here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"rx"
I'm Celeste, Newegg's tech expert! Need help with "rx"?
ADT-R33 PCIe 4.0 x16 Tx-Rx Switch Card 256Gbps High Speed (R33L)
Limited time offer, ends 11/15
$94.96
Free Shipping
Serial RS485/RS422/RS232 to Fiber Optic Media Converter, Serial Communication Data Converter Device Server, SM Bidi SC 1310nm 20km, Daisy-Chain or Redundant-Ring FO
Limited time offer, ends 11/15
$121.58
Free Shipping
Serial to Ethernet Server Device Adapter to RS232/485/422 Serial device servers support Auto-MDI/MDIX 10/100Mbps TXB015
Limited time offer, ends 11/15
AJMRTC 2Pcs CP2102 Micro USB to UART TTL Serial Converter Module, 6 Pin Serial Adapter, Replace FT232 for STC MCU Download Debug
Limited time offer, ends 11/29
$23.08
Free Shipping
Vszerda USB-C Type C 3.1 2.5 Gigabit Ethernet Adapter LAN RJ-45 10/100/1000/2500 (SD-ADA24064)
Limited time offer, ends 11/23
$38.99
Free Shipping
GRIDCONNECT RS232 to USB - ATC-850 Industrial USB to Serial RS232/422/485 Adapter
$187.99
$5.00 Shipping