High speed ethernet modem: A high Speed Ethernet Modem connects to any computer with an available Ethernet port, or to a broadband router to share high-speed Internet access with a group of users at the office
These modems provide speeds of 4Mbps onwards on copper and fibre

Converters: A Media Converter is a simple access equipment that makes it possible to connect two dissimilar media types such as twisted pair with fibre optic cabling.
It basically converts signals on one media type to signals that can travel on a different media without affecting network data traffic

Access Points: Access Points on home or small business networks are small, dedicated hardware devices featuring a built-in network adapter, antenna and radio transmitter
They are configured on wireless local area network (WLANs) and act as a central transmitter and receiver of wireless radio signals including WiFi

Wifi Routers: A Wi-Fi or wireless router delivers single internet connection to WiFi enabled devices in a private network. WiFi Routers can also have features like built-in-firewall, attaching printer on an external drive to the router to share with the network, provide access policies or even set up access for guest connectivity.

LAN Extenders LAN Extenders are used to transmit data over a long distance over networks like twisted pair, coaxial cables, telephone lines etc