What Does A Modem Do For Wifi

Cellular Modem Or Cellular Router

How Things Work: Wifi Wireless Internet Router And How It Works | Get Fixed

Cellular routers or cellular modems are terms that are commonly used interchangeably. They work very similar to the portable WiFi hotspot. They will require a data-only sim card to access the cellular network and broadcast the radio waves to create a usable WiFi connection.

You can get a cellular modem at your local electronic store, online, or through your cell phone provider. If you get the product through your cell phone carrier, they will provide you with the sim card. If you get the device online or from an electronic store, you might have to purchase the sim card separately. The great thing about cellular routers is that you are able to get larger plans that give you more GB to share.

How Are Modems And Routers Different

The main difference between a modem and a router is that routers distribute data within local area networks , while modems transmit data over phone lines. Modems are also essential for translating analog signals into digital formats, while routers help connect multiple devices to the Internet. Finally, routers come with several Ethernet ports for wired connections, while most modems only have one.

LANs and WANs are the two most dominant and well-known types of area networks, while others have emerged as technology has advanced. A residence typically uses a LAN that connects to the Internet WAN through an Internet Service Provider using a broadband modem. the ISP provides the modem with a WAN IP address, and all computers on the home network use the LAN IP address .All computers on the home LAN can communicate directly with each other, but must pass through a central network gateway, usually a broadband router, to reach the ISP and other locations.

A router is a necessary device for you to use your wireless connection. The modem can provide a WiFi connection. It only needs to ensure that it can connect to the Internet. A good router should support a large number of devices without slowing down the network.

Traditionally limited routers have a limited signal range and connect relatively few devices. If you have a larger home or need to connect more mobile devices and smart home devices, a mesh router is a more suitable router device.

How Do Mesh Networks Work

Mesh network kits consist of 2-3 nodes that work together to create a large seamless wireless network.

  • Use and ethernet cord to connect one node to the modem.
  • Place the other nodes near the problem areas. It’s recommended to place the nodes close enough to another node to receive a strong signal, but far enough away to broadcast the signal into the desired areas.
  • Connect your wireless devices to your wireless network and enjoy.
  • Don’t Miss: How Do Portable Wifi Hotspots Work

    Theyre Designed To Run Continuously

    The engineers who create internet routers design them to run 24/7 so they can always be available to provide you with internet access whenever you need it. As such, some routers dont even have power switchesyoud need to unplug them to shut them down.

    One major advantage of leaving a router plugged in continuously is that its always ready for action. As soon as you unplug a router, then power it back on, the device will go through a boot-up process that might include negotiating a new dynamic IP address from your ISP. The process could take several minutes before your internet access is ready to use again.

    Furthermore, while there isnt a broad consensus about this, some people think that powering an electronic device up and down repeatedly can potentially shorten its lifespan. It puts stress on its internal components with the changes in current and temperatures involved. So if you want to increase the chances of your router or modem lasting longer, leave them turned on all the timeas long as theyre in use. If you dont use them for a long time , turn them off.

    RELATED:Why Does Unplugging a Device Fix So Many Problems?

    Do Wifi Boosters Really Work

    Why Rebooting Your Router Fixes So Many Problems (and Why You Have to ...


    As long as you have a wireless signal in your home or business, WiFi boosters are guaranteed to improve the signal’s range.

    For optimal results, dont hide the booster behind furniture, in a gap between your living room couch and the wall, or place it near appliances that can interfere with the signal. Doing so will degrade the WiFi booster’s range and power, which might cause unsatisfactory results.

    Read Also: Two Wifi Routers

    How A Satellite Modem Works

    Depending on the installation, a satellite modem connects to your satellite dish using one or two coaxial cables. Heres what happens when the modem receives data from a satellite dish:

    Step 1: The low-noise block downconverter on your satellite dish sends the signal across a coaxial cable to your modem.

    Step 2: The analog tract inside the modem converts all received signals to an intermediate frequency signal for use by the demodulator. It then passes the signal through an anti-aliasing filter and is sampled.

    Step 3: The demodulator separates the digital signal from the analog IF-based analog carrier wave.

    Step 4: The analog-to-digital converter reverts the digital wave into a bitstream.

