Brief Introduction of KB3071

KB3071 is a new embedded UART-ETH-WIFI module (serial port - Ethernet - Wireless network) .This product is an embedded module based on the universal serial interface network standard; built-in TCP / IP protocol stack, enabling the user serial port, Ethernet, wireless network (Wifi) interface between the conversions.

Through the KB3071 module, the traditional serial devices do not need to change any configuration; data can be transmitted through the Internet network. Provide a quick solution for the user’s serial devices to transfer data via Ethernet.

KB3071 Wifi module


KB3071'S  Technical Specifications

Table2-1Technical Specifications 

Network standard

wireless:IEEE 802.11n、IEEE 802.11g、IEEE 802.11b

wired:IEEE 802.3、IEEE 802.3u

Wireless transmission rate

11n: maximum up to 150Mbps
11g: maximum up to 54Mbps
11b: maximum up to 11Mbps

Tracks number


Frequency range


Emission power



2 Ethernet,2 serial,1 USB(host/slave),GPIO


Antenna type

Onboard antenna / External Antenna


Functional Parameters

WIFI work mode


WDS Function

Support WDS wireless bridge connection

Wireless security

Wireless MAC address filtering

Wireless security function switch

64/128/152 bit WEP encryption

WPA-PSK/WPA2-PSK、WPA/WPA2 security mechanism

Network management

Remote Web management

Configuration file import and export

WEB software upgrade

Serial to Ethernet

Maximum transmission rate


TCP connection

Max connection number>20

UDP connection

Max connection number>20

Serial baud rate


Other Parameters

Status indicator

Status indicator

Environmental standard

Operating temperature:-20-70℃

Operating humidity:10%-90%RH(non-condensing)

Storage temperature:-40-80℃

Storage humidity:5%-90%RH(non-condensing)

Additional properties

Frequency bandwidth optional:20MHz、40MHz,Automatic