Selection Table of WiFi Module

Characteristic

C21 Series

TI C32 Series

High-performance Series

USR-C210a

USR-C215b

USR-C216a

USR-C322a

USR-WIFI232-A2/

USR-WIFI232-B2

Photo

USR-C210-130 USR-C215 USR-C216 USR-C322 USR-WIFI232-B2

Package

SMT

Pin

SMT

SMT

Pin

TTL

1

2

1

STA limits in AP mode

(Qty of TCP Client to access when it works as TCP server)

3

1

24

Size (mm)

26.6×18.2×2.8

22×13.5×6

22×13.5×2.7

26.65×18.22×2.8

40×25×8

Working Mode

AP/STA/AP+STA

AP/STA

AP/STA/AP+STA

Editable Web Page

 /

Identity Packet

User Configuration

AT+command / Web page setting

Heartbeat Socket

 /

RTS/CTS Flow Control

 /

Ultra-low Power-Deep Sleep

 /

 /

 /

Web socket

 /

 /

 /