This technical guide helps IoT engineers master EU CE marking for wireless hardware by covering RED directives, UKCA comparisons, parameter setups, troubleshooting, and CE-certified module selection.
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RF Module
Industrial RF Transceiver Modules
Ebyte offers a robust lineup of industrial RF transceivers engineered for stability and precision. Our product range covers 230MHz to 2.4GHz bands, integrating high-end chipsets from Semtech, Nordic to ensure long-range RF communication even in noise-congested environments.
- Long-Range LoRa Modules: Products like the E220-900T30D utilize LLCC68/SX1262 technology to achieve ultra-long-distance transmission (up to 10km+) with high interference immunity.
- High-Speed 2.4GHz Solutions: The E01 series (nRF24L01P) features integrated PA+LNA for enhanced signal penetration in smart home and short-range industrial apps.
- Optimized Power Efficiency: Every low-power RF module is designed for battery-operated longevity, supporting multiple sleep modes and Wake-on-Radio (WOR) features.
- Industrial-Grade Reliability: All modules are built to withstand harsh conditions, operating reliably between -40°C to +85°C with CE, FCC, and RoHS compliance.
1. Core Screening Dimensions
You can quickly filter the most suitable RF module through the following 4 dimensions:
| Screening Dimension | Options & Corresponding Product Line |
|---|---|
| Interface Type | • GPIO (Simple Control) → Superheterodyne E160 Series
|
| Frequency Band | • Sub-1GHz (315/433/868/915MHz) → Better wall penetration, longer transmission distance
|
| Transmission Range | • Short range (<1km) → E160, E33, E35 and other low-power compact models
|
| Modulation Scheme | • OOK/ASK → Simple remote control scenarios, lowest cost
|
2. Detailed Parameter Comparison Tables
Table 1: Superheterodyne RF Modules (GPIO Interface)
Split transmitter-receiver design with GPIO control, ideal for basic remote control and low-cost sensing applications.
| Series | Type | Frequency Band | Typical TX Power | Max LOS Distance | Interface | Supply Voltage | Package Form | Key Applications |
|---|---|---|---|---|---|---|---|---|
| E160-M Series | Transmitter + Receiver | 315 / 433.92MHz | 10mW (typical) | 210m | GPIO | DC 1.8–5.5V | SMD / Stamp hole | Simple remote control, small home appliances, consumer electronics |
| E160-F Series | Transmitter + Receiver | 315 / 433.92MHz | 10mW (typical) | 240m | GPIO | DC 2.0–5.5V | SMD / Stamp hole | Superheterodyne receiver, high sensitivity, security alarm, access control |
| E160-20 Series | Transmitter + Receiver | 315 / 433.92MHz | 20dBm (100mW) | 300m | GPIO | DC 1.8–3.6V | SMD / Stamp hole | High-power long-distance remote control, garage doors, gate openers |
| E160-D Series | Transmitter + Receiver | 315 / 433.92MHz | 10mW (typical) | 210m | GPIO | DC 2.0–5.5V | SMD / Stamp hole | Ultra-compact, low power, battery-powered remote devices |
Table 2: General UART RF Transceiver Modules (Plug-and-Play)
Built-in MCU with mature transparent transmission firmware, directly connected via TTL UART, no RF driver development required. Ideal for rapid project validation and mass production.
