Learn how wired and wireless backhaul support industrial mesh network operations, solving multi-node relay latency, link bottlenecks, and network collapse risks. Covers LoRa/E90-DTU/E22 node deployment for factory IoT and long-distance mesh relay scenarios.
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UART Module
Ebyte UART Wireless RF Module Selection Guide
Ebyte UART (TTL) wireless RF modules integrate a high-speed MCU and high-performance RF chip, providing standard UART interface with transparent data transmission. Engineers can realize wireless communication between modules and host MCUs without mastering complex RF protocol stacks, greatly reducing development difficulty and shortening R&D cycles.
All series support functions such as fixed-point transmission, broadcast transmission, forward error correction (FEC), watchdog, deep sleep, air wake-up, parameter saving and variable packet length. They are widely used in industrial IoT, smart home, security monitoring, agricultural sensing and consumer electronics fields.
How to Select UART Module?
| Screening Dimension | Corresponding Product Series & Recommendations |
|---|---|
| Transmission Distance | • Short range (<1km): E33, E35, EWM35T, E49 • Medium range (1-5km): E30, E30T, E34, E48, E70, E62, E330, EWM521 • Long range (5-10km): E22, E290, EWM293, E50, E610 (Mesh multi-hop) |
| Carrier Frequency Band | • 2.4GHz (global license-free): E34, E35, EWM35T, EWM521 • Sub-1GHz (433/470/868/915MHz): E30, E33, E30T, E48, E49, E70, E220, E22, E50, E610, EWM293, E62, E330, E290 |
| Modulation Technology | • FSK/GFSK (high rate): E30, E33, E30T, E34, E35, EWM35T, E49, E70, E220, EWM521, E62, E330 • LoRa spread spectrum (ultra-long range, strong anti-interference): E22, E290, EWM293, E50, E610 • DSSS: E48 |
| Networking Function | • Point-to-point transparent transmission: Most basic series • Star networking: E48 series • Mesh self-organizing network: E610 series |
| Power Consumption Requirement | • Battery-powered ultra-low power: E33, E330, E35 series • Wired power supply / high power: E22, E290, EWM293 high-power series |
Full Series Parameter Comparison Table
| Product Series | Chipset | Frequency Band | TX Power | Max LOS Range | Modulation | Key Features |
|---|---|---|---|---|---|---|
| E30 Series | SI4438 / SI4463 | 148 – 880 MHz | 10 – 20 dBm | 2 km | GFSK / FSK | Air wake-up, FEC, watchdog, flexible frequency |
| E33 Series | SX1212 | 425 – 440 MHz | 13 dBm | 800 m | FSK | Ultra-low power, high sensitivity, small package |
| E30T Series | — | 425 – 450.5 MHz | 20 dBm | 3.5 km | GFSK | Long range, strong anti-interference, industrial grade |
| E34 Series | nRF24L01+ | 2.4 GHz ISM | 10 – 27 dBm | 2 – 5 km | GFSK | Global free band, high data rate, multi power levels |
| E35 Series | TLSR8208 | 2.4 GHz | 10 dBm | 450 – 540 m | GFSK | Cost-effective, low power, compact size |
| EWM35T Series | — | 2.4 GHz | 6 dBm | 230 m | GFSK | Ultra-small size, wide temp range -40~+85℃ |
| E48 Series | — | 433 / 915 MHz | 14 – 30 dBm | 2.5 – 6.5 km | DSSS | Star networking, CSMA/CA, AES encryption |
| E49 Series | — | 433 / 900 MHz | 20 dBm | 2.5 km | FSK | Plug-and-play, transparent transmission, low cost |
| E70 Series | — | 400 / 900 MHz | 20 – 30 dBm | 2.5 – 5.5 km | FSK / GFSK | Strong anti-interference, wide voltage, high reliability |
| E220 Series | — | 433 / 900 MHz | 20 dBm | 2.5 km | FSK / GFSK | Compact size, AT command configurable, plug-and-play |
| E22 Series (LoRa) | SX1262 / SX1268 | 410 – 930 MHz | 22 – 30 dBm | 5 – 10 km | LoRa Spread Spectrum | Ultra-long range, low power, AES encryption, air wake-up |
| E50 Series | EFR32FG23 | 868 / 915 MHz | 20 / 30 dBm | 5 – 10 km | GFSK / LoRa | High performance, multi-protocol, industrial grade |
| E610 Series (LoRa Mesh) | — | 433 / 868 / 915 MHz | 20 / 27 dBm | Multi-hop unlimited | LoRa Mesh | Decentralized Mesh, self-healing, multi-hop relay |
| EWM521 Series | — | 2.4 GHz | 20 / 27 dBm | 0.8 – 1.6 km | GFSK | High speed, 2.4GHz global band, high throughput |
| EWM293 Series | — | 470 – 510 MHz | 20 / 30 dBm | 5 – 10 km | LoRa | Strong penetration, long range, industrial stability |
| E62 Series | — | 425 – 450 MHz | 10 – 30 dBm | 1 – 3 km | GFSK | IO control, FEC, strong anti-interference |
| E330 Series | CC1310 | 425 – 922 MHz | 10 – 30 dBm | 1.5 – 6 km | GFSK | Ultra-low power SoC, high reliability, wide frequency |
| E290 Series | PAN3060 / PAN3029 | 433 / 470 / 868 / 900 MHz | 20 – 30 dBm | 5.6 – 10 km | LoRa | Domestic chip, cost-effective, long range |
* Max LOS range is tested in open environment with matched antenna. Actual distance varies with building occlusion and electromagnetic interference.
Typical Application Scenarios
Industrial Automation
Wireless communication for PLC, CNC machine tools and AGV cars; remote data acquisition of production line sensors; distributed equipment monitoring.
Smart Home & Building
Smart lighting, curtain motor control, security alarm system, access control integration, building automation sensor network.
Smart Agriculture & Environment
Soil moisture monitoring, greenhouse environment sensing, irrigation remote control, forest fire prevention, hydrological monitoring.
Smart Metering & Utilities
Remote water / electricity / gas meter reading, heat meter data collection, distributed energy monitoring, power grid sensing.
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