RAIN RFID Hardware Solution for Retail, Logistics & Industrial Sectors
Impinj Speedway R420 RAIN RFID Reader - High-Performance 4-Port Fixed Reader
Impinj Speedway R420 RAIN RFID Reader - High-Performance 4-Port Fixed Reader
Impinj Speedway R420 RAIN RFID Reader - High-Performance 4-Port Fixed Reader
Impinj Speedway R420 RAIN RFID Reader - High-Performance 4-Port Fixed Reader

Impinj Speedway R420 RAIN RFID Reader - High-Performance 4-Port Fixed Reader

The Impinj Speedway R420 is a robust and reliable RAIN RFID fixed reader designed to deliver exceptional item visibility across diverse applications. With four antenna ports and support for up to 32 read zones, this reader provides the flexibility and performance required for inventory management, asset tracking, and supply chain solutions. Featuring Impinj's advanced Autopilot technology, the R420 automatically optimizes RF performance in dynamic environments.

 

Applications

 

  • Retail inventory management

  • Warehouse and logistics tracking

  • Manufacturing process control

  • Asset management systems

  • Library and document tracking

Competitive Advantages

√ Industry-Leading Sensitivity: 93dBm reception enables reliable reads of small/metallic tags in challenging environments
√ Edge Intelligence: Local data processing reduces cloud dependency for real-time analytics
√  Enterprise Security: Secure boot chain + 802.1x port authentication + firmware encryption
√  Developer Ecosystem: Native MQTT/REST APIs + Octane SDK/LLRP toolkits (.NET/Java/C++)

 

 

Impinj Fixed Reader Portfolio

SPECIFICATIONS R720 R700 R420 R220
Air interface protocol RAIN RFID / ISO 18000-63 and EPCglobal Gen2v2 compliant
Antenna ports 4 4 4 2
Read zones (max) 32 32 32 16
Read rate (max per-second) 1,100 1,100 1,100 200
Transmit power (max, dBm) 33 33 32.5 32.5
Receive sensitivity (dBm) per ISO 18046-2 -93 -93 -84 -84
Processor speed (GHz) 1.4 (Quad-core) 1 (Dual-core) 0.4 (Single core) 0.4 (Single core)
Random-access memory (MB) 1,024 1,024 256 256
Custom-application partition (CAP) size (MB) 256 128* 32 32
FEATURES
Impinj IoT Device Interface    
Support for USB peripherals (slots) 3 3 1 1
General-purpose input/output (GPIO) connector Integrated Integrated Accessory Accessory
Gigabit Ethernet network connectivity    
Power Sources 802.3at PoE+ 802.3af PoE / 802.3at PoE+ All regions: AC-DC adapter
All regions except EU2: IEEE 802.3af PoE
EU2: IEEE 802.3at PoE+
All regions: AC-DC adapter
All regions except EU2: IEEE 802.3af PoE
EU2: IEEE 802.3at PoE+
* Can be upgraded to 256MB with v.8.2 firmware.
Impinj product performance is based on Impinj’s modeling and test data, actual results may vary.

Technical Specifications

RF Performance

  • Frequency Ranges:

    • FCC: 902-928 MHz

    • EU1: 865-868 MHz

    • GX1: 902-928 MHz

    • JP2: 916-921 MHz

  • Gen2 Reader Modes: 10 supported modes

  • Return Loss: Minimum 10 dB

  • Antenna Impedance: 50 ohm

Connectivity & Interfaces

  • Network: Gigabit Ethernet

  • USB Ports: 1 host, 1 device

  • GPIO: Supported via accessory

  • Management Console: RS-232 via RJ-45

Environmental Specifications

  • Humidity: 5% to 95% non-condensing

  • Ingress Protection: IP52 rated

  • Shock & Vibration: MIL-STD-810G compliant

 

Hardware Architecture

Category Specifications
Air Interface Protocol RAIN RFID / EPC global UHF Gen2 (ISO 18000-6C)
Antenna Ports 4
Max Read Zones 32 (with antenna hubs)
Max Read Rate Up to 1,100 tags per second
Transmit Power Max 32.5 dBm (FCC, GX1, GX2, GX3)
Receive Sensitivity Typical: -84 dBm
Processor Single-core 400 MHz
Memory 256 MB RAM, 32 MB CAP
Network Connectivity 10/100BASE-T Ethernet
Power Options IEEE 802.3af PoE or AC-DC power supply
Operating Temperature -20°C to +50°C
Regulatory Compliance FCC, CE, RoHS, and regional certifications

 

Software & Development Tools

  • Impinj Speedway Connect - Reader management and configuration

  • Impinj Octane SDK - Application development (.NET and Java)

  • Impinj ItemTest - Performance testing and optimization

  • LLRP Toolkit - Protocol implementation resources

 

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