CF-815 Four-Channel RFID Reader In-Depth Review: The Impinj E710 Performance King
In-depth review of Chafon CF-815 four-channel UHF RFID reader featuring Impinj E710 chip, 1100 tags/sec speed, 25m range.
CF-815 Four-Channel RFID Reader In-Depth Review
Product Overview
The CF-815 is an industrial-grade four-channel UHF RFID reader from Shenzhen Chafon Technology, featuring the Impinj E710 chip. It's the core device of our GoKart lap counting system.
Key Specifications
| Parameter | Value | |-----------|-------| | Chip | Impinj E710 | | Frequency | 902-928MHz (US) / 865-868MHz (EU) | | Output Power | 0-33dBm adjustable | | Antenna Ports | 4 Channel RP TNC Female | | Inventory Speed | 1100 tags/second | | Reading Distance | 0-25 meters | | Interface | USB, RS232, TCP/IP, GPIO |
Why Choose CF-815?
1. High-Speed Reading
1100 tags/second reading speed ensures stable identification even when karts pass at 60km/h.
2. Four-Channel Design
Supports 4 antenna polling for larger coverage or redundancy for improved reliability.
3. Rich Interfaces
- RS232: Industrial control
- USB: Convenient development
- TCP/IP: Network deployment
- GPIO: Trigger external devices
4. SDK Support
Complete C#, Java, VC, Android SDK significantly reduces development difficulty.
Practical Experience
Baud Rate Configuration
Default 115200bps, extremely stable in testing.
Power Settings
Recommend 26-30dBm for karting scenarios.
Antenna Polling
Use Fast Inventory mode for better response time.
Conclusion
The CF-815 is the best choice for GoKart lap systems - stable, feature-rich, and reasonably priced.