Canada
The commonly used signal frequency band in North America is 2G\3G\4G. We will introduce these frequency bands in detail below:Important frequencies bands
First, let's take a look at some of the signals that are commonly used todayThe 10 most commonly used frequencies in Canada
VHF (138-174 MHz)
One of the first frequencies to be widely used is still the go-to for marine, air-to-ground and land mobile radio (LMR) radio users. It provides great range with reasonable voice quality and some limited data applications. Licensed spectrum can be difficult to secure – especially in urban areas.
UHF (406-470MHz)
Another popular LMR frequency for push-to-talk voice, UHF offers better building penetration and tends to perform better in urban environments. UHF is also used for affordable SCADA applications. Licensed spectrum.
700 MHz
Industry Canada has made 700 MHz available only for public safety and related organizations. Initial uptake is for LMR, especially for wide area systems being shared by multiple agencies. New LTE systems are starting to be deployed which offer rich data capabilities for increasingly popular public safety applications like mobile video. Licensed only for public safety.
800 MHz
The 800MHz spectrum has been a workhorse for trunked two way radio systems for public safety and private systems. Public safety use is declining quickly in favor of 700MHz, but expect to see it continue for commercial applications like oil & gas plants. Licensed.
900 MHz
Widely used for everything from your cordless phone (if you still have one) to your rural wireless internet service provider. Easy to deploy, as no Industry Canada licensing is required. Also means possible interference and conflict with others and Industry Canada not likely to intervene to help resolve. Still great for certain applications, but not suitable for mission-critical. License-free.
2.4 GHz
Another license-free and busy piece of spectrum. Some 900MHz devices migrated to 2.4GHz to get to fresh spectrum but the now-dominant use is for the ubiquitous WiFi. Even WiFi is finding this spectrum a bit congested and with 802.11ac is moving up to also use 5GHz. License-free.
3.65 GHz
Remember when WiMax was announced as the “WiFi on steroids’ that would be the new standard because of its range and bandwidth? Not likely to happen at this point. Still municipalities and wireless internet providers (WISPs) typically deploying point-to-multipoint with some comfort of more controlled spectrum. Lightly licensed.
4.9 GHz
Another set-aside protected for public safety and associate users. Ideal for point-to-point links for public safety applications like backhauling video surveillance and linking public safety towers and sites. Licensed.
5.7/5.8 GHz
Similar performance and uses to 4.9 GHz but open to all. Excellent for both point-to-point and point-to-multipoint applications that need bandwidth and now also WiFi. It’s license-free which means spectrum cannot be protected, but good RF planning and design can deliver high-reliability bandwidth for a wide range of public and private sector uses. License-free.
6–30 GHz
Used for high-performance point-to-point links when big bandwidth and/or high availability is critical. This is licensed spectrum which provides confidence that your deployment will have dedicated frequencies, although comes with the associated licensing and equipment costs. Licensed.
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