Types of wireless fixed telephones

There are two kinds of wireless fixed telephones: GSM and CDMA wireless fixed telephones, which are called G network and C network for short.

There are two kinds of numbers: the traditional fixed-line number at the beginning of the area code and the 1 1 digit mobile phone number.

Frequency: The working frequency range of CDMA wireless fixed telephone receiver is 869 ~ 894 MHz, and the channel interval is 1.23MHz.

The working frequency of GSM wireless fixed telephone is 900MHZ/ 1800MHZ. The channel bandwidth is 200KHZ. GSM900 was first used in China. With the rapid development of communication network scale and the number of users, the original GSM900 network frequency has become increasingly tense. In order to better meet the increase of users,

Long demand, China recently introduced DCS 1800.