Microchip AT86RF231-ZU RF Transceiver IC, 32-Pin QFN
6 V, Maximum Operating Temperature: +85 °C, Minimum Operating Band 1 Frequency: 2405MHz, Minimum Operating Supply Voltage: 1.4, Modulation Technique: O-QPSK, Dimensions: 5 x 5 x 1mm, Mounting Type: Surface Mount, Length: 5mm, Maximum Operating Band 1 Frequency: 2480MHz, Maximum Operating Supply Voltage: 3.15.8 V, Minimum Operating Temperature: -40 °C.