👉 In the context of telecommunications, a "coalbox" refers to a small, easily accessible and inexpensive device that is used for making phone calls or other communication purposes. Coalboxes are typically found in mobile phones, where they can be easily inserted into a user's pocket or purse. Coalboxes are known for their ease of use and affordability, with many models available at relatively low prices. They are often considered to be a more affordable option than other types of phone accessories such as smartphones or tablets,
