Is signal jammers illegal in Australia if yes am i allowed to own but not use?

Yes, signal jammers are illegal in Australia under the Australian Communications and Media Authority (ACMA) regulations. It is prohibited to use, sell, or manufacture these devices, as they can interfere with legitimate communication signals. While owning a signal jammer may not be explicitly illegal, possessing one with the intent to use it for illegal purposes can lead to penalties. It’s best to consult local laws for specific regulations regarding ownership.