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DrayTek VigorAp 920RPD Ruggedized Access Point 802.11ac, simultaneous Dual Band, PoE, Mu-MiMo

DrayTek VigorAp 920RPD Ruggedized Access Point 802.11ac, simultaneous Dual Band, PoE, Mu-MiMo

by DrayTek
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Part No:FEVAP920RPD-K
Manufacturer No:VAP920RPD-K
Delivery: End of Life Product

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DrayTek VigorAp 920RPD Ruggedized Access Point 802.11ac, simultaneous Dual Band, PoE, Mu-MiMo
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    DrayTek VigorAp 920RPD Ruggedized Access Point 802.11ac, simultaneous Dual Band, PoE, Mu-MiMo
    The VigorAP 920R is an 802.11ac Wave 2 access point, which improves performance by increasing the amount of data that can be sent at one time. The 802.11ac Wave 2 standard includes Multi User MIMO (Multiple In, Multiple Out) or MU-MIMO technology, which builds upon MIMO technology.

    The VigorAP's MU-MIMO technology when used with MU-MIMO capable wireless clients, allows each of the antennas (or Spatial Streams) to send data to separate wireless clients, which can potentially double the data transmission rate to clients. This is because instead of spending each transmission slot transmitting to a single client regardless of whether that client can support one or both of the VigorAP's streams, the VigorAP can spend that time slot sending data out to two clients, that each use a single spatial stream.


    One limitation of wireless throughput is the wireless frequency space, which is shared between everyone. A wireless access point sending out data can only send to a single wireless client at a time.

    Once an access point has enough clients connected, the amount of data that can be sent out is divided amonst each wireless client requesting data, with this congestion causing slower transfer speeds as the AP has to spend more time servicing every client. Multi User MIMO allows the VigorAP to send data out to more than one wireless client at a time, so potentially the amount of data that can be sent is divided between the VigorAP's Spatial Streams instead of the access point and its assigned wireless frequency as a whole.

    This is particularly useful in locations with many phones, tablet and laptops connecting, where the VigorAP's more efficient transmissions could allow each access point to serve more clients than an 802.11ac Wave 1 or 802.11n access point.

    AP-Assisted Client Mobility

    A wireless network covering a large area is usually made up of several Wireless Access Points (APs), to provide coverage between rooms and avoid wireless dead spots.
    A wireless client, such as a Laptop, Phone or Tablet, when moving around a building or outdoors, is typically expected to make the decision of when to uncouple from one wireless access point and re-connect to a closer one. In some cases, a client will try to stay connected to an AP even when that client has moved outside of the AP's optimal range, which can result in longer wait times for videos to buffer and pages to load.


    The VigorAP 920R can work in conjunction with VigorAP access points and DrayTek Vigor routers, managing the connection quality of wireless devices, to ensure that the wireless clients maintain a stronger and quicker wireless link when moving around.

    When moving a device such as a tablet between the optimal ranges of a DrayTek Vigor 2862ac router and two VigorAP 920R access points, the router and access points share details of the tablet's connection strength.
    If the tablet moves away from the router, the router can detect if the tablet would have a stronger signal if it was connected to a nearer VigorAP, and when this occurs, the tablet is moved off of the router's wireless, allowing it to quickly re-connect to the closer VigorAP and continue what it was doing with higher throughput and less chance of lagging.

    Band Steering

    Band Steering is designed to 'steer' wireless clients that support both 2.4GHz and 5GHz bands to the faster and less congested 5GHz bands, when possible. This can improve the connection experience for clients for both 2.4GHz only devices and dual-band capable clients; With 5GHz capable devices using the faster 5GHz band, the remaining 2.4GHz clients would experience less collisions and congestion.


    The total capacity (number of clients that can connect) is increased by sharing clients more evenly between each Access Point's band. With clients more evenly distributed between both the APs 2.4Ghz and 5Ghz bands, the overall utilisation of the throughput with each Vigor Access Point is increased.

    Mobile Device Management

    Mobile Device Management (MDM for short) is a feature that allows a VigorAP to determine what type of device is connecting, with details of the device manufacturer and operating system that the device is running.

    Using this information, the VigorAP can apply policies to either block or allow clients of specified types for specific SSIDs, building on the VigorAP's MAC based Access Control List with an automated system that can automatically block devices of a specific type.


