Serial RS232 RS485 to WiFi 802.11 b/g/n and Ethernet Converter(Upgrading Version of USR-WIFI232-610)

USR-TCP232-302 Tiny Size Serial RS232 to Ethernet TCP IP Server Module Ethernet Converter Support DHCP/DNS

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

SIENOC 5pcs 9 Pin RS-232 DB9 Male to Male 5pcs Female to Female Serial Cable Gender Changer Coupler Adapter Pack of 10

BGNing USR-W610 Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server Support WatchDog Modbus Gateway TCP UDP

OdiySurveil(TM) RP-SMA Extension Cable, Male to Female Nut Bulkhead Crimp RG316 Coax Adaptor(20cm,Pack of 3)

StarTech.com 1m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable

StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/M - DB9 Male to Female - 9 pin Null Modem Cable - 1x DB9 (M), 1x DB9 (F), Black

ONETAK TCP/IP Ethernet RJ45 to Serial RS232 RS485 RS422 Converter Adapter Adaptor Flow Control None RTS/CTS

Sysly DB9 Male and DB9 Female D-SUB Adapter Plate Connector RS232 Serial to Terminal Board Signal Module

DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size