Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 19 - Jun 24
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Description
DRF1278DL2 433MHz 3~4km Long Range RS485 Port SX1278 Data Transmission ModuleColor Blue + Golden + Multi Colored Model DRF1278DL2 Quantity 1 Piece Material PCB Frequency 433MHz Working Voltage 3. 4~5. 5 V Working Current 75 mA Effective Range 3~4km English Manual Spec No Other Features LoRa frequency spectrum 433Mhz ISM frequency band 136dBm receive sensitivity 20dBm Max. output power Serial port wake up Wireless wake up RS485 interface Packing List 1 x DRF1278DL2 module
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 531 reviews
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Product Reviews
★★★★★ 5
Great value and very comfortable
Size: 10.5, Color: British Tan/Ivory
Proven quality did not disappoint I have purchase at least 20 pairs of Cole Haan for a reason
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 5
Classy and comfortable dress shoes
Size: 8, Color: Black Leather/Black
These shoes never disappoint when it comes to comfort and dress shoes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Great fit and comfort!
Size: 10 Wide, Color: Black Leather/Black
Happy with these new Cole Haan dress shoes. Have been buy this brand for many yrs now as They are one of the most comfortable daily dress work shoe. I try to get the wide size when I can as I have more of a high instep and the wide shoe helps alleviate the tight fit along the top of the shoe.
Have had this shoe for a few weeks now and is breaking in nicely.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Comfortable and Stylish Shoes
Size: 8.5, Color: British Tan/Ivory
These shoes are very comfortable and stylish. The quality feels great, and they fit perfectly. I can wear them for a long time without discomfort. They look elegant with both casual and dress clothes. Definitely worth the price and I would recommend them to others. ⭐⭐⭐⭐⭐
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great Shoe
Size: 10.5 Wide, Color: Black Leather/Black
Great shoe! Especially for those that are on the move in a professional setting for a lot of the day. The only issue I’ve had with these so far are my shoe laces are warping. The shoe itself is holding up great.
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Reviewed in the United States on June 11, 2026
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