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Table 1 Input parameters for WETI efficiency calculations

From: Smart home gateway system over Bluetooth low energy with wireless energy transfer capability

Receive antenna: Halfwave dipole
Radio propagation model: Friis equation
Min power of received RF signal enabling WETI: −30 dBm
Efficiency of the rectifier (RF-DC conversion): 30 %
Energy storing efficiency (DC to capacitor): 90 %