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Serial to WiFi Adapter for connecting RS232 to networks
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Amazon.com: 2Pcs Wireless Transceiver RS232/485/422-LORA DC12-36V Remote Radio Transmission Module with Antenna : Electronics
Bluetooth 3.0 RS232 Serial Adapter Nine-Wire System 10M Class2 for Wireless Data Transfer – Oz Robotics
RS232 To WiFi Adapter | AMSAMOTION
Serial wireless Wi-Fi Adapter with RS232, RS485 and RS422 interfaces
Long Range 100m Bluetooth 3.0 RS232 Serial Male Adapter with Bluetooth Class 1 External Antenna DB9 Pin for Data Transfer Serial Port - Newegg.com
Wireless Serial RS232 adapter - 9800 feet range
Serial WiFi Adapter with RS232, RS485 and RS422
PowMr Wifi Module - WIFI-VM – PowMr
USR-W610 Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server | eBay
WI232+ - Advanced Serial to Wi-Fi Adapter - No Power Supply - DCE (female) – Grid Connect
Buy Wholesale China Rs232 Wireless Extender No Drive Telnet Protocol For Remote Config/testing Rs232 To Wifi Converter & Rs232 To Wifi Wireless Extender at USD 30 | Global Sources