The Ebyte E103-RTL8189FTV is a low-cost, high-performance WiFi module based on the Realtek RTL8189FTV-VC-CG chipset, operating in the 2.4GHz band with IEEE 802.11b/g/n compliance, featuring a robust 16dBm transmit power, a 150Mbps maximum data rate, and an SDIO 2.
| Parameter | Specification |
|---|---|
| Chip Solution | RTL8189FTV-VC-CG |
| Frequency Band | 2.4 GHz |
| WiFi Protocol | IEEE 802.11b/g/n |
| Transmit Power | 16 dBm |
| Data Rate | Up to 150 Mbps |
| Interface | SDIO 2.0 |
| Dimensions | 12 x 12 x 1.9 mm |
| RF parameters | Unit | Numerical value | Remark |
| Transmit power | dBm | 15~17 (typical value is 16) | - |
| WiFi protocol | - | IEEE 802.11b/g/n | - |
| reference distance | M | 200 | Antenna gain 5dBi, module and device communication |
| Communication interface | - | SDIO 2.0 | - |
| Working frequency band | GHz | 2.4~2.484 | Supports global license-free ISM 2.4GHz frequency band |
| working temperature | ℃ | -20~70 | - |
| Working humidity | RH | 10%~95% | No condensatio |
| Hardware parameters | Parameter details | Remark |
| chip | RTL8189FTV-VC-CG | - |
| Packaging method | patch | - |
| Antenna interface | stamp hole | Characteristic impedance is about 50 ohms |
| Communication interface | SDIO 2.0 | - |
| size | 12*12*1.9mm | The error size is ±0.2mm |
| weight | 0.69g | The error is ±0.1g |
Practical Application Scenarios
1. Embedded Multimedia Streaming Devices
The high throughput capability of the E103-RTL8189FTV makes it an excellent choice for smart home multimedia terminals, such as digital photo frames and internet-enabled audio players. By utilizing the SDIO 2.0 interface for fast data transfer, this module ensures smooth, high-fidelity wireless content streaming to devices where physical Ethernet cabling is restricted or impossible.
2. Intelligent Industrial Terminal Displays
In smart factory environments, human-machine interface (HMI) panels often require reliable, high-speed connectivity to server systems. This module provides a cost-effective WiFi solution for embedded tablets and operator terminals, allowing for real-time firmware updates, diagnostic log uploads, and interactive control via local 2.4GHz WiFi networks.
3. Smart Appliance Network Integration
Modern home appliances such as smart refrigerators, air purifiers, and washing machines require integrated, low-cost WiFi connectivity for cloud-based remote control. The compact 12x12mm form factor of the E103 allows for easy integration into existing PCB layouts, providing high-performance network connectivity that supports the rich feature sets requested by modern appliance OEMs.
FAQ Section
1. Does the SDIO interface provide any performance benefits for this module?
Yes, the SDIO 2.0 interface is significantly more efficient than standard UART or USB-based WiFi solutions for embedded systems. It offers lower CPU utilization and higher data throughput, which is essential for maintaining the 150Mbps maximum data rate supported by the 802.11n protocol.
2. Is this module suitable for operating in high-density WiFi environments?
The module fully complies with IEEE 802.11b/g/n standards and utilizes the robust 2.4GHz ISM band. It is well-suited for typical indoor office and industrial environments. For dense environments with heavy 2.4GHz traffic, it is recommended to ensure proper antenna design and utilize optimal channel selection to maximize signal integrity.
3. Are Linux drivers available for this Realtek-based module?
Yes. Since the module uses the proven RTL8189FTV chip, it is widely supported across many Linux-based development platforms. Ebyte provides technical documentation to assist engineers with driver integration and configuration within standard embedded Linux distributions used in industrial controller designs.






