Wireless bluetooth handsfree head phones for car,better than car kit and easy receive call

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Q:What is the maximum distance between a cordless phone and a slave?: Actually, there is a nominal value on the manual of cordless phones. Ordinary cordless phone calls are not too far away, although the theoretical value is very high, but in the absence of obstructions, if the use of the family, because there are obstacles so can only meet about 150 square meters of the house,.

Q:What is the effective distance of a cordless telephone?: Cordless telephone is a wireless duplex mobile telephone device that can enter PSTN. It consists of a landline connected to the PSTN subscriber line and one or more handheld cordless telephones that perform the function of the ordinary telephone within a defined range.

Q:How many meters is the cordless phone effective?: The above distance is the actual test data obtained on the ground of open, barrier free and radio free interference. However, when the user in the actual application process, will be subject to obstacles and other reasons, making the distance will be greatly reduced.

Q:How about a cordless phone?: Yes. Cordless telephones are as fixed as regular telephones. Just the receiver doesn't have a line. Then you can pick up the receiver and answer the call in a certain range. That's the concept of a cordless phone

Q:Battery problems with cordless phones: By the way, there are no nickel chromium batteries, only nickel cadmium batteries. Memory is the most severely punished nickel cadmium batteries, nickel metal hydride batteries only a slight memory. Most of the cordless phones and public telephone charging devices are nickel cadmium batteries, because it is cheap.

Q:How far is the distance between a BBK and a PHILPS cordless phone?: Cordless telephone is essentially a combination of full duplex radio and cable system and the logic control circuit, it can through radio waves in the medium of space electric field effectively within the implementation of the auxiliary machine and the plane between the "wireless" link. Most fully simulated cordless telephone set. Simply speaking, cordless telephone telephone body and the handle is separated into the host (machine tools) and auxiliary machine (machine) the two part, the host is connected with the user's phone line telephone network, auxiliary machine maintain communication via a radio channel with the host, not by the traditional telephone handle word limit rope.

Q:What is the difference between a digital cordless phone, a master slave machine and a telephone receiver?: Especially in terms of radiation, transmission power of 2 watts, most of the mobile phone frequency is 900 MHz, and is used in high frequency transmission; and cordless telephone with small power transmitting, microwave radiation produced almost negligible, will not have any impact on the human body. As a result, the popularity of digital cordless telephone is the trend of the times. As digital LCD TV, the elimination of analog CPT TV tube, analog TV, digital cordless telephone, the elimination of analog telephones has become a necessity

Q:Questions about the effective range of cordless phones: Digital cordless telephone for multi room buildings, villas, use double deck.The digital cordless phone has a signal display. As long as there is a signal, it is OK to use it. The digital signal is very stable! Upstairs and downstairs like you can use, and the more floors are not necessarily.I suggest you buy BBK digital cordless telephone, the domestic old brand, the quality is guaranteed, durable, and after-sales service is also convenient (as if the country has more than 300 after-sale centers, national UNPROFOR)The country is currently mostly 2.4G, and 2.4G is generic, meaning that 2.4G can talk to 1.9G's digital phone, but 1.9G can only talk to 1.9G.So I suggest you buy domestic brands!

Q:The home was originally a cord with a rope telephone, now how to change cordless telephone use, you can not change: But the landline still needs to be connected to the phone line. Otherwise, where is the calling signal?. Direct change on the line, do not change the number.

Q:Can Motorola landline cordless phone use another 7 rechargeable battery?: There are two battery packs in the cell phone of a cordless phone. One is a split size 7 rechargeable battery, which can be replaced by free discharge. This is a later product. In the early days, three batteries were fixed together in series, and DIY could do the same. There is also a group of eliminated batteries, plus a plug can also be done

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