The R420 from Impinj is a RAIN RFID Reader with 4 Antenna Ports, extendable up to 32 antennas with the Impinj Antenna Hub that supports short and long-range reads. The reader has exclusive operational modes for high throughput, high tag density use cases and patented AutoPilot technology that automatically optimizes the reader's operation for its environment. It provides up to 1100 tag reads per second and has a receive sensitivity of under -84 dBm.The reader measures 7.5 x 6.9 x 1.2 inches, weighs 0.7 kg and is ideal for Inventory management and asset tracking applications.