Hospital Nurse Call System Patient Call Button Electric Intercom Systems (THR-ND928)

Product DescriptionMain features:1.The host machine has 60 LED lights on the front panel which can show several calling numbers at the same time; the host machine is equipped with two high-brightness LED digital tube,which can automatically and orderly show the calling numbers,and information is shown clearly.2.Voice is loud and clear between the host and the extension machines,no any noise.3.lt is easy to change numbers online by changing the encoding chips which is PIC series 8-bit single chip microcontroller made by American Microchip Company, it has reliable performance.4.Stylish appearance, harmonious and beautiful colors; housing of the host and extension machines uses imported molds and materials.Main technical Parameters 1. the temperature of working environment:-10°C - 40°C2. Relative humidity: ≤80%3. voltage: 220VAC 50HZ4. bus voltage:24VDC5. static power: ∠20W6. standby current of extension: ≤250ua7. calling current of extension: ≤50ma8. system maximum capacity: 99 doors9. longest working line: 1000 meters10. distortion: ≤10%Main functions1.Two-way calling and intercom function2.Multifunction display3.Two-wire and non-polar connectivity4.Extension could call consistently without interruption5.Store and automatically queue the number of extension when calling.6.Short circuit alarm7.Function of intensive care priority8.Display screen with large four high-brightness digital tube.9.The volume of ringing is adjustable with 16 levels.10.Can be used with BB machines or cordless phones.11.Could fix the extension with toilet urgent call.12.Host machine hand-free13.Broadcast function14.Can be connected to a computer15.The calling system has many different chord music as cuemusic16.The extension numbers can be changed online    Packaging & ShippingCompany Profile/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1