Wireless Bluetooth replacement of RS-232 communication works with any standard RS-232 portMeets Bluetooth specification v 2.0 + EDR Class 1100 meters nominal transmit distance or up to 1 kilometer with patch antenna+18 dBm maximum transmit power -88 dBm ( 0.1 % BER) receive sensitivitySupports Bluetooth profiles SPP (Serial Port Profile) easy to use Windows configuration tools