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The 2N® Mobile Key application turns your mobile phone into an access card for passage through buildings. The application communicates with selected 2N IP intercoms and 2N® Access control units using bluetooth technology. Double authentication is also supported with Bluetooth technology for maximum security. The 2N®  Mobile Key application can be installed on phones with Android and Apple iOS. This FAQ describes how to configure touch mode in the reader and what you should consider in order to use this mode smoothly.


Requirements:

  • Persistent notifications in Android / iOS location services - this is a key functionality to be able to open doors
  • 2N IP intercom / 2N® Access unit firmware version 2.26 or higher
  • Touch mode enabled in the 2N device


Avaliable modes: 

  • Tap in app - Once the phone is paired you can open doors by tapping the virtual button accociated with the specific intercom within the application.
  • Touch mode - Each Bluetooth module or 2N® Access unit has a built in touch sensor. Once the phone is paired you can leave the phone in your bag or pocket and just touch the module  with your hand and doors will be open automatically.

 

 

Navigation

General settings

 

The 2N device with bluetooth module has to be switched to the Touch mode. This can be found in the web interface of the device.

 

 

Figure 1: Bluetooth settings

As you can see in the picture, there is a parameter called Signal range. There are 3 options: 

  • Short – approximate detection distance is 0 - 2m
  • Middle -approximate detection distance 2 - 5m
  • Long - approximate detection distance 5+m

 

By default short detection distance is configured which is the most secure option as the bluetooth reader will only communicate with your smartphone within short range, however you can adjust it based on your needs. Please keep in mind that each smart phone can have slightly different sensitivity of its bluetooth antenna so detection distances may vary between the smartphones.  Bluetooth effective signal range depends on the following:

  • The output power of transmitter
  • The sensitivity of the receiver
  • Physical obstacles in the transmission path
  • The antennas

You can also adjust bluetooth setting in your 2N® Mobile Key application where you will find 3 options. Please note that effectiveness of these modes depends on the type of the smart phone as well. Modes are:

  • Low latency - The exchange of the information between bluetooth module and your smart phone will be faster however power consumption of the 2N® Mobile Key will increase.
  • Low consumption - Power consumption will be at the operational minimum, however the exchange of the information will be slightly slower.
  • Balanced - Balanced mode between low latency and low consumption. This is the default mode.


Figure 2: Bluetooth settings in 2N® Mobile Key


Persistent notification and power consumptions (Android)

Each application that you install into your smartphone uses notifications to let you know about updates, incoming messages, etc.... Android notification mechanism allows you to manage notifications for each application installed on the device so you have full control which application will be turned on all the time and using resources of your battery. In other words applications that have notifications enabled are running in the background all the time. Each app may have different categories, even if the apps are similar in function.

Location of the notification settings may vary depending on your Android version. Once persistent notification is enabled for the specific app, the app is running in the background even after you kill the app manually. This is an essential feature for the 2N® Mobile Key app because it needs to be turned on all the time to ensure that your doors will open once you are close to the intercom and touch the Bluetooth module.


 It is recommended to verify the  2N® Mobile Key access and consumption rights in the smart phone. All rights should be configured by the app during the installation however each vendor of the phones and each Android version may have a different approach to power consumption and parameters may be found in different places in the settings. In general you need to let the  2N® Mobile Key app run in the background and then go to application settings and allow auto start of the application. Here are two examples where to find the settings and which parameters have to be checked.

 Xiaomi Mi 8 with Android 9

 

Figure 3: Xiaomi Mi 8 battery permission


 Xperia Xa 2 with Android 9 

Figure 4: Xperia Xa 2 battery permission

Huawei, Honor and Samsung Galaxy J3 phones

Please proceed with the following steps:

1) Go to Settings -> Advanced settings -> Battery manager -> App launch, then find the app you want to see notifications from (2N® Mobile Key app), and allow all parameters. This is "whitelisting" the app so Huawei's overeager software doesn't shut it down for no reason.

2) Go to Settings -> Apps -> advanced -> Ignore battery optimizations, then find the app (2N® Mobile Key) and ignore it. Don't be tricked by the misleading wording, "ignoring" the app actually means to let it run, because you're telling the battery optimization function to "ignore" that app.

3) Go to Settings -> Notification panel & status bar -> Notification centre, then find the app (2N® Mobile Key), then activate "allow notifications" and also "priority display". You have to activate the priority part too to make sure you get notifications.

4) Restart your phone.

 

Android 8

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If you have Android 8 version of the OS you also need to allow unlimited access to data in the section:  Settings -> Apps -> special access -> unlimited data access ->  choose  2N® Mobile Key application and allow it.


Battery power consumption warning

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Please note that you may see a warning in some phones that the 2N® Mobile Key is using battery all the time . This is an Android related service message and does not affect functionality of the application.

Location access

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Please note that for the correct function it is necessary to enable Location access (it is enabled by default). Parameter can be found in section Settings - Security and Privacy - Location access.



How to pair with the unit (Android)

To be able to pair the device with your phone it is necessary to create a pairing code. This can be done in the web interface of the 2N IP intercom or 2N® Access unit. Another way to trigger it is by using 2N® Access commander. Once you know the pairing code, you need to be close to the device which shall be used for make the pairing procedure and you need to tap the "Pair new devices" button in the Device setting in your application (Figure 5).

Figure 5: New device pairing

 

The next step is to touch the bluetooth module to trigger the pairing procedure. Once you do that, the pairing device will appear in your smartphone and you need to tap on that device in the application and enter the PIN code to be able to finish the pairing procedure.


Figure 6: Scanning of bluetooth devices - user not touched the bluetooth module (left); Device ready for pairing after the touch of the bluetooth module (right)

Location services (iOS)

2N® Mobile Key needs location services enabled. This is configured automatically during the installation of the application however you can verify it in the following section: 

Figure 7: Location services

 

WARNING

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If you force-quit the 2N® Mobile Key, you won't be able to open doors unless the GPS is not enabled. The application needs to run in background for the proper function.

 

How to pair with the unit (iOS)

To be able to pair the device with your phone it is necessary to create a pairing code. This can be done in the web interface of the 2N IP intercom or 2N® Access unit. Another way to trigger it is by using 2N® Access commander. Once you know the pairing code, you need to be close to the device which shall be sued for the make the pairing procedure and you need to tap the "Pair new devices"  button  in your application. To be able to pair the device it is necessary to trigger the pairing procedure by touching the bluetooth module.



Figure 8:  App is scanning bluetooth devices - before touch on the blutooth module (left); App is ready for pairing - after touch on the bluetooth module (right)

 

Figure 9: iPhone pairing procedure

 

IMPORTANT NOTE

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It is necessary to open the 2N® Mobile Key in front of each intercom during the first access attempt to ensure the proper exchange of initial information.

IMPORTANT NOTE

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It is recommended to do the pairing procedure always at the place of the installation of the intercom due to the location services. Approximate sensitivity of location is 200m and if you would do the pairing first and then move the intercom to the installation site it might happen that you won't be able to open doors as your phone does not recognize location of the installation.