The SF56K series is a push-push type connector compatible with micro SIM cards. It is mainly for mobile devices with communication capabilities such as feature phones, smartphones, mobile routers and tablets.
The SF72 series is a compact and reliable push-push type nano SIM (4FF SIM) card connector ideal for connected devices, such as smartphones and tablet-PC.
The SF78 series is a push-eject tray type dual nano SIM card connector that allows two nano SIM cards to be installed. It can be used for mobile devices with communication capabilities such as feature phones, smartphones, and mobile routers.