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Smart TVs, smart robots, smart sockets, smart switches... Do you feel that our lives have been surrounded by various smart terminal products? SKYLAB knows that you already have a spider web extending in all directions in your mind. But in essence, most smart terminal products use wireless communication technologies: including WiFi, Bluetooth, and IEEE 802.15.14 technical standards (such as LORA, Sigfox, NB-IoT, etc.). Among them, the mainstream wireless communication technology of the Internet of Things is the two wireless communication methods known to the majority of users, WiFi and Bluetooth (BlueTooth). In this technical sharing, Mr. SKYLAB will provide you with a super easy to use dual-band WiFi module guide.
First of all, let's popularize the conceptual question, what is a dual-band WiFi module. Dual-band WiFi module refers to a WiFi module that supports both 2.4GHZ and 5GHz frequency bands. The dual-band WiFi module can work in the 5Ghz frequency band, which is much cleaner and can easily avoid mutual interference. The advantage of 2.4G is the ability to penetrate walls, but the disadvantage is that it is susceptible to interference. The advantages of 5G are strong anti-interference ability, wide bandwidth, high throughput, and strong scalability. The disadvantage is that 5G is only suitable for indoor small-scale coverage and outdoor bridges. The attenuation effect of various obstacles on it is much greater than 2.4g many.
Main functions of dual-band WiFi moduleWiFi is a technology that allows electronic devices to connect to a wireless local area network (WLAN), also known as the 802.11 standard, which usually uses 2.4G UHF or 5G SHF ISM radio frequency bands. Connecting to a wireless LAN is usually password-protected; but it can also be open, which allows any device within the range of the WLAN to connect. The dual-band WiFi module has a stronger and more stable Wifi wireless signal, a higher transmission speed, and can make wireless devices more power-saving, meeting future high-definition and big data wireless transmission needs.
List of dual-band WiFi module models
1. 802.11acAP module: SKW78
The module is compatible with 802.11a/b/g/n/ac, providing customers with high-speed WAN/LAN/WIFI up to 1000Mbps, high-performance, highly integrated wireless AP solutions. The module is based on the combination of the chips MT7621A, MT7603E, and MT7612E to realize 2.4G and 5G dual-frequency simultaneous operation. In the 2.4G frequency band, the transmission speed can reach 300Mbps; in the 5G frequency band, the transmission speed can reach 867Mbps.
The module supports AP mode, client mode, relay mode and serial WiFi.
2. 2.4/5.8GHzUSBWiFi module: WG203
WG203 is a 2.4/5GHz dual-band USBWiFi module that supports dual-receiving and dual-transmitting, and the highest rate can reach 300Mbps. The 2.4G frequency band supports 1-14 channels, and the 5G frequency band supports all signals of 5G-5.9G. In 2.4G11n mode, the transmit power can be Up to 14-15dBm; in 5G11n mode, the transmit power can reach 13dBm. The transmission distance can reach 100m. It can be widely used in the field of high-definition video transmission.
3. 802.11acUSBWiFi module: WG211
WG211 is compatible with IEEE802.11a/b/g/n/ac1&TImes;1WLANs, the highest transmission speed can reach 433Mbps, in 11b mode, the transmission power is 18dBm; in 11n mode, the transmission power is 15~16dBm; in 11ac mode, The transmitting power is 9~10dBm, and the transmission distance can reach 150m. It can be applied to devices that require WiFi high-speed transmission and have a USB interface.
How to choose a dual-band WiFi moduleWhen selecting a dual-band WiFi module, roughly pay attention to these parameters of the WiFi module: size, packaging, frequency range, data rate, transmission rate, transmission distance, communication interface, power supply voltage, antenna interface, etc.
The above-mentioned dual-band WiFi modules can well meet the functional needs of users and increase the competitiveness of products. At the same time, the WiFi module is easy to use, which can shorten the user's product development cycle and speed up the product launch! Users can choose according to actual needs!
The above is a guide for the selection of dual-band WiFi modules compiled by SKYLAB. For more selection applications of dual-band WiFi modules, you can go to the official website of SKYLAB to download related information and specifications of dual-band WiFi modules.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.