RTL873xBU
RTL8731BU and RTL8733BU are very small WiFi chips, so RTL873xBU-based net cards are really small, because of that they are extremely popular for tinywhoops. But RTL873xBU-based net cards AREN’T SUITABLE FOR LONG RANGE AND RX USE. 5MHz, 10MHz, 20MHz, 40MHz modes are supported.
BL-M8731BU3
Layout
Top
Bottom
Pinout
| Pin number | Function |
|---|---|
| 1 | GND |
| 2 | NC |
| 3 | VDD 3.3V |
| 4 | DM- |
| 5 | DP+ |
| 6 | GND |
Specifications
| Host interface | USB 2.0 |
|---|---|
| Power Supply | DC 3.3V |
| Antenna connection | IPEX |
| Power output | ≤17dBm(≤50mW)@5G ≤21dBm(≤125mW)@2.4G |
| Supported modes | 5MHz, 10MHz, 20MHz, 40MHz |