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Table 7 Transceiver electrical specifications [26, 27]

From: Energy consumption analysis of modulation schemes in IEEE 802.15.6-based wireless body area networks

Parameter Nordic nRF24L01+ zarlink zl70101
Supply voltage 3 V 3 V
Transmit current (I TX) 7.5 mA 5 mA
Receive current (I RX) 13.1 mA 5 mA
Sleep current (I Sleep) 900 nA 250 nA
Idle current (I idle) 26 μA 1 mA
Wakeup current (I Wup); 1.5 ms t Wup 400 μA
Wakeup current (I Wup); 1.15 s t Wup 250 nA
Transmit circuit energy/bit \(E_{\text {TX\_Elec}}\) 11.25 nJ/bit 18.75 nJ/bit
Receive circuit energy/bit \(E_{\text {RX\_Elec}}\) 11.25 nJ/bit 18.75 nJ/bit
E add (W/Hz) 3.3×10−14m
E mult (W/Hz) 3.7×10−14 m3
Power amplifier efficiency 1.85