| Series (Typical Model) | Chipset | Frequency Band | TX Power Range | Max LOS Distance | Interface | Supply Voltage | Modulation | Key Features |
|---|---|---|---|---|---|---|---|---|
| E30 Series
|
SI4438 / SI4463 | 148–880MHz | 10–20dBm | 2km | UART (TTL) | DC 1.8–5.5V | GFSK / FSK | High cost-performance, hardware FEC, watchdog, flexible parameter configuration |
| E33 Series
|
SX1212 | 425–440MHz | 13dBm | 800m | UART (TTL) | DC 3.3V | FSK | Ultra-low power consumption, small package, for battery-powered sensor nodes |
| E30T Series | — | 425–450.5MHz | 20dBm | 3.5km | UART (TTL) | DC 1.8–3.6V | GFSK | Strong penetration, stable performance, industrial on-site data transmission |
| E34 Series
|
nRF24L01+ | 2.4GHz ISM | 10–27dBm | 2–5km | UART (TTL) | DC 3.3V | GFSK | Global license-free band, high data rate, plug-and-play transparent transmission |
| E35 Series | TLSR8208 | 2.4GHz ISM | 10dBm | 450–540m | UART (TTL) | DC 3.3V | GFSK | Domestic chip solution, high cost-performance, small size |
| EWM35T Series | — | 2.4GHz ISM | 6dBm | 230m | UART (TTL) | DC 3.3V | GFSK | Ultra-compact package, low power, for embedded integration |
| E62 Series
|
— | 425–450MHz | 10–30dBm | 1.5–6km | UART (TTL) | DC 2.0–3.6V | GFSK | High-speed continuous transmission, low latency, for real-time data scenarios |
| E330 Series | — | 433 / 470 / 868 / 900MHz | 13dBm | 2.5km | UART (TTL) | DC 3.3V | FSK | Compact design, low cost, for simple wireless data transmission |
Table 3: General SPI RF Front-end Modules (Custom Development)
Pure RF transceiver controlled via SPI bus, suitable for developers who need to design custom protocols and firmware.
| Series (Typical Model) | Chipset | Frequency Band | TX Power Range | Max LOS Distance | Interface | Supply Voltage | Modulation | Key Features |
|---|---|---|---|---|---|---|---|---|
| E01 / E01C Series | nRF24L01P / RF24L01S | 2.4GHz ISM | 0–27dBm | 0.1–5km | SPI | DC 1.8–3.6V | GFSK | Classic 2.4GHz RF front-end, abundant development resources, easy to port |
| E07 Series | CC1101 | 387–925MHz | 10–20dBm | 1–2km | SPI | DC 1.8–3.6V | FSK / GFSK / OOK / MSK | Multi-modulation support, high receiving sensitivity, industrial grade standard |
| E30 SPI Series | SI4438 / SI4463 | 425–925MHz | 20–30dBm | 2.5–5.6km | SPI | DC 1.8–3.6V | GFSK | Strong anti-interference ability, rich configurable parameters |
Table 4: General RF SoC Modules (Integrated MCU)
Single-chip integrated MCU and RF unit, support user secondary development, significantly reduce system size and BOM cost.
| Series (Typical Model) | Chipset | Processor Core | Frequency Band | TX Power | Max LOS Distance | Supply Voltage | Key Features |
|---|---|---|---|---|---|---|---|
| E70 Series | CC1310 | ARM Cortex-M3 | Sub-1GHz (387–925MHz) | 14dBm | 0.5–1.5km | DC 1.8–3.6V | Ultra-low power, high integration, support custom application firmware |
| E51 Series | STM32WL33 / STM32WBA54 | ARM Cortex-M | Sub-1GHz + 2.4GHz | 10–20dBm | 0.21–3.5km | DC 1.8–3.6V | Multi-protocol support, high reliability, suitable for industrial IoT terminals |
3. Quick Selection Steps
- Confirm interface type: Choose GPIO for simple remote control; UART for fast plug-and-play deployment; SPI for custom RF protocol development; SoC for fully integrated embedded development.
- Confirm frequency band: Choose Sub-1GHz for maximum transmission distance and wall penetration; choose 2.4GHz for global license-free use and higher data throughput.
- Match transmission distance: Select the corresponding power grade according to actual communication distance and environmental occlusion.
- Verify package and power supply: Choose the appropriate package form and operating voltage range according to the hardware design of the target device.
- Confirm certification requirements: All standard models support CE/FCC/RoHS certification, suitable for global market sales.
4. Key Application Scenarios
Ebyte RF modules provide the wireless foundation for Industrial Automation (PLC communication), Smart Agriculture (remote soil/irrigation sensing), and Remote Monitoring (smart utility metering and environmental data collection). Whether need an SPI or UART interface, our modules deliver the industrial-grade connectivity required for modern IoT ecosystems.
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