What is the difference between digital cordless telephone and analog cordless telephone?
Cordless phones are now more than just a communication device, but part of home decor. Compared with analog cordless telephone, the appearance of 2.4G digital cordless telephone pays more attention to the fashion elements in the design, increased the analysis of user psychology, each with a 2.4G digital cordless telephone is very stylish and beautiful, can be very good to reflect the user's personality and characteristics.
Users who use analog cordless phones find that the phone has very poor ability to resist interference and is prone to cross calls when they are on the phone. Compared with analog cordless telephone, 2.4G digital cordless telephone has superior anti-interference ability, and no channeling phenomenon can occur.
Analog cordless telephone is used in analog signal transmission, the same, and signal transmission radio so affect the propagation of signals between the sub machine and machine, the user will often hear the broadcast voice call, resulting in call clarity affected. 2.4G digital cordless telephone adopts digital coding, ultra high frequency carrier, the quality is very clear, regardless of the distance between the machine and the plane, the call can be guaranteed as clear. Any 2.4G digital cordless phone has a better clarity than the clearest analog cordless phone.
Analog cordless phones operate at a low frequency, only 45~48MHZ. The neighbors can listen to both sides of the phone as long as they use regular FM radio. 2.4G digital cordless telephone with three heavy security measures: 1. using military professional digital codec technology; 2. super dynamic digital multi channel automatic frequency (channel digital cordless telephone can be up to 90 channel analog cordless telephone, generally only 10~20); 3. high frequency transmission. From the security for digital cordless telephone is much stronger than analog cordless telephone, can avoid telephone eavesdropping and steal phenomenon.
At present, the 2.4G digital cordless telephone adopts the most advanced 2.4GHz digital frequency hopping spread spectrum technology, and the signal conversion is realized between the plane and the sub machine through digital signal transmission. Analog cordless phones work by analog signals. Thus, analog cordless phones are much different from 2.4GHz digital cordless phones, either in terms of speed transmission or signal reception.
