Bluetooth modules
SPK-GPS-GS405 Smart Antenna: SirfStarIII + Sarantel passive SMP geohelix GPS antenna
Sarantel's GeoHelix GPS Active & Passive Antenna
A personal remote positioning device with GPS & GSM Module.
This device is compact and portable. Not only it can transmit the longitude and latitude coordinate to your cell phone by the short message service, it can also transmit the GPS location information to your personal computer by the internet connection of GPRS and then display the location by a specific map software (eg Google Earth mapping software).
This device can work worldwide as it supports 4 frequency GSM 850/900/1800/1900MHz. There are 3 speed dial keys and 1 emergency key on the SPK-GS102. You can use these features for protecting and searching children and old persons. Further, you can use it as a security purpose and other purpose which needs remote positioning.
Epson Toyocom's Quartz Device