Citizens band radio (also known as CB radio) is, in many countries, a system of short-distance radio communications between individuals on a selection of 40 channels within the 27 MHz (11 m) band. Citizens band not the same as the Amateur Radio Service (“ham” radio) which has a much longer range. In many countries, CB…
Map of submarine cables landing in Australia This map was created by the ACMA and shows the approximate location of international submarine cables presently landing in Australia. It does not show inactive submarine cables or submarine cables connecting Australia to offshore platforms. This map was created for general advice only and is not intended for…
Compare coverage from different phone and internet providers Before we start on the ‘how, why and which’ of mobile phone and internet, take a look at the different providers’ coverage maps. These interactive maps will give you an understanding of which service coverage may be beneficial to you. Provider coverage maps You can now compare the…
Whether you are planning a trip into the Australian outback, towing a caravan on the black top or a weekend 4WD adventurer, then a UHF Radio is an essential communications tool to have. UHF (477MHz) radios have nearly replaced the older 27MHz CBs, mainly due to their considerable price drop over the past decade and…
by Chris Woodford. Last updated: July 22, 2021. Sound—energy we can hear—travels only so far before it soaks away into the world around us. Until electrical microphones were invented in the late 19th century, there was no satisfactory way to send sounds to other places. You could shout, but that carried your words only a little further. You couldn’t shout in New…
Q. What factors should I take into account when purchasing an antenna? A. When choosing an antenna, it is important to consider the terrain in which the antenna is to be used and match the best radiating pattern for the environment.– A 3dBi antenna has a wide pattern, ideal for undulating terrain.– 6-6.5dBi antennas are…
By Lauren DavisTuesday, 02 August, 2022 Share Tweet Share Email The Australian Radio Communications Industry Association (ARCIA) has welcomed the Australian Communications and Media Authority’s (ACMA) decision to allocate 75 MHz of spectrum from 3400–3475 MHz for low-power local area wireless broadband (LA WBB) in metropolitan areas, after the Authority was granted the ability to declare parts of the spectrum for…
1950s Antennas at this time were simple and only covered radio reception functions. Lock Antenna Features Lock Antenna, which can be hidden in the car body, were developed based on the founder’s experience of having the other type of antenna on his personal car broken. Mounting Position 1960s Motorized Antenna Later Model (1990s) Early Model (1960s)…
Antennas receive and transmit radio waves. We are constantly surrounded by various types of radio waves. Although we cannot see them, they are an indispensable part of our daily lives. As shown below, mobile phones and radios are representative devices that use radio waves. In Japan, antennas were called “kuchusen” (meaning aerial wire) till the…
By: Nathan Chandler War zones and disaster areas are a bridge too far for many cell phones. Satellite phones, though, work just about anywhere on the planet.COURTESY IRIDIUM Cell phone technology marches relentlessly forward. What were once luggage-sized bricks that made only voice calls are now slender smartphones with capabilities limited only by your imagination. Well, your imagination…
We want to ensure you have a positive payment experience and have made the checkout process simple. We take responsible lending seriously so credit is only extended to approved customers. Please ensure you read the terms and conditionsfor further information and note that PayRight is not available on all purchases.