Bluetooth technology offers three different types of defined ranges, based on output ranges. Class 1 devices are the most powerful, as they can have up to 100 mW of power, with a regular antenna giving them a range of around 130 – 330 feet. The class 2 devices are lower power, offering up to 2.5 mW of power. A regular…
Category: Bluetooth Technology
How Bluetooth Works
Bluetooth devices will normally operate at 2.4 GHZ in the license free, globally available ISM radio band. The advantage to this band includes worldwide availability and compatibility. A disadvantage to this however, is that the devices must share this band with other RF emitters. This includes automobile security systems, other wireless devices, and other noise sources, such as microwaves. To…
Bluetooth In Action
In the United States, Bluetooth gets absolutely no respect. It is however, becoming more and more common in notebooks, PDAs, and especially cell phones. Bluetooth will provide wireless users a way to transmit small amounts of data over short distances. Now, Bluetooth is facing stiff competition from new wireless technology. Referred to as UWB or Ultra Wideband, it promises data…
Bluetooth Glossary
Below, you’ll find a list of the most used terms in Bluetooth technology. They can serve as a look up, or to help you learn more about Bluetooth terms in general. 2 in 1 handset The situation where a subscriber’s handset is acting as a remote handset to a base unit that provides a network connection. 3G Third generation, referring…
Bluetooth Profiles
The profile found in Bluetooth will describe how the technology is used. Profiles can be best described as vertical slices through the protocol stack. It will define options in each protocol that are mandatory for the profile. The profile will also define the parameter ranges for each protocol. The concept of the profile is used to decrease the risk of…