RBF Wireless Communication Module
Product Model: DSM-140/141â
Revision History
| Rev. | Date | Update Description |
|---|---|---|
| 1.0 | 2024-09-27 | New version release |
1. Product Descriptionâ
1.1 Purpose and Descriptionâ
The RBF wireless module is a high-performance wireless data transmission module for IOT applications based on the EFR32 chip from Silicon Labs. It features compact size, low power consumption, ultra-long communication range, high security, anti-interference performance, etc. It can be used in all kinds of long-range applications through secondary development and various application scenarios with high requirements for data transmission security and stability.
Excellent RF communication distance and low power consumption to meet a variety of customer needs, complete integrated RF solutions for customers to shorten the development cycle, customers can devote more time to the development of terminal applications.
In addition, RBF provides multiple options in frequency (433 / 868 / 915 MHz) for more than 90% of the countries and regions around the world.
1.2 Product Feature Summaryâ
- Low-power CE/RED approved wireless module with ultra-low power consumption, support to be powered by battery easily.
- Up to 3.5km communication range (in open space), supporting both Star Connection and Mesh Connection for networking, with a huge capacity of up to 10,000 peripherals.
- Safer and more reliable data transmission with the edge-cutting technologies (FHSS, TDMA, and AES-CCM+Encryption, etc).
- Low-code Development with encapsulated protocol stack and easy-to-use APIs, help accelerate the process of production rapidly.
- OTA Multicast technology supports to transfer firmware to multiple peripherals simultaneously.
1.3 Typical Applicationâ
- Wireless Meter Reading System (Water meter, gas meter, heat meter, electricity meter, etc)
- Wireless Security System in House/Villa, Office, Retail and other SMB scenarios
- Electric Vehicles and Charging Points
- Smart Apartment (Express Cabinet, Smart Lock, etc)
- Industrial Automation
2. Product Detailâ
2.1 Interface and Dimensionâ
2.2 Topology & Usageâ
3. Specificationâ
| Model | DSM-140-868 For Gateway | DSM-141-868 For IOT Nodes | DSM-140-915 For Gateway | DSM-141-195 For IOT Nodes |
|---|---|---|---|---|
| Processor | Silicon Labs EFR32 | |||
| Frequency Band | 863 MHz ~ 870 MHz | 902 MHz ~ 928 MHz | ||
| Antenna Option | U.FL, RF pad | |||
| RAM | 64KB | 32KB | 64KB | 32KB |
| Flash | 512KB | 256KB | 512KB | 256KB |
| RF Data Rate | 2 kbps ~ 100 kbps | |||
| Transmit Range (Open Area) | Up to 3.5 km with -1.92 dBi antenna | |||
| Transmit Power | Max. 20dBm | |||
| Receiver Sensitivity | -113.3 dBm @ 38.4 kbps | |||
| Spectrum Utilization | FHSS | |||
| Modulation | FSK Narrowband / DSSS Spreading | |||
| Digital I/O | 21-ch Digital I/O | |||
| Analog Input | 21-ch Analog Inputs | |||
| Networking Topology | Star Connection / Mesh Connection | |||
| Encryption | AES-CCM+Random Number Key | |||
| Image Transmit | Support | |||
| OTA | Multicast OTA, Background Upgrading | |||
| Supply Voltage | 1.7 V ~ 3.8V | |||
| Transmit Current | Max. 85.5 mA | |||
| Receive Current | 3.7 mA | |||
| Sleep Current | 2 ΞA | |||
| Dimension Current | 17 mm (W) Ã 22 mm (H) Ã 4 mm (D) | |||
| Weight | DSM-140: 1.7g/DSM-141: 1.8g | |||
| Operating Temperature | -40 °C ~ 85 °C (-40 â ~ 185 â) | |||
| Storage Temperature | -40â ~ 125â (-40 â ~ 257 â) | |||
| ETSI (Europe) | CE/RED | |||
| RoHS | Compliant | |||
4. QA Requirementâ
| Information Description | Standard(Yes) Custom(No) |
|---|---|
| ESD Testing | Yes |
| RF Antenna Analysis | Yes |
| Environmental Testing | Yes |
| Reliability Testing | Yes |
| Certification | FCC,CE, RoHS |
5. Package Informationâ
| Parameter | Value |
|---|---|
| Packing Type | Tape Reel |
| Packing Quantity | 100 pcs/ tape |