In the front, the WiFi module is divided into two categories: network card class and AP class for analysis.
The network card type WiFi module communication interface, communication channel, and comprehensive functions can be roughly divided into eight series (USB interface single frequency single channel WiFi module, USB interface single channel multi-function high-performance WiFi module, USB interface dual channel single/dual-band WiFi module, USB interface dual-channel dual-band high-performance multi-function WiFi module, SDIO interface single-frequency single-channel WiFi module, SDIO interface single-channel multi-function high-performance WiFi module, SDIO interface dual-channel single/dual-band high-performance multi-function WiFi module, PCIe Interface wireless network card type WiFi module); AP type WiFi module can be divided into embedded AP module (core board mode, only the interface pin pin) and AP motherboard (that is, the finished product without shell and antenna)
This classification is quite numerous, and it is confusing for selecting the application. Next, the NIC type WiFi module is functionally divided into the following (single-frequency WiFi module, dual-band WiFi module, WiFi Bluetooth 2-in-1 module) for analysis. It will look more intuitive!
WiFi module type 1: single WiFi function single-frequency WiFi module Single-frequency is also working in the ISM2.4 frequency band, currently not alone in the ISM5G (except for the high-power version can only choose single-frequency amplification);
Frequency range: ISM2.4G (2.400GHz ~ 2.497GHz);
Comply with the IEEE 802.11b/g/n standard;
Others only consider the chip solution, module package size, number of communication channels (1T1R, 2T2R), communication interface (USB, SDIO, PCIe), power supply voltage, antenna processing!
1.1: USB interface 1T1R single channel solution mainly includes: RTL8188 series, MT7601UN, AR9271, RT3070; size package is mainly 12.9*12.2mm/LGA-6 and 27*15mm/LGA-6;
1.2: USB interface 2T2R dual channel solutions mainly include: RTL8192EU, RTL8192CU, AR1021G, MT7603UN; size package is mainly 27*15mm/LGA-6;
2.1: SDIO interface 1T1R single channel solution mainly includes: RTL8189 series, AR6302, 88W8801, BCM43362, ESP8089, SV6030P, SP6051P; size package 12*12mm/LGA-44 and 13.5*13/LGA-14 and 14*12.5/LGA13 Mainly
2.2: SDIO interface 2T2R dual channel solution mainly includes: RTL8192ES; size package is mainly 15*13mm/LGA-50;
3.0: The scheme of PCIe interface mainly includes: RTL8188EE (1T1R), RTL8192EE/AR9287/AR9283 (2T2R); size package is mainly 30*26.7/PCIe-52;
Through the following list, it will be clearer at a glance!
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