Table 2.

Fleck 3B energy and power consumption at 3.3 volts. Energy requirements for different regimes given; sleeping except to sample and transmit once every 1 min, sleeping except to sample and transmit once every 60 min, and as a permanent receiver.

Operational modes (mA/mW)			Daily energy requirements (J)
Sleep	Transmit	Receive	1 min Tx	60 min Tx	Constant Rx
0.142/0.470	22/73	12/40	50	41	3,456