What is a cordless phone?
Or what is called a master slave machine?. A landline can be wirelessly connected to 1 to several sub machines. No line, no number, and must be connected to the switchboard via a landline. The utility model has the advantages that the household can conveniently answer the telephone in several rooms without the limitation of the telephone line and the earphone rope. Usually the distance is about 100 meters.
In fact, is the latest digital cordless phone, digital signal encoding, has the advantages of high security, communication performance, due to the use of the frequency of 2.4GHz, so it is called the 2.GHz digital cordless telephone, the current common market is SIEMENS and Matsushita products in China, like BBK production, prices than ordinary lot your cordless.
