SPECIFICATIONS

This is a compact expansion board integrating an Ethernet port and USB hub, which adds 1 RJ45 network port and 3 USB ports.

Are you still troubled by connecting various USB devices to Raspberry Pi Zero/Zero W/Zero WH? Or do you want a more stable network connection? Then this product is for you—it’s custom-designed for these models.
Of course, if you need to use this product with Raspberry Pi 2B/3B/3B+, it also works, providing multiple network ports and USB ports.

Product Features:
- Built-in 3-port USB expander, compatible with USB2.0/1.1 transmission
- Equipped with RTL8152B Ethernet chip, with RJ45 port (10/100M adaptive)
- Multiple on-board indicators for easy monitoring of the working status of power, network port and USB expansion ports

Product Specifications:
- Operating Voltage: 5V
- Product Dimensions: 65mm*30mm
- Mounting Hole Diameter: 3.0mm

Interface Overview
1. **Raspberry Pi GPIO Interface**
- Easy to connect to Raspberry Pi
2. **USB Expansion Interface**
- USB1 interface, with 3 USB expansion ports
3. **RJ45 Ethernet Interface**
- 10/100M adaptive network port
4. **USB HUB Interface (Back Side)**
- Connects to the USB interface of Raspberry Pi:
- RPI Zero/Zero W/Zero WH: Connect via Micro USB connector
- RPI B+/2B/3B/3B+: Connect via Micro USB cable

Component Overview
5. **TS8121A**
- Network Transceiver
6. **RTL8152B**
- 10/100M Ethernet Controller Chip
7. **FEL15**
- USB HUB Chip
8. **Status Indicators**
- PWR: Power indicator
- ACT: Network port status indicator
- D1-D3: Status indicators for USB1-USB3