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Bluetooth Serial Adapter replaces RS232/422/485 serial cables with wireless connection with Bluetooth 1.2/2.0 Protocol Stack. [2] Supporting data transfer speeds up to 230 kbit/s, these Bluetooth serial adapter products are often used for industrial applications that require data logging, wireless sensor control and monitoring in production facilities.
It emulates a serial cable to provide a simple substitute for existing RS-232, including the familiar control signals. It is the basis for DUN, FAX, HSP and AVRCP. SPP maximum payload capacity is 128 bytes. Serial Port Profile defines how to set up virtual serial ports and connect two Bluetooth enabled devices.
The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10.
The supported profiles are: PAN (NAP, GN, PANU), LAP, DUN and Serial Port. lwBT has been ported to the Renesas M16C, used on the Mulle platform, line of microcontrollers, and Linux as well as Windows. The source code was also available for use. A fork of lwBT can be found in the GitHub repository because Googlecode is gone. [52]
RFCOMM provides for binary data transport and emulates EIA-232 (formerly RS-232) control signals over the Bluetooth baseband layer, i.e., it is a serial port emulation. RFCOMM provides a simple, reliable, data stream to the user, similar to TCP.
JSR-82 provided the first standardized Java API for Bluetooth protocols, allowing developers to write applications using Bluetooth that work on all devices conforming to the specification. The first version of JSR-82 was released in March 2002. The most recent update to JSR-82, Maintenance Draft Review 4, was released in March 2010.
Tera Term (alternatively TeraTerm) is an open-source, free, software implemented, terminal emulator (communications) program. It emulates different types of computer terminals, from DEC VT100 to DEC VT382. It supports Telnet, SSH 1 & 2 and serial port connections.
PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no official meaning. [5]