    Step 5: The forward error correction decoder removes artificial redundancy from the bitstream. This redundancy helped reduce errors during the transmission.

    Step 6: The differential encoder removes the modulation that prevented the ones and zeroes from swapping places during transmission.

    Step 7: The descrambler puts all the ones and zeroes back into a logical order. Scrambling data optimizes energy dispersal only.

    Step 8: The demultiplexer splits one multiplexed bitstream into multiple streams if needed.

    Step 9: The media access control and PHY transceiver uses Manchester encoding to convert the bitstream into electrical impulses.

    Some satellite modems do not have a modulator. Instead, they rely on a DSL connection or the local public switched telephone network to upload data.

    Why You Should Buy Your Own Modem

    Your ISP will provide you with a modem when you sign up for their services, but this modem is not free. It’s being rented to you at up to $10 each month, with the cost often buried in the myriad of charges listed on your bill.

    Over the course of a year, this fee can add up to over $120more expensive than buying a modem of your own. If you use the same ISP from one year to the next, youll not only recoup the cost of buying a modem, but save yourself a pretty penny in future rental fees, too.

    You May Like: Can I Have Two Routers In One House

    Why Do I See Two Wifi Networks At Home

    Rogers WiFi modems come with dual-band support for two frequencies: 2.4 GHz and 5 GHz, meaning you have access to two different WiFi networks in your home.

    If you have the Ignite WiFiTM Gateway modem, it has default bandsteering technology and will automatically connect you to the network with the strongest signal. Learn how to check that your Gateway has band steering enabled.

    If you have one of the following Rogers WiFi modems, you have to manually enable band steering. Learn how to enable band steering by selecting your modem below:

    Portable Wifi Hotspot Or Portable Wifi Router

    Modem vs Router – What’s the difference?

    This device is a portable pocket-sized router. It connects to a mobile network through a data-only sim card, similar to how your smartphones connect to the mobile network. After the portable WIFI router picks up the mobile network, it converts the signal and broadcasts the radio waves to let wireless devices connect to the WiFi.

    You can purchase portable WiFi hotspots form your local electronic store or your cell phone provider. They do require an active sim card to work. You can get the sim card from your carrier and get the device activated on a plan that fits your needs. Portable WiFi hotpots have data plans that allow you to share more than 15GB. When you reach the limit your data plan provides, speeds can drastically decrease and extra charges may apply.

    Recommended Reading: Where Is The Reset Button On Blink Mini Camera

    How Long Do Modems Last

    Modems are known for causing annoying and difficult-to-resolve internet access issues. If your Internet suddenly becomes unstable, there’s a reasonable probability it’s your modem, regardless of how old it is. But how long do modems last? Most individuals find that their modem lasts between 2 and 5 years however, this depends on the quality of the modem you buy, technological advancements over that time, and how well you maintain it. So, if your modem is more than three years old and you’re having problems with it, it could be time for a replacement. Many people prefer to rent modems since their internet service provider will replace them if they break down.

    Are you getting everything you need from your home internet?

    Can You Use Any Modem With Your Internet Connection

    No, you cannot use any modem. As described above, you cant use a cable modem with a DSL connection, nor a DSL modem with a fiber connection. Your provider typically supplies the correct device for the internet type you have.

    You can purchase a modem if you want to avoid monthly fees, but it must be authorized by your internet provider. Spectrum, for example, provides a list of compatible modems that work with its three cable internet plans.8 We list the best cable modems for Xfinity, Spectrum, Cox, and more.

    Also Check: Do Southwest Airlines Have Wifi

    Do I Need A Router And A Modem

    Remember that the modem is your networks translator, while the router is more like an air-traffic controller, communicating with the planes, keeping order, and making sure everyone is safe.

    Routers and modems have traditionally been two separate devices that worked together to form your home network. However, with todays technology, you don’t need a separate modem and separate router necessarily, as new combination modem and router units merge the two devices functions into one powerful gadget. These multi-functional machines, like Xfinitys Wireless Gateways, provide all the power you need to read your emails, stream your shows, and connect with your smart devices .

