With the rapid development of wireless communication technology, wireless remote control, 2.4Ghz wireless communication, Bluetooth and WiFi technology are applied to various household products. Wireless doorbell is one of them. Currently there are common wireless doorbells and wireless wifi video doorbells on the market. What are the differences between these two?
A common wireless doorbell wirelessly transmits video or audio signal via 2.4G launch frequency. Transmission distance can reach 400 meters in barrier free area; however, its indoor transmission distance is only about 40 meters. This doorbell does not require wiring; installation is simple and flexible, but the transmission distance greatly varies with on-site environment.
2.4Ghz wireless doorbell and Wifi doorbell have the following differences:
1, 2.4Ghz wireless doorbell only works within the frequency band set by the device; whereas WiFi doorbell is connected by wifi wireless network.
2, Wireless signal on 2.4Ghz doorbell is easily shielded by metal; and it can max penetrated three walls. However, Wifi doorbell can normally work as long as wifi wireless network is available.
3. 2.4Ghz wireless doorbell is mostly made up of indoor unit and outdoor unit and transmitter. Wifi wireless doorbell mainly includes an outdoor unit and mobile phone (with APP software) or an indoor unit (often wireless connected with door camera)
4, Transmission distance on 2.4Ghz wireless doorbell generally refers to the open distance, which is about 300 meters. But Communication distance of Wifi smart doorbell has no restrictions. Within wifi coverage area, it can communication with smart phone..
The wireless doorbell is developed by civilian wireless technology (Zigbee, WIFI, Bluetooth, 2.4G, etc.). Wifi door bell can be categorized into wireless doorbell and its performance is currently the best in the market. But its production cost is several times higher than the ordinary wireless doorbell. Therefore its price is much more expensive; it is mostly used on villa.