ISM module Data throughput, RF: 2.4...500 Kbps Data throughput, serial: 1.2...115 Kbps Dimensions L x W: 27.5 x 16 mm Dimensions L x W x H: 27.5 x 16 x 3.5 mm Operating temperature: -20...70 °C Power supply: 2.7...3.6 V RF-Input sensitivity: -77...-99 dBm Contrast: SGerTFre Base frequency: 2.4 GHz Interface: UART (logic level) / A/D / I/O Range with visual contact max.: 80 m Supply current (idle mode) typically: 5 uA