When was the cordless invented?
The First Cordless Phone on the Market\n\n In 1966, George Sweigert applied for a patent more or less describing the technology behind cordless communications. Serving as a radio operator in the Second World War, he conceived of the device for military purposes in order to improve battle field communications.
How old is the landline phone?
In 1877-78, the first telephone line was constructed, the first switchboard was created and the first telephone exchange was in operation. Three years later, almost 49,000 telephones were in use.
What is the difference between a landline phone and a cordless phone?
A corded landline is one that connects to the provider's cabling through a wall jack. The phone base and the receiver (or handset) are connected by a cord. In a cordless landline, the phone base connects to the cabling through a jack but the handset is connected wirelessly.
What is the maximum range of a cordless phone?
The Maximum Range\n\n Most cordless phones offer about the same range. That's because they all use DECT technology to send out a signal from the base to the handset. As a result, you can expect up to 50 meters range for indoor usage, and up to 300 meters outdoors.