    Although these combo units are designed with advanced technology, theyre easy and straightforward to use. They make it simpler than ever to set up your home network and keep it running reliably and securely. So, while you may need the power of both a modem and a router for all your Internet usage, it may not require two spaces on your shelf. So, next time you find yourself asking, “do I need a modem and router,” talk to your Internet service provider about your options for the optimum home network connection.

    Xfinity is proud to support the Federal Governments Affordable Connectivity Program, a temporary subsidy program available for all tiers of Xfinity Internet service, including Internet Essentials. Learn more about the ACP Program to see if you qualify.

    Benefits For My Webspot

    How Much Do You Pay for Internet Each Month?

    Theres not one, but several benefits of My WebSpot that make it the best WiFi Dongle on the market today. Lets look at them one by one.

    • Unlimited internet around the world You can access unlimited, high-speed internet in over 100 countries.
    • Extended battery life You can enjoy up to 8 hours of usage without charging.
    • No data roaming Yes, youve read that right. No data roaming charges apply. Also, there are no hidden costs. You only need to pay the rental charges.
    • Secure WiFi- You dont need to worry about hackers and cybercriminals eyeing the private data on your device. With My Webspot, your devices are 100% safe and secure.

    Also Check: How To Reset A Blink Sync Module

    A Router Connects Your Devices To The Modem

    TP-Link Archer AX50 router

    If you only had one computer in your house, you could plug it straight into the modem with an Ethernet cable and call it a dayyou’d be connected to the internet and watching cat videos instantly. But most people have more than one computer in their house, not to mention smartphones, tablets, e-readers, and a host of other devices.

    Standalone modems aren’t able to send data to multiple devices simultaneously. They usually only have one Ethernet port, and only produce one IP address, which identifies your location to the internet . A router connects all your home’s devices to each otherthrough Ethernet cables or Wi-Fiand then connects to the modem.

    That router gives each device its own internal IP address, which it uses to route traffic between them. If your modem’s IP address is like the street address of a building, your router’s internal IP addresses are like apartment numbers. Your modem receives information from the internet, sends it to the router, and the router sends it to the computer that asked for it.

    The network created by your router is known as a local area network, or LAN, and it connects you to a larger wide area network, or WAN. In most home cases, your WAN is, for all intents and purposes, the internet.

    Not all routers include Wi-Fisome merely connect computers with Ethernet cables. That’s where the next piece of equipment comes in.

    What Is A Modem

    A modem is a device that sits between two networksyour local area network and your internet providers network. It serves as your local shipping and receiving station.

    So what does it do, exactly? We get into the nitty-gritty of it all if you want the hard technical details. But if we use the sending and receiving station analogy, the modem receives luggage from a delivery truck that crosses a long bridge between the modem and your provider. It then repackages your luggage and sends it along a superfast subway connected to your home networks Grand Central Stationthe router.

    The term modem is short for Modulator and Demodulator, which is what a modem does. On a more technical level, modulation superimposes a digital wave onto an analog radio frequency carrier wave to send data to and from your providers internet network. Demodulation works in reverseit separates the RF carrier wave from the digital data your home network can use.

    If your eyes just glossed over, we get it. Just remember you cant access cable, DSL, or satellite internet without a modem or gateway .

    Read Also: Dunkin Donuts Free Wifi Locations

    Why Do You Need A Modem

    You need a modem to send and receive data from two different networking roads: your internet providers connection and your home networks connection.

    Heres the deal: internet data is already formatted for home network use on your ISPs end, but there are no Ethernet cables between you and your internet provider. So providers use a variety of other methods to send data, which arent Ethernet-compatible. Fiber is also Ethernet-ready, but it uses lines with glass fibers instead of copper wires, requiring the use of an ONT.

    Its all one big networking mess if you think about it. The internet backbone is all fiber, and your internet providers core network is probably fiber, too. The differences generally come from the last mile connection to your home.

    Regardless, translation needs to happen to get Ethernet-ready data across these three different road types. Cable and DSL internet use RF carrier waves to send and receive data across copper wires. In both cases, providers superimpose a digital wave of data onto these carrier waves to travel through its networklike a raft of data flowing down a river of electricity. The modem must lift the digital raft from the electrical waters to extract the passenger ones and zeroes and send them on a subway train to your router.

    Popular Articles

    Related Stories

    Stay on op - Ge the daily news in your inbox