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各OSのBluetoothの仕様

Last updated at Posted at 2020-02-13

各OSのBluetoothの仕様

iOS

場所

25.5 Advertising Interval
The accessory should first use the recommended advertising interval of 20 ms for at least 30 seconds.
If it is not discovered within the initial 30 seconds, Apple recommends using one of the following longer
intervals to increase chances of discovery by the device:
● 152.5 ms
● 211.25 ms
● 318.75 ms
● 417.5 ms
● 546.25 ms
● 760 ms
● 852.5 ms
● 1022.5 ms
● 1285 ms

推奨される広告パターンと広告間隔は次のとおりです。
最初に、20ミリ秒間隔で少なくとも30秒間アドバタイズします
30秒後に検出されない場合は、152.5ミリ秒、211.25ミリ秒、318.75ミリ秒、417.5ミリ秒、546.25ミリ秒、760ミリ秒、852.5ミリ秒、1022.5ミリ秒、1285ミリ秒のいずれかの長い間隔に変更できます。
重要: これらの特定の間隔は、正確に使用される間隔です!これらの実際の間隔からのわずかな偏差でさえ、発見までの時間を劇的に増加させる可能性があります。

Android

The blog post “What to keep in mind when developing your BLE Android app” contains a section with advertising. According to the blog, the allowed advertising intervals are the following:
a. ADVERTISE_MODE_LOW_LATENCY – Advertising interval: 100 ms
b. ADVERTISE_MODE_BALANCED – Advertising interval: 250 ms
c. ADVERTISE_MODE_LOW_POWER – Advertising interval: 1000 ms

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