The Plunder Bug by Hak5 is pocket-sized LAN Tap that lets you "bug" Ethernet connections with USB-C convenience.
Coupled with cross-platform scripts for Windows, Mac and Linux – or an Android root app – this smart network sniffer enables passive recording or active scanning.
• Auto negotiating 10/100 Base-T Fast Ethernet• ASIX AX88772C USB Ethernet Chipset
• USB-C Tap/Power port (5V, 20-300mA draw)
• Complimentary Android app for select root devices
• Connection scripts for Windows, Mac & Linux