2022 portable universal external wireless carplay adapter screen

Apple's products continue to iterate and accessories continue to evolve wirelessly, such as data transfer (AirDrop), wireless charging, wireless headphones, and even viewing your phone's Debug logs wirelessly.

CarPlay has actually supported wireless since iOS 8.3 in '15, and BMW launched its first wireless CarPlay car in '17. As it continues to evolve, the emergence of wireless CarPlay has made our lives easier.

However, many people feel that the advantages of wireless are not obvious, and there are even many defects. How is the real situation, it may be a good analysis.

The disadvantages of wireless CarPlay

❌Increased delay

Phone loopback delay specification. Wired 275ms, wireless 415ms, one-way increase of 70ms. in fact, 70ms is not obvious

Music playback. Increased to 1s starting broadcast water level, so the delay will be very obvious, but it ensures that it is not easy to break the sound. And music belongs to the latency requirements are not important, so Apple has such an adjustment

Other audio delays are also increased by about 50ms of water level, in fact, the experience is not too obvious

❌Unstable connection

If Apple's performance indicator requirements for WiFi are fully followed, this problem should not exist. This performance indicator test is a simulation of various scenarios in use, including multiple data streams up and down, as well as interference coexistence

❌Music sound deterioration

Currently it does seem to be a fatal flaw, compared to the wired PCM format, after encoding the audio AAC format, there is definitely a loss in playing high resolution audio. But good sound effects on the car audio is also a requirement, so in fact the general music difference is not much.

In addition, wireless is actually capable of transmitting lossless format audio, as the similar airplay protocol can transmit Apple's own ALAC lossless audio. This is dependent on subsequent Apple upgrades to the CarPlay protocol. This is entirely possible, as Apple's Iron heart project includes an upgrade to CarPlay.

❌No simultaneous charging

It seems to let the car equipped with wireless charging at the same time to completely solve the problem.

As you can see some of these problems are not real problems or will not be real problems in the future. But this is needed to be built on the basis that the product is CarPlay certified. Apple's requirements take full account of the user experience, and the reliability of the product is guaranteed by the need for stringent certification indicators.

Advantages of wireless CarPlay

✔️Reduce the trouble of connecting wires

There are advantages and disadvantages of connecting wires, it depends on your own feeling.

• Say goodbye to the tangle of wires
• Save one cable
• Free up a USB port
• The placement of iPhone is not so limited

✔️Speed up the CarPlay connection process

If it is wireless CarPlay, it will start to reconnect CarPlay when the car is turned on, so it is a very good experience for users to drive and connect CarPlay without feeling.

✔️Convenient management to switch multiple iPhones

In the case of wireless, you can have multiple devices connected to the network at the same time, and switch devices as needed at any time.

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