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sleeping at 300ms, it would receive the Beacon package from AP after each 3ms, then the whole average

current is about 0.9mA.

③ Deep-Sleep mode is applied to the case that Wi-Fi is not necessary to connect all the time, just send

a data packet after a long time (e.g., transmit one temperate data each 100s) . it just need 0.3s-1s to

connect AP after each 300s, and the whole average current is much smaller 1mA.

6. Wi-Fi RF Characteristics

The data in the following Table is gotten when voltage is 3.3V and 1.1V in the indoor temperature

environment.

Parameters

Input frequencey

Input impedance

Input reflection

At 72.2Mbps, output power consumption for PA

At 11b mode,

Sensibility

DSSS, 1Mbps

CCK11, Mbps

6Mbps(1/2 BPSK)

54Mbps(3/4 64-QAM)

HT20, MCS7(65 Mbps, 72.2 Mbps)

Adjacent Inhibition

OFDM, 6Mbps

OFDM, 54Mbps

HT20, MCS0

HT20, MCS7

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Table 6.1 Wi-Fi RF Characteristics

output power consumption for PA

ESP-M1/M2 User Mannual

Min

Classical

2412

15.5

16.5

19.5

20.5

-98

-91

-93

-75

-72

Max

Unite

2484

MHz

-10

17.5

dBm

21.5

dBm

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