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All posts by Auto Pumpkin

01Jun/20

The difference between Bluetooth 4.0 and 5.0

Basic Knowledge of Car Stereo, , , ,
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What is Bluetooth?

Bluetooth is a wireless technology standard used for exchanging data between fixed and mobile devices over short distances using short-wavelength UHF radio waves in the industrial, scientific and medical radio bands, from 2.402 GHz to 2.480 GHz, and building personal area networks (PANs).

Bluetooth 5.0 is the latest version of the Bluetooth wireless communication standard. It’s commonly used for wireless headphones and other audio hardware, as well as wireless keyboards, mice, and game controllers.

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The comparisons

Bluetooth 4.0 and 5.0 do almost all the same things, but they have their own features and differences.

Speed

Bluetooth 5.0 is faster than Bluetooth 4.0. The speed of Bluetooth 5.0 is 2Mbps, twice the speed of the Bluetooth 4.0 of about 1Mbps.

Range

Bluetooth 4.0 supports 50m in outdoor range and 10m in the indoor range, while Bluetooth 5.0 supports 200m in Line Of Sight path in the outdoor environment and 40m in the indoor environment.

Power requirement

With the low energy designed, Bluetooth 5.0 uses less power on your device compared to the Bluetooth 4.0.

Message capacity

The Bluetooth 4.0 has a small message capacity of about 31bytes, which gives just 17 to 20 bytes for actual data payload. While the Bluetooth 5.0 with a large capacity of 255bytes gives more bytes for actual data payload.

Bluetooth beacon

With Bluetooth 5.0, beacons have become more popular due to the speed and range increase while with Bluetooth 4, they are less popular due to the less speed and range as well as low message capacity of 31bytes.

Support for IoT devices

Bluetooth 5 easily meets the requirements for IoT devices with its good range and increase in speed while Bluetooth 4 does not due to its low speed and short working range. That means IoT devices will work well with Bluetooth 5 and utilize all its features properly.

Compatibility

Bluetooth 4 works best with devices that are compatible with version 4 series but will not work with devices that have Bluetooth 5 while Bluetooth 5 is backward compatible with v1, v2, v3, v4, v4.1 and version 4.2 but will not utilize all the features of Bluetooth 5.

All in all, the car radios with Bluetooth 5.0 can meet the more requirements and work better. Besides, Pumpkin 12.8” Tesla Style Universal Car Stereo posses the Bluetooth 5.0 feature.

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26May/20

What is the car stereo of a car?

Basic Knowledge of Car Stereo, , , , , , , ,
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The car stereo usually comes with a touch screen to control an in-dash car stereo, and it is also called as “head unit”, “ car radio”, “car DVD player”, and “ sat nav”. You may tell the functions of a car stereo from these names, speaker, radio, navigation, CD/ DVD player, which are the most basic functions you can find on the radio of a car. (if you are looking for a cost-efficient unit, WinCE OS-based car stereo may suit your requirement well.)

Despite the WinCE or Android OS, Bluetooth connectivity is listed on the major functions of a car stereo to provide users the easy and cozy driving time. Music streaming, hands-free calling, and phonebook access and sync are all available thanks to the Bluetooth function.

Some other people call the car stereo as an infotainment system, or multimedia car player, as many other functions are possessed in such a unit. For example, smartphone mirror-link, steering wheel audio control, USB/ SD card input, reverse camera display. The Android OS-based stereo offers you free downloading options and more powerful functions if your budget allows. Popular functions including Android Auto/ Apple CarPlay driving assistant, DAB+ digital radio, OBD car diagnostic tool, are integrated or optional.

All in all, any functions that may help to make your driving comfier, safer, and smarter, the car stereo manufactures are all taken into serious consideration.

Do remember to check your original car radio height (1 Din or 2 Din) before picking the size of the display screen if you want the new car stereo can be fit perfectly.

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20May/20

A New Way to Use the Bluetooth of a Car Head Unit

Basic Knowledge of Car Stereo, , ,
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Music streaming is the most widely and frequently used Bluetooth function in the car that installs a multimedia player. Many car radios support Bluetooth hands-free calling and phonebook accessing, which is very handy for driving. There are other unexpected ways to use the Bluetooth music sharing function especially when you are with an enamored companion.

Music really helps tremendously if you take a serious observation, you can definitely ask this friend out again if he/ she sings and even swings with every song in your favorite playlist. Likewise, ask the friend to play her playlist via Bluetooth is a genius idea to find out what type of person is this companion, if she/he likes hip-hop, while you prefer classical music, you may need to pay some attention to other aspects of your lifestyle differences before getting involved in this relationship too deep.

Who else could think to use the Bluetooth function of a car radio in such a romantic way? (:

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