20000 TCP/IP or RS485 access controller

{"cid":"124041","pid":"22731414","pimg_url":"\/\/img1.b2bforus.com\/da\/08\/3fa9f6399c93\/product\/76975201_s-w400xh400.jpg","name":"Access control system TCP\/IP four doors access control panel smart card rfid access control board with free software","attrs":{"Price":"Negotiable","MOQ":"1 Unit","Delivery Time":"Negotiable","Brand":"Dwell"}}

{"cid":"124041","pid":"22731396","pimg_url":"\/\/img1.b2bforus.com\/da\/08\/3fa9f6399c93\/product\/76975106_s-w400xh400.jpg","name":"Door access control system 4 doors access control panel with software support security system for door access control","attrs":{"Price":"$81.60(2 - 19 Pieces) $81.00(20 - 99 Pieces) $80.50(100 - 299 Pieces) $80.00(>=300 Pieces)","MOQ":"2 Pieces","Delivery Time":"Negotiable","Brand":"Dwell"}}

{"cid":"124041","pid":"22731363","pimg_url":"\/\/img1.b2bforus.com\/da\/08\/3fa9f6399c93\/product\/76974985_s-w400xh400.jpg","name":"Door Entery Access Control TCP IP Network 2 Door Access Controller Board System","attrs":{"Price":"$70.00(1 - 19 Pieces) $69.50(20 - 99 Pieces) $69.00(100 - 299 Pieces) $65.00(>=300 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Dwell"}}

{"cid":"124041","pid":"22731347","pimg_url":"\/\/img1.b2bforus.com\/da\/08\/3fa9f6399c93\/product\/76974932_s-w400xh400.jpg","name":"Door Access Control System TCP\/IP Network Four Doors Access Control Panel System Products","attrs":{"Price":"$80.00(1 - 49 Pieces) $78.00(50 - 99 Pieces) $75.00(>=100 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Dwell"}}