Interfaces : RS485 half duplex, auto flow control and USB 1.1 and 2.0 compliant
TX & RX data indicators
CPU : Uses the FTDI serial to USB chip
Power Consumption <100 mA
100 cm cable length
Overview
Specs
Reviews
The ATC-820 is a high speed USB to RS485 adapter. The ATC-820 uses a DB9 male connector and supports baud rates from 300 to 1M baud. The USB interface is 1.1 and 2.0 compatible and uses the FTDI high speed serial to USB chip.
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Additional Information
First Listed on Newegg
April 26, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
Return for refund within: 30 days
Return for replacement within: 30 days
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