Now I can't find Bidi sgmii sfps! Most are out of stock.If you can find then please tell me.1550tx/1310rx single mode single fiberYou should be good to go - the 3011 has the IPQ-8064, which supports SGMII.
How is it relevant to sgmii sfp?Have you seen this thread: viewtopic.php?f=2&t=122298#p606404
Rb3011uias rmWhile it depends on the switch chip, I believe all do.
What Mikrotik to you have?