Ultra-low Power Serial TTL Wifi Module Tiny Size

Communication Expert of Industrial IOT
Ultra-low Power Serial TTL Wifi Module Tiny Size
Ultra-low Power Serial TTL Wifi Module Tiny Size
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Price: $4.50
Availability: In Stock
Model: USR-C215b
Manufacturer: USR IOT
Average Rating: Not Rated

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Unique Features

1.Tiny Size: 22 x 13.5 x 6mm

2.Support Httpd Client function

3.Built-in Webpage

4.Support DHCP and DNS

Wifi Module Download

User Manual: USR-C215

Evaluation Kit: USR-C215-EVK

Client Support Center: submit your ticket at h.usriot.com If you have technical problems about the product.

Wifi Module Introduction

This is a UART to wifi module,used for data transparent transmission.The hardware of USR-C215 wifi module integrates MAC,baseband chip and RF transceiver unit.USR-C215 supports WiFi protocol and TCP/IP protocol.Users can realize uart device networking via simple configuration.

Wifi Module Features

  • Support Wi-Fi@2.4 GHz 802.11b/g/n wireless standards
  • Support WPA/WPA2 security mode.
  • Support work as AP,STA,AP+STA mode
  • The fully integrated serial to wifi TCP/UDP transmission function,can choose multiple serial speed
  • LAN search and wireless parameter setting function
  • Support TCP/UDP Client registration packet mechanism
  • Support Simplelink/usrlink rapid networking configuration
  • Httpd Client function
  • Support class RFC2217 automatic baud rate adaptive function
  • Support simple AT+ command set configuration
  • 3.3V power supply
  • Ultra-low power
  • external antenna 
  • Small size: 22 x 13.5 x 6mm

Wifi Module Parameters

Wireless Parameters
Wireless Standard
802.11 b/g/n
Transmit Power
802.11b: +18 +/-1dBm (@11Mbps)
802.11g: +17 +/-1dBm (@54Mbps)
802.11n: +15 +/-1dBm (@HT20, MCS7)
Receive Sensitivity
802.11b: -85 dBm (@11Mbps, CCK)
802.11g: -70 dBm (@54Mbps, OFDM)
802.11n: -68 dBm (@HT20, MCS7)
External Antenna
Hardware Parameters
Data Interface
Operating Voltage
DC 3.0~3.6V
Operating Current
AP: 74mA (average), 285mA (peak)
STA: 32mA (average), 196mA (peak)
Operating Temp.
-20~ 85°C
Storage Temp.
-55~ 125°C
22 x 13.5 x 6mm
External Interface
Software Parameters
Wireless Network Type
Security Mechanism
Encryption Type
Network Protocol
User Configuration
AT+command,webpage setting

Wifi Module Function

Wifi Module Image

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