Espressif ESP32 User Manual

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4. RF Performance Test
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Figure 4-2. ESP8266 Log Output
3.2 Wi-Fi Rx performance test
1. Choose "wifi Test" in the test configuration section.
2. Choose "Rx packet" for "Test Mode" and set the "WiFi Rate", "BandWidth",
"Channel" and "Attenuation". Click on "start" to begin the test and "stop" to end the
test.
In the log output shown in Figure 4-3:
• "Correct" indicates the number of received packets.
• "Desired" indicates the number of packets received with the corresponding
data rate.
• "RSSI" indicates the average power of the Desired packets received.
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Figure 4-3. ESP32 Wi-Fi Rx Test Log Output
Espressif
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2018.03

Espressif ESP32 Specifications

General

Clock Speed	Up to 240 MHz
SRAM	520 KB
Wi-Fi	802.11 b/g/n
Bluetooth	Bluetooth v4.2 BR/EDR and BLE
GPIO Pins	34
Operating Voltage	2.2V to 3.6V
Operating Temperature	-40°C to +125°C
Processor	Tensilica Xtensa LX6
Flash Memory	4MB (varies by module)
ADC	12-bit SAR ADC up to 18 channels
DAC	2 channels of 8-bit DACs
I2C	2 x I2C
I2S	2 x I2S
Interfaces	CAN 2.0
SPI	4 SPI interfaces
UART	3 x UART