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Chengdu Ebyte Electronic Technology Co., Ltd.
2.5 Wi-Fi Radio
2.5.1 Wi-Fi RF Standards
Working channel center frequency range
data rate
1
The central frequency range of the working channel shall comply with the national or regional norms and
standards. The software can configure the center frequency range of the working channel .
2
The output impedance of the module with an external antenna connector is 50, and the module without an external
antenna connector does not need to pay attention to the output impedance.
2.5.2 Wi-Fi RF Transmitter (TX) Specifications
Depending on product or certification requirements, you can configure the transmitter target power. For details about the default
power, see Table 1. The spectrum mask and the transmit power when the EVM complies with the 802.11 standard.
Table 1 Transmit power when the spectrum mask and EVM comply with the 802.11 standard
Copyright ©2012，Chengdu Ebyte Electronic Technology Co.,Ltd.
name
Wi-Fi protocol
20 MHz
40MHz
Antenna type
rate
802.11b, 1 Mbps
802.11b, 11Mbps
802.11g, 6Mbps
802.11g, 54Mbps
802.11n, HT20, MCS 0
802.11n, HT20, MCS 7
802.11n, HT40, MCS 0
802.11n, HT40, MCS 7
1
11b: 1, 2, 5.5, 11 Mbps
11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
11n: MCS0-7, 72.2 Mbps (Max)
11n: MCS0-7, 150 Mbps (Max)
PCB antenna, external antenna connector
minimu
m value
(dBm)
—
—
—
—
—
—
—
—
ESP32-S3-WROOM Series User Manual
describe
2412 ~ 2484 MHz
IEEE 802.11b/g/n
typical
maximu
value
m value
(dBm)
(dBm)
20.5
—
20.5
—
20.0
—
18.0
—
19.0
—
17.5
—
18.5
—
17.0
—
2
7
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