual  language switch, unit version information query.