The Ebyte E103-W14X is an ultra-compact 10x10mm low-power Wi-Fi and BLE5.2 combo serial module featuring 18dBm transmit power, 500m range, IPEX antenna, AP/STA/AP+STA modes, and MQTT/MQTTS protocol support for smart home and industrial control.
| Technical Parameter | E103-W14X Specification | Remarks / Details |
|---|---|---|
| Communication Protocol | IEEE 802.11b/g/n + BLE 5.2 | Dual-mode Wi-Fi and Bluetooth Low Energy |
| Operating Voltage | 2.7V to 3.6V DC | Low-power 3.3V system power supply |
| RF Transmitting Power | 18 dBm | Optimized for long-range wireless links |
| Max Communication Distance | 500 meters | Open line of sight condition |
| Wi-Fi Working Modes | AP, STA, AP+STA Coexistence | Flexible network topology support |
| IoT Network Protocols | MQTT / MQTTS Encryption | Direct cloud platform connectivity |
| Antenna Interface & Size | IPEX Connector, 10 x 10 mm | Ultra-small footprint for compact IoT devices |
| RF parameters | Unit | Model | Remark |
| WiFi protocol | - | IEEE 802.11b/g/n | - |
| BLE protocol | - | BLE5.2 | - |
| Wi-Fi transmission rate | - | 802.11b：1Mbps、2Mbps、5.5Mbps、11Mbps 802.11g：6Mbps、9Mbps、12Mbps、18Mbps、24Mbps、36Mbps、48Mbps、54Mbps 802.11n：HT20 (MCS0~MCS7) |
- |
| Antenna form | - | IPEX | Characteristic impedance is about 50 ohms |
| reference distance | M | 500 | Antenna gain 5dBi, module and device communication |
| frequency band | GHz | 2.4 (WiFi, BLE) | Supports global license-free ISM 2.4GHz frequency band |
| RF parameters | unit | model | Remark | |
| Working voltage | V | 2.7-3.6V | Exceeding 3.6V will permanently burn the module | |
| Communication level | V | 3.3 | Using 5V TTL risks burning out | |
| Power consumption | Transmit power | dBm | 18 | - |
| Emission current | mA | 200 | - | |
| receive current | mA | 33 | - | |
| Sleep current Sleep1 | uA | 3 | In this mode, the clocks of the MCU and all digital peripherals are stopped, and the system only has a 32K clock; only some hardware modules are working at this time, and only GPIO interrupts and AON counter interrupts can wake up the system and return to normal voltage to continue running. | |
| Sleep current Sleep2 | uA | 0.5 | In this mode, the system only has a 32K clock, and only some hardware modules are working at this time. Except for the AON module, other hardware modules have been powered off. | |
| temperature | working temperature | ℃ | -40～+85 | Industrial grade |
| storage temperature | -40～+95 | - | ||
| Hardware parameters | Model | Remark |
| Flash | 2MB | - |
| RAM | 256 KB | - |
| Main frequency | 120MHz | - |
| Packaging method | patch | - |
| size | 10*10mm | The error size is ±0.2mm |
| weight | 0.4±0.1g | The error is ±0.1g |
Practical Application Scenarios
1. Smart Home Appliance BLE Commissioning & Cloud Provisioning
In smart appliance manufacturing, simplifying initial Wi-Fi network pairing is crucial for user experience. Using the E103-W14X module, home appliances leverage BLE 5.2 to establish a seamless local Bluetooth connection with a mobile app for fast Wi-Fi credential provisioning. Once configured, the module switches to Wi-Fi STA mode, utilizing built-in MQTT/MQTTS protocols to securely push telemetry data to IoT cloud servers across a 500m coverage radius.
2. Industrial Site Sensor Network Access via AP+STA Dual Mode
In complex factory shop floors, edge data collectors must bridge local sensor nodes while reporting back to central SCADA systems. The E103-W14X operates in AP+STA coexistence mode, acting as an Access Point for field maintenance technicians using tablets while simultaneously acting as a Station connecting to the plant's 802.11b/g/n Wi-Fi infrastructure. Its 18dBm RF output ensures robust transmission through industrial obstacles.
3. Space-Constrained Smart Utility Metering Terminals
Compact power meters and smart water monitoring hubs require miniature wireless modules due to restrictive housing dimensions. With its micro 10x10mm footprint and IPEX external antenna connector, the E103-W14X easily fits into tight internal PCB layouts. Operating on a 2.7-3.6V low-power supply rail, it provides reliable low-rate telemetry reporting over encrypted MQTTS links back to municipal utility dashboards.
FAQ Section
1. What advantages does the MQTTS protocol support provide for industrial IoT security?
The integrated MQTTS protocol provides TLS/SSL encryption over standard MQTT messaging. This ensures that sensor data, device status, and control commands transmitted between the E103-W14X module and cloud platforms are fully encrypted, protecting industrial networks against data eavesdropping and unauthorized tampering.
2. How does the IPEX antenna connector benefit small form-factor hardware designs?
The onboard IPEX antenna connector allows hardware engineers to attach flexible coax cables or external high-gain rubber duck antennas outside metal enclosures. This prevents signal attenuation caused by metallic cabinet shielding, ensuring the full 18dBm output power and 500m transmission range are achieved even in tight structural enclosures.
3. Can the BLE 5.2 and Wi-Fi functions operate concurrently on the E103-W14X?
Yes, the integrated software and hardware architecture supports coexisting Wi-Fi and BLE 5.2 operations. This enables seamless background Bluetooth scanning or local device configuration via smartphone apps without disrupting active Wi-Fi data uplink frames to cloud servers.
