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RAK439BS Wifi Module 6Mbps 4-Wire SPI Wireless Module 3.3V for Arduino AVR STM32

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1.Support drive library,source occupancy room Flash<40KB,Ram<10KB

2.Power Supply Voltage:3.1-3.5V

3.Operating Temperature:-40~85 celsius

4.MSL:3 level



Hardware Interface:

1.4-wire SPI interface:interface speed rate most support 24Mbps

2.Module throughout can up to 6Mbps


Wifi Features:

1.Meet IEEE 802.11b/g/n standard,support single current 802.11n,support high throughout

2.Support basic station mode,soft AP

3.Support WPA/WPA2-PSK TKIP/AES,WAPI-PSK encryption approach

4.Support one-key network configuration,WPS,Easyconfig way

5.Support PMK fast access to network (time<1s)

6.Support 802.11 PS mode,low power consumption mode


TCP/IP Features:

1.Support TCP server and client,UDP server and client type

2.Most support 8 sockets,support block and non-block operation

3.DHCP server and client



1.Medical equipment

2.Industrial handset

3.Industrial automation

4.Wifi camera

5.Electronic toys


Connection Diagram:


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For the receiver info, please contact us at orders@icstation.com.
3) Bank Transfer / Wire Transfer / T/T

Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways. 

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We offer wordwide FREE shipping for all orders! 

1. Hongkong / Sinapore Airmail

(1) Shipping Fee: FREE
All items on our website which shipped by Hong Kong or Singapore airmail are for free. 

If the total price is more than USD40, items will be shipped via registered airmail with tracking number for free.

That's to say, customer do not need to pay extra USD3 for the registered shipping fee.

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. EMS/DHL/UPS Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact orders@ICStation.com

(2) Shipping Time
Shipping time is 3-5 working day (about 1 week) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver in 2-3 day (DHL) or 1 week (EMS,) or 2 weeks (Registered Email), please pay attention to the arriving time of the package. 


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Receivers' contact phone number is required by express shipping agency for the package delivery. Please provide us with your latest phone number.

3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from icstation.com
4) Track the order which with tracking number via below links:

Registered Airmail: www.17track.net/en

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RAK439BS Wifi Module 6Mbps 4-Wire SPI Wireless Module 3.3V for Arduino AVR STM32
$6.49 $4.67