WiFi Access Points
We offer WiFi access points of various manufacturers with different features and maximum data rates for different applications such as private users, small office solutions but also for structurally large WiFi networks.
A WiFi access point is used to set up a WiFi network, to extend an existing ethernet network with WiFi, to connect two wired networks (WiFi bridge) or, for example, to integrate a non-WiFi but Ethernet-capable device into a WiFi network (access point in client mode),
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The access point, or AP for short, is used as part of an existing ethernet or WiFi network to deploy a wireless connection or to integrate a non-WiFi-capable device into such a network. In addition, with an access point, it is also possible to connect two networks with each other (WiFi Bridge).
In most households, the standard WiFi router supplied by the Internet provider also assumes the role of an access point. However, due to various environmental conditions, such as furniture or walls that shield the signal from the router, it may be necessary to interpose a WiFi access point in order to amplify the signal and allow all devices in the house access to the WiFi network. When using a WiFi access point, particular importance should be attached to sufficient encryption in order to adequately protect the WiFi network against unauthorized third-party and malicious access. The access point differs from the router mainly in that it does not recognize IP addresses. Accordingly, access to the Internet always requires a router.
WiFi access points usually have different operating modes and can be used either as part of an infrastructure network or for ad hoc operation. In the former case, a distinction is made between Basic Service Set (BSS), Extended Service Set (ESS), Ethernet Bridge, Wireless Bridge, Wireless Repeater and Wireless Distribution System (WDS). Ad Hoc operates the Independent Basic Service Set (IBSS) and the Mesh Network (MANET). Since not all devices are technically compatible, it is advisable to use devices from the same manufacturer for setting up a WiFi network or to obtain sufficient information about possible compatibility beforehand. In the Basic Service Set mode, the WiFi access point forms a closed intranet with all connected or networked devices. Connecting two access points and their networks together is called an Extended Service Set. Both are set to the same wireless network name (ESSID), which means that the devices can access both access points and a higher WiFi range can be achieved. An Ethernet bridge can be used to integrate ethernet-capable devices into a WiFi network. For example, the mobile devices can access a printer wirelessly. In this mode, the WiFi access point transmits the data of the wired network to the WiFi and vice versa, it serves as an interface. The wireless bridge works on the same principle, but not via a wired connection but via Wi-Fi. In the wireless distribution system, one or more access points can take over the task of a WiFi repeater and increase the range of the WiFi network or contribute to ensuring a sufficient signal strength in the network. In ad hoc operation, the various devices communicate directly with each other, so intermediate devices such as access points are actually obsolete. In this case, they only serve to increase the range if the router and the device are no longer within radio range of each other. With a mesh network, every participating device becomes a node and passes data accordingly. This creates a dense wireless network with changing nodes (depending on which operating mode the device is in, it can be part of the network). This allows data to be transferred between devices that are no longer in direct radio contact with each other.
Many access points also have a client function. This is used exclusively for connecting a non-WiFi-capable device to a WiFi network. In this case, the WiFi access point assumes the function of a WiFi adapter. If the access point is used to set up a public network, it is called a hotspot.
How large the range of a WiFi access point is, on the one hand depends on its transmitting power, on the other hand, however, often also on structural conditions. The following applies: Visible antennas usually generate a higher range than internal antennas. If several antennas are available at the access point (MIMO), a higher range is also to be assumed, especially since the transmission direction can also be controlled via the antennas and thus a larger area can be covered. WiFi access points are available for indoor as well as for outdoor use. In this case, they are provided with a robust and weatherproof cover.