Enable AirDrop Over Ethernet & AirDrop On Unsupported Macs Running OS X | OSXDaily
How to tell if your Mac supports AirDrop
Airdrop is not working on iMac running on… - Apple Community
iMac 2009, iMac 2010 and iMac 2011 - Apple Broadcom BCM94360CD - 802.11 a/b/g/n/ac with Bluetooth 4.0 Upgrade Kit | www.osxwifi.com | Native Support for Apple Broadcom BCM94360CD and BCM943602CDP for PC
airdrop not working on imac, help! - Apple Community
2011款iMac的AirDrop使用方法。_Holothurian的博客-CSDN博客
Wat is AirDrop en wat kun je ermee in iOS en Mac? - appletips
Cómo activar AirDrop en los Mac no compatibles y habilitar la función vía ethernet
How to use AirDrop with older Macs | iMore
AirDrop Not Working? Use Compatibility Mode for New Mac to Old Mac AirDrop Support | OSXDaily
Airdrop not working on iMac mid 2011 - Apple Community
AirDrop for mid-2011 iMac with USB Bluetooth dongle ? | MacRumors Forums