You’ll need OS X Lion, Mountain Lion, Mavericks, Yosemite, or El Capitan for this feature to be available, earlier versions do not seem to support RSSI readings from Bluetooth hardware. Unsurprisingly, having a good set of rechargeables is ideal for Bluetooth users. One very important thing to pay attention to: batteries can directly impact the signal strength of Bluetooth devices, so if your Apple wireless keyboard or magic trackpad is right next to your Mac but the connection strength is terrible, you may want to double-check the batteries and swap them out. In the screenshot above a bluetooth enabled iPhone was right next to a MacBook and got -38.įor input devices in particular, a weak Bluetooth signal can mean less responsive control, and for data devices, a weak signal could mean extremely slow transfer speeds if not failed connections. For example, -20 is a much stronger signal than -90, but don’t feel bad if you can’t get a very low signal. The lower the number shown as the signal, the better the connection, just like measuring wireless signals in the hidden awesome OS X Wi-Fi tool. Understanding RSSI as Bluetooth Signal Strength 11n, Bluetooth, MacOS Mojave Condition Refurbished Product Grade Grade A. Press and hold the Option key to reveal signal strength for the device 7 product ratings - Apple MacBook Pro Core i5 2.Open System Preferences from the Apple menu and click “Bluetooth”.If it’s enabled, you can also do this from the Bluetooth settings menu on the menu bar. Next, click Turn Bluetooth Off, and then click Turn Bluetooth On.
To do so, click the Launchpad icon in the Dock and head to System Preferences > Bluetooth.
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