| Use Case | Optimized for 2 read zones | 
                        
                            | Antenna Ports | Two Antenna Ports | 
                        
                            | Throughput | Up to 200 Tag Reads per Second | 
                        
                            | Read Zones ( Maximum ) | 2 | 
                        
                            | Air Interface Protocol | RAIN RFID / UHF Gen 2 ( ISO 18000-63 ) / GS1 | 
                        
                            | Transmit Power ( Maximum ) | FCC: 32.5 dBm AC/ 31.5 dBm PoE ETSI: 31.5 dBm AC/ 30.0 dBm PoE
 | 
                        
                            | Receive Sensitivity ( Maximum ) | -84 dBm Monostatic | 
                        
                            | Return Loss ( Minimum ) | 10 dB | 
                        
                            | Reliability | Enterprise Grade | 
                        
                            | Network Connectivity | 10/100BASE-T Ethernet | 
                        
                            | GPIO | 4 Optically Isolated Inputs and 4 Optically Isolated Outputs | 
                        
                            | USB Ports | 1 device (Type B), 1 host (Type A) | 
                        
                            | Management Console Port | RS-232 using a standard Cisco-style management cable (DB-9 to RJ-45) | 
                        
                            | Power Sources | 802.3af PoE or AC-DC power supply rated for 24Vdc/2.1A | 
                        
                            | Environmental Sealing | IEC IP52 | 
                        
                            | Shock and Vibration | MIL-STD-810G | 
                        
                            | Operating Temperature | -4°F to 122°F (-20°C to 50°C) | 
                        
                            | Humidity Range | 5% to 95% non-condensing | 
                        
                            | Dimensions (H x W x D) | 7.5 x 6.9 x 1.2 in (19 x 17.5 x 3 cm) | 
                        
                            | Weight | 1.5 lb (.7 kg) | 
                        
                            | RoHS Compliant | Yes | 
                        
                            | Warranty and Maintenance Options | 1 year limited warranty with purchase, option to extend 3 year Enhanced Maintenance upgrade available | 
                        
                            | Frequency Bands | 902 to 928 MHz - FCC865 to 868 MHz - ETSI
 | 
                        
                            | Software | RFID Revolution ExpressRFID Starter ToolMulti-ReaderSpeedway ConnectSpeedway SDK, ETK and LTK library support
 | 
                        
                            | RF Certifications | http://www.impinj.com/supported_regions | 
                        
                            | Part #s | IPJ-REV-R220-USA2M1, IPJ-REV-R220-EU12M1, IPJ-REV-R220-GX12M1, IPJ-REV-R220-GX22M1 |