Amazon.com: CP26 RS232 to Bluetooth Serial Adapter Industrial Wireless Bluetooth Communication Module to RS232 Converter, Change 232 Wired Device to Wireless (for Phone) : Electronics
LM058-3050 Bluetooth RS232 Adapter with SMA Antenna
Serial Bluetooth Adapter - RS232
Bluetooth RS232 / Serial Adapter – Bluetooth and WiFi Modules and Adapters – LM Technologies