The Ebyte E07 series comprises industrial-grade sub-GHz SPI wireless transceiver modules powered by the TI CC1101 RF chip, operating across 400MHz, 433MHz, and 900MHz bands with optional 10dBm to 20dBm transmit power, delivering ultra-low power consumption and reliable long-range data buffering for sensor networks and telemetry applications.
| Product Series / SKU | Core Chip | Operating Frequency | Max TX Power | Hardware Interface | Form Factor / Antenna Type |
|---|---|---|---|---|---|
| E07-400M10S / E07-400MM10S | TI CC1101 | 433 MHz (387 to 464MHz) | 10 dBm | SPI | SMD (Stamp Hole) / IPEX |
| E07-433M20S | TI CC1101 + PA | 433 MHz | 20 dBm | SPI | SMD (Stamp Hole) |
| E07-900M10S / E07-900MM10S | TI CC1101 | 868/915 MHz | 10 dBm | SPI | SMD (Stamp Hole) |
| E07-M1101D-SMA / E07-M1101D-TH | TI CC1101 | 433 MHz | 10 dBm | SPI | DIP / SMA-K Connector |
| E07-400MBL-01 / E07-900MBL-01 | TI CC1101 | 433 MHz / 868/915 MHz | 10 dBm | USB / UART | Evaluation / Test Board |
| Pre-matched Antenna Combos (e.g., E07-433M20S+TX433-JKS-IPX20) |
TI CC1101 | Matches base module | Matches base module | SPI | Includes FPC / IPEX / Rubber Duck Antennas |
Practical Application Scenarios
1. Active RFID and Factory Asset Tracking
In industrial environments, tracking tools and materials requires ultra-low power consumption to ensure battery longevity on active RFID tags. The E07-400M10S module, featuring the TI CC1101 chip, supports Wake-on-Radio (WOR) functionality. This allows the asset tags to remain in a deep sleep state for extended periods and instantly wake up upon receiving a specific RF preamble from the factory's central SPI control hub, extending coin-cell battery life for up to several years.
2. High-Penetration Building Automation Systems
Smart commercial buildings often suffer from Wi-Fi dead zones due to thick concrete walls and structural steel. For HVAC and lighting control networks, engineers integrate the E07-433M20S. By leveraging the superior wall-penetration characteristics of the Sub-GHz 433MHz frequency paired with a boosted 20dBm transmit power, sensors and actuators can maintain robust wireless telemetry across multiple floors without requiring complex mesh network routing or additional repeaters.
3. Rapid Prototyping for Environmental Telemetry
For R&D teams developing outdoor weather stations, minimizing the hardware tuning phase is critical. By selecting pre-matched combinations like the E07-900M10S+TX915-FPC-8521 or utilizing the E07-900MBL-01 test board, embedded developers can immediately evaluate the 900MHz RF performance. The perfectly matched impedance between the module and the included FPC antenna ensures maximum signal radiation efficiency, allowing engineers to focus purely on coding the SPI drivers and sensor logic.
FAQ Section
1. How do I choose between the 10dBm and 20dBm versions of the E07 series modules?
The choice depends entirely on your power budget and range requirements. The standard 10dBm versions (like the E07-400M10S) are optimized for ultra-low power applications driven by coin-cell batteries, offering sufficient range for indoor or short-range outdoor use. The 20dBm versions (like the E07-433M20S) include an integrated Power Amplifier (PA), dramatically extending the communication distance for large-scale outdoor deployments, but they require a more robust power supply to handle the higher peak transmission current.
2. Is the SPI logic interface of the E07 series compatible with standard 5V microcontrollers?
The core TI CC1101 chip operates on a strict voltage range of 1.8V to 3.6V. Therefore, you cannot connect the SPI logic pins directly to a 5V microcontroller. Doing so will permanently damage the RF chip. If your system architecture uses a 5V MCU, you must implement a bidirectional logic level shifter or use a dedicated voltage divider circuit on all SPI communication lines (CSN, SCK, MOSI, MISO) to ensure stable and safe data transfer.
3. What is the advantage of purchasing the E07 modules as a combo with an antenna?
RF matching is a complex engineering challenge. When you purchase our pre-matched combos (such as the E07-433M20S+TX433-JKS-IPX20), you are receiving an antenna that has been rigorously tested in the Ebyte anechoic chamber to perfectly match the 50-ohm impedance of that specific module. This eliminates the risk of high Voltage Standing Wave Ratio (VSWR), prevents signal reflection, and ensures you achieve the absolute maximum theoretical communication distance out of the box.
