smd push pull transformers for communication

{"cid":"91183610","title":"SMD Push Pull Transformers Ethernet Magnetic Transformers UA8255-AED","imgUrl":"https:\/\/img.chinax.com\/nimg\/76\/0a\/ab6e677123933b10e87abc6335e8-200x200-1.jpg","attrs":{"Price":"Supportive","Brand Name":"Shareway","Model Number":"UA8255-AED","Minimum Order Quantity":"100pcs","Delivery Time":"Stock or 3-4 weeks","Certification":"CE UL RoHS ISO9001:2008","Place of Origin":"Guangdong China","Payment Terms":"TT,Paypal","Supply Ability":"5000K.PCS\/Month","Packaging Details":"500 parts per full reel","Product name":"SMD Push-Pull Transformers Ethernet Magnetic Transformers UA8255-AED","Usage":"for isolated power supply","Mount":"Surface mount","Product type:":"Isolation Transformers","Operating temperature range":"-40 \u00b0C up to +125 \u00b0C","Inductance":"900 uH","Package":"Cut Tape \/MouseReel\/ Reel"}}

{"cid":"91191040","title":"Auto Surface Mount RF Transformer , SMD Balun Transformer Customized","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/d6\/d956727abc426e45af3ab3cf8954-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Shinhom","Model Number":"RF3S-2575","Minimum Order Quantity":"Negotiation","Delivery Time":"4~8 Weeks","Certification":"RoHS","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1000000\/MONTH","Packaging Details":"Carton","Frequency":"5-1250MHz","Characteristic Impedance":"75\u03a9","Operating temperature":"-40\u2103 to 85\u2103","Storage temperature":"-55\u2103 to 100\u2103","Impedance ratio":"3:1","Structure of Magnetizer":"Ferrite core"}}