    In the example below, mobile devices are not allowed to connect to the office's wireless network (SSID1).

    The VigorAP's Mobile Device Management policy has detected that a device connecting to the "Office" wireless network is a phone, and blocks its connection to the "Office" network. The "Guest" wireless network is not restricted, so this phone can reconnect to the Guest wireless network.
    The VigorAP 920R is an 802.11ac Wave 2 access point, which improves performance by increasing the amount of data that can be sent at one time. The 802.11ac Wave 2 standard includes Multi User MIMO (Multiple In, Multiple Out) or MU-MIMO technology, which builds upon MIMO technology.

    The VigorAP's MU-MIMO technology when used with MU-MIMO capable wireless clients, allows each of the antennas (or Spatial Streams) to send data to separate wireless clients, which can potentially double the data transmission rate to clients. This is because instead of spending each transmission slot transmitting to a single client regardless of whether that client can support one or both of the VigorAP's streams, the VigorAP can spend that time slot sending data out to two clients, that each use a single spatial stream.


    One limitation of wireless throughput is the wireless frequency space, which is shared between everyone. A wireless access point sending out data can only send to a single wireless client at a time.

    Once an access point has enough clients connected, the amount of data that can be sent out is divided amonst each wireless client requesting data, with this congestion causing slower transfer speeds as the AP has to spend more time servicing every client. Multi User MIMO allows the VigorAP to send data out to more than one wireless client at a time, so potentially the amount of data that can be sent is divided between the VigorAP's Spatial Streams instead of the access point and its assigned wireless frequency as a whole.

    This is particularly useful in locations with many phones, tablet and laptops connecting, where the VigorAP's more efficient transmissions could allow each access point to serve more clients than an 802.11ac Wave 1 or 802.11n access point.

    AP-Assisted Client Mobility

    A wireless network covering a large area is usually made up of several Wireless Access Points (APs), to provide coverage between rooms and avoid wireless dead spots.
    A wireless client, such as a Laptop, Phone or Tablet, when moving around a building or outdoors, is typically expected to make the decision of when to uncouple from one wireless access point and re-connect to a closer one. In some cases, a client will try to stay connected to an AP even when that client has moved outside of the AP's optimal range, which can result in longer wait times for videos to buffer and pages to load.


    The VigorAP 920R can work in conjunction with VigorAP access points and DrayTek Vigor routers, managing the connection quality of wireless devices, to ensure that the wireless clients maintain a stronger and quicker wireless link when moving around.

    When moving a device such as a tablet between the optimal ranges of a DrayTek Vigor 2862ac router and two VigorAP 920R access points, the router and access points share details of the tablet's connection strength.
    If the tablet moves away from the router, the router can detect if the tablet would have a stronger signal if it was connected to a nearer VigorAP, and when this occurs, the tablet is moved off of the router's wireless, allowing it to quickly re-connect to the closer VigorAP and continue what it was doing with higher throughput and less chance of lagging.

    Band Steering

    Band Steering is designed to 'steer' wireless clients that support both 2.4GHz and 5GHz bands to the faster and less congested 5GHz bands, when possible. This can improve the connection experience for clients for both 2.4GHz only devices and dual-band capable clients; With 5GHz capable devices using the faster 5GHz band, the remaining 2.4GHz clients would experience less collisions and congestion.


    The total capacity (number of clients that can connect) is increased by sharing clients more evenly between each Access Point's band. With clients more evenly distributed between both the APs 2.4Ghz and 5Ghz bands, the overall utilisation of the throughput with each Vigor Access Point is increased.

    Mobile Device Management

    Mobile Device Management (MDM for short) is a feature that allows a VigorAP to determine what type of device is connecting, with details of the device manufacturer and operating system that the device is running.

    Using this information, the VigorAP can apply policies to either block or allow clients of specified types for specific SSIDs, building on the VigorAP's MAC based Access Control List with an automated system that can automatically block devices of a specific type.


    In the example below, mobile devices are not allowed to connect to the office's wireless network (SSID1).

    The VigorAP's Mobile Device Management policy has detected that a device connecting to the "Office" wireless network is a phone, and blocks its connection to the "Office" network. The "Guest" wireless network is not restricted, so this phone can reconnect to the Guest wireless network.
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