4 sfp28 to 1 qsfp28 tmux board

{"cid":"91200109","title":"OM3800 100G TMUX Board 4*SFP28 To 1*QSFP28 Non-Coherent Multiplexing Card","imgUrl":"https:\/\/img.chinax.com\/nimg\/9b\/68\/2439f93b019750e9c0dc0ad0798f-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Olycom","Model Number":"OM3800-TMUX100G","Minimum Order Quantity":"1pc","Delivery Time":"3~7 days","Certification":"CE RoHS FCC ISO9001","Place of Origin":"Shenzhen, China","Payment Terms":"T\/T, PayPal","Supply Ability":"500pcs\/month","Packaging Details":"1 piece in a box, 1Kg G.W.","Product name":"100G DWDM Multiplexing Board","Client side":"4*25G SFP28 grey module","Line side":"1*100G non-coherent color module","Dimension":"0.5U size in OM3800 DWDM system"}}