
In Australia, it is legal to possess and use radio scanners in all states and territories, except where their use contravenes other laws. For example, it is illegal to install them in cars in most states, and it is illegal to act on any information obtained from them. In New South Wales, it is illegal to monitor telephone services or encrypted transmissions, including police radio. While it is not illegal to own and use a police scanner in Australia, it is important to use them responsibly and not for any illegal activities.
| Characteristics | Values |
|---|---|
| Legality of owning a police scanner | Legal in all states and territories except where it contravenes other laws |
| Legality of using a police scanner | Legal in all states and territories except where it contravenes other laws |
| Legality of installing a scanner in a car | Illegal except in Western Australia |
| Legality of acting on information from a scanner | Illegal |
| Legality of decrypting encrypted broadcasts | Illegal |
| Legality of recording private phone conversations | Illegal |
| Legality of re-transmitting conversations | Illegal |
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What You'll Learn

Radio scanners are legal in Australia
In terms of radio scanner usage, it is important to understand the distinction between possession and use. While it is generally legal to possess and use radio scanners in Australia, there are certain restrictions and consequences associated with their use. One key restriction is the prohibition on decrypting encrypted broadcasts without authorisation. Doing so is illegal, regardless of the source of the broadcast.
Additionally, while listening to police radio transmissions may be possible in some cases, it is important to note that many police departments in Australia are transitioning to digital trunked radios with encryption, making it difficult for the public to listen in. This shift towards digital encryption means that older analogue scanners may become obsolete.
It is also worth noting that while radio scanners can be used to listen to various frequencies, acting on any information obtained from these transmissions may be illegal. Using information obtained from a radio scanner to interfere with police operations or compromise public safety could result in legal consequences.
In summary, radio scanners are legal to possess and use in Australia, but users must adhere to regulations regarding broadcast decryption and refrain from acting on any information obtained through these devices.
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$50.69

It is illegal to act on information from a scanner
While it is not illegal to own and operate a police scanner in Australia, it is illegal to act on information obtained from one. This is a common misconception, and many people believe that using information from a scanner to aid a crime is illegal. However, this is a grey area, as news crews and tow truck drivers often "act" on scanner information without repercussions. Nevertheless, using scanner information to facilitate a crime is illegal and can result in imprisonment under the 1990 Larceny Act.
In Australia, radio scanners are legal to possess and use, except when their use contravenes specific laws. For example, it is illegal to decrypt an encrypted broadcast without authorisation. Additionally, it is important to note that certain types of scanners are outlawed, such as those that cannot be blocked and interfere with emergency lines.
It is also worth mentioning that while listening to police scanners is legal in Australia, it is illegal to pass on private information or provide tip-offs to others. This restriction falls under the Listening Devices Act, which prohibits the interception of telecommunication transmissions connected to telephone networks.
In summary, while owning and operating a police scanner in Australia is generally legal, it is crucial not to act on the information obtained from these devices. Using such information for personal benefit or facilitating a crime is prohibited and can result in legal consequences.
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Scanners are illegal in cars in some states
Scanners are illegal to install in cars in some Australian states. In Western Australia, it is legal to install a scanner in your car, but in other states, you can expect to get in trouble.
While it is illegal to install a scanner in a car in most states, it is not illegal to own or use a scanner in Australia. In fact, radio scanners are legal for possession and use in all states and territories of Australia, except where their use contravenes other laws. For example, it is illegal to decrypt an encrypted broadcast without authorisation, regardless of the source of the broadcast.
It is also illegal to act on any information obtained from a scanner. This includes using the information for your own or someone else's benefit. However, it is not illegal to simply listen to a scanner.
Some people believe that it is only a matter of time before certain apps that have police scanners are banned. This is due to the outrage caused when a police officer chasing a suspect heard their voice being echoed from the suspect's iPhone.
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Scanners can't receive encrypted transmissions
In Australia, radio scanners are legal to possess and use in all states and territories except where their use contravenes other laws. For example, it is illegal to act on any information obtained from a scanner. There is also a restriction on installing scanners in cars.
Scanners cannot receive encrypted transmissions because encryption is the act of scrambling a signal to make it unmonitorable to radios that are not equipped with the proper technology and the correct encryption key. The encryption keys are code numbers that are set up to ensure that only permitted radios can hear and participate in a communication. Modern encryption is most commonly used on P25 digital systems but can also be used on other digital systems. Older analogue systems used rudimentary scrambling that could be cracked with decoder kits or even monitored by some people who could make it out audibly. These analogue systems are rarely encountered today.
Even with various updates, there is no way to decrypt a modern encrypted communication with a scanner. The only way to hear an encrypted communication is with a properly programmed system radio that has been programmed with the encryption keys. Occasionally, police departments with encrypted systems will provide a system radio with basic talk groups to media agencies, and others that might have a legitimate need to monitor them.
While police are increasingly moving towards encrypted transmissions, many other services rarely use encryption, including railroads, aircraft, and business operations.
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Police radio traffic is public
In Australia, radio scanners are legal to possess and use in all states and territories, except where their use contravenes other laws. For example, it is illegal to decrypt an encrypted broadcast without authorisation.
While it is not illegal to listen to police radio communications in Australia, it is illegal to act on or share any information obtained from these scanners. This includes retransmitting conversations heard on the scanner.
It is also worth noting that some states in Australia have specific laws regarding the use of scanners. For example, installing scanners in cars is illegal in most states, except Western Australia. Additionally, some newer scanners that interfere with emergency lines are outlawed without a permit.
With the ongoing advancements in radio technology, older analogue scanners are becoming outdated, and digital equipment is required to listen to the latest encrypted transmissions.
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Frequently asked questions
Radio scanners are legal to possess and use in all states and territories of Australia. However, it is illegal to act on any information obtained from a scanner.
While it is unclear whether it is illegal to have a police scanner installed in your car in Australia, a police officer has been recorded saying, "don't do anything stupid with any info you get from that thing, it's illegal to use the information you know."
In NSW, it is illegal to monitor telephone services or encrypted transmissions, including police radio.










































