RS232 Radio Interface Board from Radiometrix

A pair can be used as a serial RS232 cable-replacement in many 9600baud half-duplex applications. It just needed to be hooked up to a 6 to 15V power supply, and it operates without the need for any additional interface circuitry. Status LEDs indicate reception of valid data packets, and power 'on', and it can be enabled by DTE asserting DTR.

The synthesizer based TDL2A module operates on 5 non-overlapping frequencies in the 433MHz European ISM band with option to choose 8 addressed point-to-point links. It's -107dBm sensitive receiver and full 10mW transmit output power combine to offer a typical range of well over 200m

This compact (61x33mm, excluding the antenna), highly integrated wireless device is particularly suitable for portable applications such as remote data acquisition and industrial telemetry systems, and interfaces easily to handheld terminals, PDAs, laptop computers, and data loggers.

It conforms to both EN 300 220-3 and EN 301 489-3 standards.