Wireless RS232 via Bluetooth up to 100 meters. With 2 pcs. If a wireless RS232 connection is established independent of drivers.

RS232 Communications Option via Bluetooth 2.0. Wireless transmission of data between serial ports - up to 100 meters
BLUETOOTH-RS232 is a transmitter / receiver RS232 via Bluetooth.
Can also be used in couples where two adapters to the serial port, f .g. a plotter and a PC. The couple creates, operating system, transparent connection via a Bluetooth radio signal. The range is up to 100 meters with directional antennas (included) and no driver required.
1 adapter with DB9 female connector.
Bluetooth ver. 2.0 + EDR, Class 1, 79 channels.
Serial Kommunication: 1200 bps - 115,200 bps, full-duplex, to 8 bits of data, even / odd / no parity, 1,2-stop bit, RTS / CTS ON / OFF.

Specifications:
First Baud Rate: Supports 1.2 / 2.4 / 4.8 / 9.6 / 19.2 / 38.4 / 57.6 / 115.2 / 230.4 / 460.8 / 921.6 Kbps
Second Coverage: Up to 100 m
Third Connection: Point-to-point (pico networks)
Fourth Signal: TxD, RxD, GND, CTS / RTS
Fifth RS-232 Interface: D_SUB 9-pin female
6th Standard: Bluetooth specification version 2.0 + EDR
7th Profiles: Serial Port Profile
8th Data Bit: 8 bits
9th Frequency: 2400 two 2.4835 GHz
10th Hopping: 1600 / sec, 1MHz channel space
11th Modulation: GFSK-1 Mbps, 2 Mbps DQPSK, and 8-DPSK-3 Mbps
12th Tx. Power: Max. 18 dBm (Class 1)
13th Rx. Sensitivity: -86 dBm typical
14th Antenna: Chip antenna or SMA female + external antenna
15th Antenna Gain: Chip antenna max. 1 to 2 dBi
16th Power Supply: +5 two +40 V DC
17th Current Consumption: Max. 90 mA
18th Operation Temperature: -20 to +75 Degrees Centigrade
19th Dimensions: 88 mm (L) x 34 mm (W) x 15mm (H) (BT-232B), Antenna: 11 cm
Remark: All contents are the subject to change without notice.