Overview
The SPSGRF-868 is a low-power sub-GHz RF module produced by STMicroelectronics, based on the SPIRIT1 RF transceiver. This module operates in the 868 MHz SRD band and is designed to provide a complete RF platform in a compact form factor. It is ideal for integrating wireless connectivity into electronic devices without requiring extensive RF expertise. The SPSGRF-868 is CE certified, ensuring compliance with European regulations.
The module is part of the SPSGRF series, which also includes the SPSGRF-915 operating in the 915 MHz ISM band. These modules are optimized for maximum performance in minimal space, making them suitable for a variety of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Frequency | 868 MHz | |
| Modulation Schemes | 2-FSK, GFSK, MSK, GMSK, OOK, ASK | |
| Air Data Rate | 1 to 500 kbps | |
| Receiver Sensitivity | -118 dBm | |
| Programmable RF Output Power | Up to +11.6 dBm | |
| Operating Temperature Range | -40 °C to 85 °C | |
| Supply Voltage | 1.8 to 3.6 V | V |
| Host Interface | SPI | |
| General I/O | Up to 32 programmable I/O functions on 4 GPIO pins | |
| Certifications | CE certified | |
| Dimensions | 11.5 x 13.5 x 2.0 mm | mm |
Key Features
- Programmable radio features with various modulation schemes (2-FSK, GFSK, MSK, GMSK, OOK, ASK)
- Air data rate from 1 to 500 kbps
- On-board antenna (chip antenna) and integrated balun (BALF-SPI-01D3)
- Receiver sensitivity of -118 dBm and programmable RF output power up to +11.6 dBm
- SPI serial interface and up to 32 programmable I/O functions on 4 GPIO pins
- Operating temperature range from -40 °C to 85 °C
- CE certified, ensuring compliance with European regulations
Applications
- Automatic Meter Reading (AMR)
- Home and Building Automation
- Wireless Sensor Networks (WSN)
- Industrial Monitoring and Control
- Wireless Fire and Security Alarm Systems
- Point-to-point Wireless Links
- 6LoWPAN MESH Networks
- Wireless M-Bus Protocol Stack
Q & A
- What is the operating frequency of the SPSGRF-868 module?
The SPSGRF-868 module operates at 868 MHz.
- What modulation schemes are supported by the SPSGRF-868?
The module supports 2-FSK, GFSK, MSK, GMSK, OOK, and ASK modulation schemes.
- What is the air data rate range of the SPSGRF-868?
The air data rate ranges from 1 to 500 kbps.
- What is the receiver sensitivity of the SPSGRF-868?
The receiver sensitivity is -118 dBm.
- What is the maximum programmable RF output power of the SPSGRF-868?
The maximum programmable RF output power is up to +11.6 dBm.
- What is the operating temperature range of the SPSGRF-868?
The operating temperature range is from -40 °C to 85 °C.
- What certifications does the SPSGRF-868 hold?
The SPSGRF-868 is CE certified.
- What is the host interface of the SPSGRF-868?
The host interface is SPI.
- How many programmable I/O functions does the SPSGRF-868 support?
The module supports up to 32 programmable I/O functions on 4 GPIO pins.
- What are some typical applications of the SPSGRF-868?
Typical applications include AMR, home and building automation, WSN, industrial monitoring and control, wireless fire and security alarm systems, and more.
