Contents
How does Bluetooth determine distance?
Beacon technology generally estimates the distance between devices using the received signal strength (RSSI). Localization of Bluetooth devices is done by combining the distance estimate to several beacons, mounted at fixed and known locations, using triangulation with at least 3 anchors.
What does a Bluetooth antenna do?
A PCB trace antenna which radiates and receives the electromagnetic waves that wirelessly carry information to and from other bluetooth devices; The ground plane on your PCB, which impacts antenna performance to such an extent that it is effectively part of the antenna itself; A keepout zone adjacent to the antenna.
What is the frequency range of Bluetooth?
Bluetooth® technology uses the 2.4 GHz ISM spectrum band (2400 to 2483.5 MHz), which enables a good balance between range and throughput. In addition, the 2.4 GHz band is available worldwide, making it a true standard for low-power wireless connectivity.
How do I extend my Bluetooth antenna?
The Most Effective Way to Increase Bluetooth Range!
- Step 1: Get a 2.4GHz Wifi Antenna! Get the highest gain 2.4GHz Wifi antenna you can afford and it’s connector coax cable.
- Step 2: Removing the OEM Antenna and Attaching the Wifi 2.4Ghz Antenna Coax.
- Step 3: Putting the Viper BT Module Back Into the Car and Testing.
How to choose the best Bluetooth antenna for your phone?
Think like an RF designer and quickly narrow down your Bluetooth antenna options – even if you have no prior RF experience. This is first in a series of posts to help guide your Bluetooth RF design. It explains the four critical RF factors that impact your antenna choice. Is your product wearable?
How does a directional antenna affect the coverage?
Directional antennas focus the RF energy in a particular direction. As the gain of a directional antenna increases, the coverage distance increases, but the effective coverage angle decreases. For directional antennas, the lobes are pushed in a certain direction and little energy is there on the back side of the antenna.
Why does an antenna have a shorter range?
The greater-than-expected distance makes the antenna have (in general) lower radiation resistance and appear electrically shorter than designed. This would result in a worse “match” to the transmission system, lower radiation efficiency, and shorter range. This “detuning” has a very non-linear effect so could explain the observed behavior.
What happens when the gain of a directional antenna increases?
As the gain of a directional antenna increases, the coverage distance increases, but the effective coverage angle decreases. For directional antennas, the lobes are pushed in a certain direction and little energy is there on the back side of the antenna.