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hc-21 embed wifi to serial port uart wireless module for raspberry pi

hc-21 embed wifi to serial port uart wireless module for raspberry pi

Model: wireless-module-12746

$18.90  $15.12

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6 reviews

Current Reviews: 6

We ship to over 200 countries worldwide.

Tailoring Period: 7-12 working days.

Shipping Time: 2-5 working days.

       
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Item specifics

1: working voltage 3.3 V + / - 0.3 V.
2: an average of 420 mw power consumption.
3: work humidity 5% ~ 5% (no condensation).
4: working temperature and 55 ? ~ + 125 ?.
5: overall size 20 mm *37 mm.
6: interface type standard 3.3 VTTL level, UART interface.

Package Included:1 x HC-21 Embed WIFI to Serial Port UART Wireless Module for Raspberry pi        

Product Description
Packaging Details Unit

Type: piece
Package
Weight: 0.100kg (0.22lb.)
Package Size: 10cm x 10cm x 8cm (3.94in x 3.94in x 3.15in)

If you would like to pay by PayPal, you can pay to our PayPal account: computerdcjack@gmail.com and email us. Please email us the name of the product, the quantity and other product attributes. The email address is computerdcjack@gmail.com. No matter how many goods you buy in one order, the freight you need to pay is only 15 dollars

1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 
8. Delivery Time:

CARRIER NAME DELIVERY TIME TRACKING SERVICE
DHL 5-7 DAYS WWW.DHL.COM
UPS 5-7 DAYS WWW.UPS.COM
FEDEX 5-7 DAYS WWW.FEDEX.COM
TNT 5-7 DAYS WWW.TNT.COM
EMS 7-10 DAYS WWW.EMS.COM
China Post Air Parcel 10-30 DAYS intmail.183.com.cn/

100% Money Back Guarantee on each item. Please contact us within 24 hours upon your receipt of the items. A full refund including shipping will be rendered in the event that the item is not as described. The refund will be rendered once the item has been sent back in original condition.

Customer Reviews:

Displaying 1 to 6 (of 6 reviews)

 
by of Emma
Date Added: 06/03/2017
The service is just fantastic.The service was just fantastic.

Rating: 5 of 5 Stars [5 of 5 Stars]

by JONATHAN HOLMES
Date Added: 06/03/2017
TOP CLASS POSTAGE AND RETURNS ARRANGEMENTSHAD TO RETURN AS I CHOOSE WRONG SIZEFANTASTIC AND QUICK RETURNS I WOULD RECOMMEND

Rating: 5 of 5 Stars [5 of 5 Stars]

by of Charlotte Weinold
Date Added: 06/03/2017
ExcellentWas happy to be recommended your homepage - very easy to navigate - very fast delivery to Denmark. only 3 working days. Super !!

Rating: 5 of 5 Stars [5 of 5 Stars]

by Rosemary Coles
Date Added: 06/03/2017
Extremely efficient and helpfulYour service is second to none!When I rang to arrange exchange of garment your customer service lady was very efficient. Bt the time I had logged onto my account it was already done. My only gripe was the fact that the packaging was too big for the item. The new item was in my mitts byMany thanks.

Rating: 5 of 5 Stars [5 of 5 Stars]

by Helen
Date Added: 06/03/2017
BRILLIANT SERVICE! Excellent, speedy service with a no-fuss returns service. I would certainly use this company again and am passing your details on to friends.

Rating: 5 of 5 Stars [5 of 5 Stars]

by Customer
Date Added: 06/03/2017
Good service.Purchased some cool trainers online, got them in australia quick smart. well happy.

Rating: 5 of 5 Stars [5 of 5 Stars]

Displaying 1 to 6 (of 6 reviews)

 


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