Blue box A blue box is an Electronics, electronic device that produces tones used to generate the in-band signaling tones formerly used within the North American long-distance telephone network to send line status and called number information over voi ...

is an early

phreaking Phreaking is a slang term coined to describe the activity of a culture of people who study, experiment with, or explore telecommunication systems, such as equipment and systems connected to public telephone networks. The term ''phreak'' is a se ...

tool that simulates a telephone operator's dialing console. Blue box may also refer to:

Technology

Link Trainer The term Link Trainer, also known as the "Blue box" and "Pilot Trainer" is commonly used to refer to a series of flight simulators produced between the early 1930s and early 1950s by Link Aviation Devices, founded and headed by Ed Link, based o ...

or Blue Box, a flight simulator * Blue Box, a Mac OS 8 emulation layer from the Rhapsody OS which became the Mac OS X

Classic Environment This is a list of built-in apps and system components developed by Apple Inc. for macOS that come bundled by default or are installed through a system update. Many of the default programs found on macOS have counterparts on Apple's other operat ...

* MXR Blue Box, an

octave effect Octave effect boxes are a type of special effects unit which mix the input signal with a synthesized signal whose musical tone is an octave lower or higher than the original. The synthesised octave signal is derived from the original input signa ...

for electric guitars * Nickname of Hessdalen AMS, as it uses a blue container

Entertainment

TARDIS The TARDIS (; acronym for "Time And Relative Dimension(s) In Space") is a fictional hybrid of a time machine and spacecraft that appears in the British science fiction television series ''Doctor Who'' and its various spin-offs. While a TARDI ...

, or "the blue box", a time machine and spacecraft in the British TV series ''Doctor Who'' * Blue Box (novel), a ''Doctor Who'' novel by Kate Orman * ''Blue Box'' (album), a 1996 album by Kate Ceberano * ''Blue Box'' (manga), a manga series by Kouji Miura * Bluebox Limited, a film production company

Other uses

* Blue Box, common name for the tree species

Eucalyptus baueriana ''Eucalyptus baueriana'', commonly known as blue box or round-leaved box, is a tree that is endemic to south-eastern Australia. It has rough, fibrous or flaky bark on the trunk and branches, egg-shaped adult leaves, oval to diamond-shaped flower ...

and Eucalyptus magnificata * Blue box (WTO agreement), a subsidy category of the World Trade Organization *

Blue box recycling system The blue box recycling system (BBRS) was initially a waste management system used by Canadian municipalities to collect source separated household waste materials for the purpose of recycling. The first full-scale community wide BBRS was impleme ...

, initially a waste management system used by Canadian municipalities * A nickname for

Kraft Dinner Kraft Dinner (marketed as KD in Canada; Kraft Mac & Cheese in the United States, Australia and New Zealand; and Mac and Cheese in the United Kingdom and internationally) is a nonperishable packaged macaroni and cheese mix. It is made by Kraf ...

packaged stovetop macaroni and cheese * A British

police box A police box is a public telephone kiosk or callbox for the use of members of the police, or for members of the public to contact the police. It was used in some countries, most widely in the United Kingdom throughout the 20th century from th ...

* A

severe thunderstorm watch A severe thunderstorm watch ( SAME code: SVA) is a statement issued by weather forecasting agencies to advise the public that atmospheric conditions in a given region may lead to the development of severe thunderstorms within (or near) the reg ...

, in meteorology *

JNF collection boxes The Jewish National Fund (JNF; , ''Keren Kayemet LeYisrael''; previously , ''Ha Fund HaLeumi'') is a non-profit organizationProfessor Alon Tal, The Mitrani Department of Desert Ecology, The Blaustein Institutes for Desert Research, Ben Gurion ...

, Jewish National Fund blue charity collection boxes * Blue Box, a gift given with each purchase made at Tiffany and Co. {{disambig