Datasheet

4 Electrical Characteristics
4.5 WiFi Radio
4.5.1 WiFi RF Standards
Table 10: WiFi RF Standards
Name Description
Center frequency range of operating channel
1
2412 ~ 2484 MHz
Wi-Fi wireless standard IEEE 802.11b/g/n
Data rate
20 MHz
11b: 1, 2, 5.5 and 11 Mbps
11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
11n: MCS0-7, 72.2 Mbps (Max)
40 MHz 11n: MCS0-7, 150 Mbps (Max)
Antenna type PCB antenna, IPEX antenna
1
Device should operate in the center frequency range allocated by regional regulatory authorities.
Target center frequency range is configurable by software.
4.5.2 WiFi RF Transmitter (TX) Specifications
Target TX power is configurable based on device or certification requirements. The default characteristics are
provided in Table 11.
Table 11: TX Power with Spectral Mask and EVM Meeting 802.11 Standards
Min Typ Max
Rate
(dBm) (dBm) (dBm)
802.11b, 1 Mbps — 20.5 —
802.11b, 11 Mbps — 20.5 —
802.11g, 6 Mbps — 20.0 —
802.11g, 54 Mbps — 18.0 —
802.11n, HT20, MCS 0 — 19.0 —
802.11n, HT20, MCS 7 — 17.5 —
802.11n, HT40, MCS 0 — 18.5 —
802.11n, HT40, MCS 7 — 17.0 —
Table 12: TX EVM Test
Min Typ SL
1
Rate
(dB) (dB) (dB)
802.11b, 1 Mbps, @20.5 dBm — –24.5 –10
802.11b, 11 Mbps, @20.5 dBm — –25.0 –10
802.11g, 6 Mbps, @20 dBm — –23.0 –5
802.11g, 54 Mbps, @18 dBm — –28.0 –25
802.11n, HT20, MCS 0, @19 dBm — –23.5 –5
802.11n, HT20, MCS 7, @17.5 dBm — –30.5 –27
Cont’d on next page
Espressif Systems 16
Submit Documentation Feedback
ESP32-C3-WROOM-02 & WROOM-02U Datasheet v0.7