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RAK473MB Wireless Module Wifi Module UART 3.3V External Antenna Socket 450m

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1.Support UART serial operation AT command set
2.Support various baud rates:the largest can be set as 921600bps
3.Support wireless configuration and OTA firmware upgrade
4.Support UART interface,OTW upgrade function
5.Support WPS,Easyconfig one key network access
6.Support MDNS,MOTT,HTTP,TLS applications
7.Support TLS1.2
8.Support 160KB NVM Flash storage

Standard Support:
1.IEEE802.11 b/g/n standard
2.802.11 Qos enhancement standard
3.Support WEP,WPA/WPA2-PSK encryption way
4.Open network,share secret key,match secret key authentication service
5.Lightweight TCP/IP protocol

Wireless Network DLL Features:
1.CMOS MAC,Baseband PHY,and RF in a single chip for 802.11b/g/n compatible

2.Complete 802.11n solution for 2.4GHz band
3.72.2Mbps receive PHY rate and 72.2Mbps transmit PHY rate using 20MHz bandwidth

4.150Mbps receive PHY rate and 150Mbps transmit PHY rate using 40MHz bandwidth
5.Backward compatible with 802.11b/g devices while operating in 802.11n mode
6.Compatible with 802.11n specification

7.Frame aggregation for increased MAC efficiency (A-MSDU,A-MPDU)
8.Low latency immediate High-Throughput Block Acknowledgement (HT-BA)
9.Long NAV for media reservation with CF-End for NAV release
10.PHY-level spoofing to enhance legacy compatibility
11.Electricity-saving mechanism

Wireless Network Physical Layer Features:
1.802.11n OFDM
2.One Transmit and one Receive path (1T1R)
3.20MHz and 40MHz bandwidth transmission
4.Short Guard Interval (400ns)
5.DSSS with DBPSK and DQPSK,CCK modulation with long and short preamble
6.OFDM with BPSK, QPSK,16QAM,and 640QAM modulation.Convolutional Coding
 Rate:1/2,2/3,3/4,and 5/6
7.Maximum data rate 54Mbps in 802.11g and 150Mbps in 802.11n
8.Fast receiver Automatic Gain Control (AGC)

External Interface:
1.Most support 2-channel PCM,8/16KHz sampling rate
2.Most support 2-channel SPI,baud rate can up to 41.5MHz
3.Support 4-channel PWM
4.In low power consumption mode,support 4-channel configurable external timer trigger
5.20-channel GPIO
6.Support baud rate can up to 4MHz high-speed UART interface

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First we should say that ICStation doesn't accept any form of pay on delivery.Items used to be shipped after receiving the order info and payment.

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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. 

For other payment method, please contact us at orders@icstation.com for more details.

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. 


1) APO and PO Box Addresses

We strongly recommend that you provide a physical address for order delivery. 
Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
2) Contact Phone Number
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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