Hi-Link HLK-SW04 Manuale d'uso - Pagina 4

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2. Hardware description

2.1 network characteristic

The relay controller is based on HLK-M50 module. HLK-M50 is a cost-effective embedded

serial port-WiFi transmission module developed by HI-LINK Electronics. The module has

built-in TCP/IP protocol stack, which can realize the conversion between user serial port and

wireless network (WIFI) interface, and can transmit data between serial port and network

TCP/UDP connection.

The following table is the parameter specification table for the WiFi module：

Network standard

Wireless transmission

rate

Channel Number

Frequency range

Transmitting power

Connect Port

Antenna type

WIFI work pattern

Wireless security

Configuration mode

Network Connection

Type

Maximum number of

connections under the

TCP Server

Serial port baud rate

Status indicator

Network Parameter

Wireless standard：IEEE 802.11n、IEEE 802.11g、IEEE 802.11b

11n:Up to 150Mbps

11g:Up to 54Mbps

11b:Up to 11Mbps

1～11

2.4～2.4835G

15～20 dBm

1 USB、1 usb port （host）、GPIO

Antenna

Plate-borne antenna/External antenna

Functional parameter

STA/AP

64/128/152 位WEP encryption

WEP、WPA、WPA2（CCMP、TKIP）security mechanism

（Only support WPA2-CCMP in AP mode）

Serial AT command

Serial Port to Network

TCP Server/TCP Client/ UDP Server/ UDP Client

1200~3000000bps

Other parameters

A state indicates the output.

Working temp：-20～70℃

Working humidity：10%～90%RH（non condensing ）