![]() ![]() Although not free, it does come with a 3-day trial period. WiFi Explorer is another popular Wi-Fi analyzer. NetSpot will monitor and analyze your home or office wireless network to help you discover dead zones and other network issues. It’s marketed more towards IT professionals who require a deeper understanding of how their multiple wireless networks perform but can be used by anyone. If you prefer to use an app, listed below are two of the more popular ones available. There are numerous third-party apps available. ![]() Using the above method to determine your Mac’s Wi-Fi strength isn’t the only way to check it. However, this isn’t the same as the speed of your ISP (Internet Service Provider). Expressed in Mbps (megabits per second), this is the transfer rate between your device and the wireless router. ![]() Here you’ll also find valuable information like the TX Rate. One solid bar would represent a very weak connection, while if all of them are solid, your connection is strong. The higher the number of solid bars it has, the stronger your Wi-Fi signal strength. Click on the icon while pressing the “Alt” key.Ī drop-down window will open that contains a variety of information.įirst, look at the wireless icon located in this new window.Locate the “Wi-Fi” icon at the top of the screen.With a simple click, you’ll quickly see the quality of your Wi-Fi signal. Much easier than rolling out custom scripts to all the devices that connect to your two radios.Īlso, it goes without saying - if you could make both radios broadcast on the same SSID - then your Apple products would just roam but maybe you have a good reason to not have the same network name and simplify your work.Īnd to answer question "how to decide which Wi-Fi is stronger" here are some guidelines.Check your Wi-Fi signal strength on a Mac using the Wi-Fi icon. Simply choose all transmit rates you wish to evict all clients for your main radio and once they lose connection at the preferred high speeds, all OS will drop and then pick up the next radio that's available. WiFi engineers perform this optimization all the time by controlling the MCS / Transmit rate. Once you've scanned, the system_profiler should report more results as the scan results seem to be cached locally for a while. I'd start with airport -scan and filter for your preferred SSID or known MAC address on your base stations: /System/Library/PrivateFrameworks/amework/Versions/A/Resources/airport -scan Scanning all possible radios and channels is quite slower (5 to 10 seconds instead of a fraction of a second to run) than the simple dump above, so you'd need a program to handle that or a script that's a lot more savvy. System_profiler SPAirPortDataType: AC88U_5G: The relevant entries for signal and noise are the raw radio values on the channel negotiated but it would be better to key off Transmit Rate since as long as you have faster than X network, it doesn't really matter what noise / signal since the transmit rate drops down when the signal drops or the noise raises. Getting the current connected network is easy and quick. I'd make your final program in python or swift, but here's how to start your process with signal strength. Yes - both the current network and potential networks can be scripted from unix command line / shell so that extends to most automation languages - including AppleScript. Here, the RSSI values are negative numbers, with a number closer to 0 (more positive) indicative of a stronger WiFi signal. If (!defaultInterface.powerOn) return false Ĭonst SSIDs = epUnwrap(networks.valueForKey('ssid')) Ĭonst RSSIValues = epUnwrap(networks.valueForKey('rssiValue')) Ĭonst WiFi = SSIDs.reduce((ξ, item, i)=> Here's a JavaScript for Automation (JXA) script that will scan for WiFi networks and retrieve the SSIDs and RSSI values: ObjC.import('CoreWLAN') Ĭonst defaultInterface = $. If you still prefer scripting this process here is the list of Airport commands /System/Library/PrivateFrameworks/amework/Versions/A/Resources/airport You are done, now you can move around and your Mac will keep you connected to the strongest signal. Then set it up to automatically join next strongest access point sudo /System/Library/PrivateFrameworks/amework/Versions/A/Resources/airport prefs joinMode=Strongest To turn the roaming on in case it was off do this in Terminal: sudo defaults write /Library/Preferences/ enabled -bool true Then tell it to roam and it will automatically connect to next stronger signal network.Įven better is if your SSID and WPA are the same for both. Of course you have to have set up both routers as Automatically Join and at the top of your list. If your main priority is to have your Mac automatically switch to next strongest access point. ![]()
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