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Emergency Devices and Panic Buttons
A plethora of GPS enabled emergency devices are entering the market to support the US's E-911 and Europe's E-112 mandates which require the position of a mobile phone to be made available to all emergency call dispatchers.
GPS enabled emergency devices such as the Laipac S-911 use Sarantel's GeoHelix™ GPS antenna to provide stable reception in the harshest conditions including inside buildings and heavily wooded areas.
Sarantel antennas are omni-directional, which means that emergency tracking devices with the GPS antenna do not need a clear view of the sky for quality GPS reception. This eliminates the need to orient the device in order to achieve reliable performance, so even if a user were in a difficult position, i.e. lying on their back and unable to reach their phone, emergency services would still be able to locate their position.
While conventional antennas de-tune and lose efficiency when they come in contact with RF-absorbing materials like the user's hand or head, GeoHelix™ GPS antennas stay on frequency regardless of how they are used.
Case studies
The Lommy™ offers an unseen level of GPS tracking inside most buildings and at places where traditional GPS tracking devices fail to deliver stable performance.
Benefon's TWIG Discovery is a full-featured GSM smart phone with autonomous GPS navigation using an embedded GeoHelix GPS antenna
Sarantel's SkyTune antenna allowed us to improve the performance of XM2Go products while drastically shrinking their size.

