|  | 
          
            | Home >  Internet of things(IoT) >> 4-Layer board |  
          
            | 
              
                | 
                    
                      | Internet of things(IoT) >> 4-Layer board |  |  
                      |  |  
                      | 
                          
                            |  |  
                            
                            |   |  
                            | 
                                
                                  
                                  | Name: | 4-Layer board |  
                                  | Class: | Internet of things(IoT) |  |  |  
                      |  Product Readme: |  
                      | 
                          
                            | FR4,Tg135,4-layer,Milling & Countersinking£¬T=1.20mm,mini.hole diameter0.30mm,mini.width/spacing5mils/4mils,ENIG 2u" |  |  
                      |  |  
                      | UpdateTime£º2023/2/22 |  |  |  |  |