ESP8684 datasheet(49/60 Pages) ESPRESSIF

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6 RF Characteristics

Table 30: RX Adjacent Channel Rejection

Min

Typ

Max

Rate

(dB)

802.11b, 1 Mbps

—

802.11b, 11 Mbps

—

802.11g, 6 Mbps

—

802.11g, 54 Mbps

—

802.11n, HT20, MCS0

—

802.11n, HT20, MCS7

—

6.2

Bluetooth 5 (LE) Radio

Table 31: Bluetooth LE RF Characteristics

Name

Description

Center frequency range of operating channel

2402 ~ 2480 MHz

RF transmit power range

–24.0 ~ 20.0 dBm

Table 32: Bluetooth LE - Transmitter Characteristics - 1 Mbps

Parameter

Description

Min

Typ

Max

Unit

Carrier frequency offset and drift

Max

|fn|

n=0, 1, 2, ..k

—

1.0

—

kHz

Max

|f0 − fn|

—

2.3

—

kHz

Max

|fn − fn−5|

—

1.4

—

kHz

|f1 − f0|

—

1.5

—

kHz

Modulation characteristics

∆ f 1avg

—

250.2

—

kHz

Min ∆ f 2max (for at least

99.9% of all ∆ f 2max)

—

234.4

—

kHz

∆ f 2avg/∆ f 1avg

—

1.0

—

In-band spurious emissions

± 2 MHz offset

—

–32

—

dBm

± 3 MHz offset

—

–38

—

dBm

> ± 3 MHz offset

—

–41

—

dBm

Table 33: Bluetooth LE - Transmitter Characteristics - 2 Mbps

Parameter

Description

Min

Typ

Max

Unit

Carrier frequency offset and drift

Max

|fn|

n=0, 1, 2, ..k

—

3.7

—

kHz

Max

|f0 − fn|

—

1.8

—

kHz

Max

|fn − fn−5|

—

1.5

—

kHz

|f1 − f0|

—

1.1

—

kHz

Modulation characteristics

∆ f 1avg

—

500.0

—

kHz

Min ∆ f 2max (for at least

99.9% of all ∆ f 2max)

—

460.7

—

kHz

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