Hostless broadcast multipoint intercom system

Annoyed. When the caller shouts, you can hear your shouting on other extensions. The person who hears can pick up the hand microphone on the phone or press the call key to perform full-duplex talkback with the caller. When he picks up the hand microphone or presses the call key to talk, he can also hear his speech. sound.

Power up to 20W. Anti-noise capability up to 120DB (requires an external tweeter). The main line transmission distance can reach about 3 kilometers. The microphones are made of high noise-resistant industrial handsets and microphones. Makes no leakage in any noisy environment. Ensure safe production.

Second, the scope of application is particularly suitable for factory loudspeaker intercom, industrial production lines, assembly line call intercom and other occasions. The same applies to the needs of the hotel kitchen, metallurgy, chemicals, terminals, electricity, banks, hospitals, etc. need to amplify call intercom, and can be customized according to the actual needs of customers.

Third, the main features:

1, easy to use, the phone does not need to connect with the switch to use, non-type phone and communication device can not be connected to use.

2, the wiring is simple, using the host and the host in parallel, that is, a pair of lines can be connected in parallel with more than one telephone (can be connected to 100 units), the cable can use the common video line in the market.

3, simple operation Just press the call button, the called person can pick up the handle (microphone) to speak with the caller, and the loudspeaker is turned off.

4. The handle adopts anti-noise design and can be used in harsh environment such as loud noise 5, PA power 15 watts, sound gain 120DB.

6. The volume can be adjusted to suit different occasions.

SDIC

Sodium Dichloroisocyanurate (SDIC) widely applied for the sterilization of swimming pool and drinking water, or fighting against infectious diseases, or act as disinfectant in raising silkworm, livestock, poultry and fish. Other applications of SDIC are found in wool shrinkage, textile bleaching, and industrial circulating water cleaning. SDIC is normally supplied in powder and granular, tablets are also available on request. Stabilised chlorine granular (dichlor) are used very widely to chlorinate swimming pool water. The product has high efficiency and constant performance and has no harm to human beings.

Pool Sterilization SDIC,SDIC 50%,Sodium Dichloroisocyanurate,SDIC Tablets

HENAN JINHE INDUSTRY CO.,LTD , https://www.hntitaniumdioxide.com