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USB Isolator for Protection of all types of USB devices
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Amazon.com: Black Box USB to RS232 Opto-Isolated Converter : Electronics
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USB 2.0 4-Port Isolated Hub - Coolgear
2-Port Industrial USB 2.0 to RS-422 / 485 Optical Isolated Adapter - Coolgear
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Opto-isolated 1500V 2Mbps USB to Serial Module (for Haasoscope) | eBay
Industrial USB-A 5KV Optical Isolation Adapter Din Rail - Shentek
Optically Isolated 7-Port USB Hub - Sealevel
Black Box SP390A-R3 Converter | Free Shipping
Amazon.com: COMMFRONT Industrial USB Isolator, USB 2.0 5000Vrms Isolation (per UL 1577), Low and Full Speed Data Rate: 1.5Mbps and 12Mbps, Plug-n-Play, No Drivers Required : Electronics
Optically Isolated 7-Port USB Hub - Sealevel
Adapter Isolated USB To UART TTL, USB To Serial Port TTL 5V3.3V2.5V1.8V Optically Isolated Magnetic Isolation _ - AliExpress Mobile
