Table 3.

Comparison of WiFi modules.

WiFi Module	ESP-01 (ESP8266 SoC)	RTL8710 WiFi Module (RTL8710 SoC)	Air602 (W600 SoC)
CPU	Tensilica LX106 80/160 MHz	ARM Cortex M3 166 MHz	ARM Cortex M3
WiFi 802.11n	Up to 65 Mbps	Up to 150 Mbps	Up to 150 Mbps
Built-in antenna	Yes	Yes	No
Interfaces	UART SPI GPIO I2C	UART SPI GPIO I2C	UART SPI GPIO
Interface AT+ Instruction Set	Yes	Yes	Yes
Operating Voltage	3.3 V	3–3.6 V	3.3 V
Current consumption	80 mA	80 mA	110 mA
SoC chip dimensions	5 × 5 mm	6 × 6 mm	12 × 10 mm
Module dimensions	14.3 × 24.8 mm	24 × 16 mm	12 × 10 mm
Price	<1 €	3.18 €	1.75 €