Fractus, a developer of fractal antenna technology, has unveiled a dual-mode ISM and GSM quad band antenna that can be shaped to the mechanics of a GPS emergency device.
Dual-band operation enables a new generation of smaller emergency alert devices that work both indoors and outdoors anywhere in the world. In addition, using a dual-mode GSM/ISM antenna means that GPS receivers can be designed without a second antenna
The flex-film conformed dual-mode ISM/GSM antenna covers the GSM850, GSM900, DCS and PCS bands, as well as ISM900. By enabling all frequencies with a single antenna, Fractus has also reduced the bill-of-materials required for these devices.
A key challenge associated with currently available GPS emergency devices is their poor in-building coverage, making it difficult to locate people when they are at home or in a hospital, for example.
By adding the ISM900 band, Fractus has enabled emergency devices to also locate people indoors. The GSM quad band connectivity allows emergency calls to be placed worldwide.
The solution can be integrated into the PCB RF component, enabling the device to easily switch bands and eliminating the need for a second antenna. Having a single antenna also reduces the size of emergency devices.
The use of fractal antenna technology has enabled a solution that is not only easy to integrate into devices, but also offers reduced antenna size and a high level of performance in terms of gain and efficiency.
Fractus' antenna will be shipping in GPS emergency devices in 2008.
More information is available at www.fractus.com.