E101-C5 Series is a high-performance dual-band (2.4GHz/5GHz) WiFi 6 + BLE 5.3 module based on the ESP32-C5 chip, offering advanced Matter support and low-latency communication for complex industrial IoT ecosystems.
| Model | Antenna Type | Distance | Interface/Form | Dimensions |
|---|---|---|---|---|
| E101-C5WN8-XS | IPEX-1 External | 560m | SMD Module | 18 * 21.2 * 3.3mm |
| E101-C5WN8-PS | Onboard PCB | 280m | SMD Module | 18 * 27.5 * 3.3mm |
| E101-C5WN8-PS-TB | Onboard PCB | 280m | USB Test Board | 52.9 * 25.4mm |
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Application
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Industrial High-Frequency Interference Environments: In factories where 2.4GHz congestion causes severe packet loss, the E101-C5 utilizes the 5GHz frequency band and WiFi 6 (802.11ax) technology to provide stable, low-latency data backhaul, bypassing electromagnetic noise from heavy machinery.
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Smart Energy Management & Matter Integration: Leveraging the dual-protocol stacks of ESP32-C5, this module acts as a Matter-over-WiFi bridge, enabling seamless interoperability between industrial smart meters and multi-vendor HVAC systems while maintaining high security.
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Long-Distance Remote Monitoring: For outdoor agricultural or infrastructure monitoring, the E101-C5WN8-XS with an IPEX-1 external antenna achieves up to 560m transmission. This solves the coverage gap between standard WiFi devices without requiring expensive mesh infrastructure.
FAQ
Q: How does the ESP32-C5 dual-band capability impact power management in low-power IoT sensor applications?
A: The ESP32-C5 chip in the E101-C5 series features an advanced power management unit that optimizes power consumption across both 2.4GHz and 5GHz bands. When operating in WiFi 6 Target Wake Time mode, the module reduces unnecessary radio activity by negotiating specific wake-up intervals. Under typical 3.3V DC supply, the current draw is minimized during idle sleep periods while maintaining the ability to rapidly transition to active transmission upon detecting sensor triggers.
Q: What are the impedance considerations when integrating the E101-C5WN8-XS using the IPEX-1 external antenna connector?
A: The IPEX-1 interface on the E101-C5WN8-XS is designed for a standard 50-ohm characteristic impedance. To ensure maximum power transfer and minimum Voltage Standing Wave Ratio, engineers must ensure that the connected RF cable and antenna are perfectly matched to 50 ohms. Any impedance mismatch in the signal path can lead to significant signal reflection, which reduces the effective 560m communication range and increases thermal stress on the RF front-end.
Q: How does the E101-C5 series handle logic level compatibility between the module and 5V industrial controllers?
A: The module operates at a typical TTL logic level of 3.3V. When interfacing with 5V microcontroller systems, direct connection to GPIO pins is not recommended as it may exceed the absolute maximum voltage ratings of the ESP32-C5 silicon. Engineers should implement bidirectional level shifters or series current-limiting resistors to protect the I/O pins from transient overvoltage, ensuring the long-term reliability of UART, SPI, or I2C communication interfaces.
