Ebyte E07-900M10S Costo 26MHz crystal Wireless communication equipment 10dBm 868MHz 915MHz TI CC1101 rf chip SMD wireless module

E07-900M10S is an independently developed 855-925MHz SMD wireless module based on the CC1101 chip produced by Texas Instruments (TI), using an industrial-grade high-precision 26MHz crystal oscillator. This ultra-precise, industry-standard wireless module is tailored for performance, reliability, and convenience. Enjoy top-notch technology, and dependability that'll never let you down!

Practical Application Scenarios

1. Smart Home Sensor Networks and Intrusion Detection

In modern smart home ecosystems, end-node devices like magnetic door sensors and motion detectors require months or even years of battery life. The CC1101-based E07-900M10S is ideal for these edge devices. Operating in the 868MHz (Europe) or 915MHz (North America) Sub-GHz bands, it offers significantly better wall penetration than standard 2.4GHz Wi-Fi or Bluetooth. The 10dBm output power provides ample range to cover a large multi-story house, communicating back to a central smart hub reliably while remaining mostly in ultra-low power sleep states.

2. Agricultural Environmental Telemetry Systems

Greenhouses and open-field farming operations utilize distributed sensors to monitor soil moisture, temperature, and ambient humidity. The E07-900M10S is integrated into these localized sensor nodes. Its industrial-grade operating temperature range of -40 to 85 Celsius ensures that the module functions flawlessly during freezing nights or scorching summer days. Furthermore, the high-precision 26MHz crystal prevents thermal frequency drift, ensuring that data packets sync perfectly with localized Ebyte DTU gateways for processing and cloud upload.

3. Industrial Automated Meter Reading (AMR)

Utility companies deploying smart water and gas meters demand RF components with an extremely compact footprint. The tiny 14x20mm SMD package of the E07-900M10S allows hardware engineers to embed it directly onto space-constrained PCBs inside the meter housing. Because water meters are often installed in basements or utility closets, engineers can leverage the onboard IPEX connector to route a U.FL cable to an external antenna mounted outside the metal meter box, maximizing the transmission range for the local collection vehicle or concentrator.

FAQ Section

1. Does the E07-900M10S support direct connection to a standard 5V microcontroller?

No, the module is not compatible with 5V logic. Both the working power supply and the communication logic level (SPI lines) are rated at a typical 3.3V, with an absolute maximum rating of 3.6V. Connecting the RX/TX or SPI pins directly to a 5V MCU (like an Arduino Uno) will inject excess voltage and permanently damage the TI CC1101 chipset. You must implement a bidirectional logic level shifter for safe operation.

2. How do I correctly utilize the dual IPEX and Stamp Hole antenna options on the PCB?

The dual-interface design offers layout flexibility for OEMs. If your device has a plastic enclosure and space permits, you can use the stamp hole (edge castellations) to route a 50-ohm RF trace directly to a custom PCB trace antenna or an edge-mounted SMA connector. However, if your module is housed inside an RF-blocking metallic enclosure, you should snap a compatible pigtail cable onto the onboard IPEX connector to bridge the signal to an external antenna mounted on the outside of the casing.

3. What is the operational advantage of the integrated 26MHz high-precision crystal oscillator?

In narrow-band Sub-GHz communication, extreme temperature fluctuations can cause cheaper crystal oscillators to expand or contract, shifting the actual transmit frequency away from the intended channel. The industrial-grade 26MHz crystal on this module guarantees exceptional frequency stability from -40 to 85 Celsius. This precision prevents frequency drifting, thereby eliminating packet loss and synchronization failures in harsh outdoor or industrial environments.