Questions about the effective range of cordless phones
1, qualified cordless phones can meet your requirements, the domestic digital cordless telephone is relatively small, more famous are SIEMENS and MOTOROLA 2.4G digital cordless telephone series, but more expensive.2, if the confidentiality requirements are not high, the use of domestic TCL, step by step manufacturers of analog cordless phones can meet the requirements.3, if the digital cordless phone, 2.4G band using Bluetooth, wireless router, wireless mouse, digital interphone, digital frequency hopping technology confidentiality and voice fidelity, digital cordless telephone technology is the earliest. The 1.9G frequency band is relatively small to the user (wireless communication system) and has less flexibility, so it is better to use the digital frequency hopping technology in security and voice fidelity. Its system design is relatively perfect, the expansion function has great development space, in North America instead of 2.4G cordless telephone situation. At present, there are no plans for DECT1.9G cordless phones in china.
Good cordless phones are to meet your requirements, recommend you buy SIEMENS cordless phone, have smuggled machine online, I will now use the open area, the effective distance of 800 meters, 100 meters obstacle is absolutely no problem.
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!
