Walmart US Ecommerce Website

GENERAL MERCHANDISE

PHARMACY

GROCERIES

VUDU

SPARK

PHOTO

ADVERTISING

SAVINGS CATCHER

GIFTCARDS

INHOME

AFFILIATE

ONEAPP

LOTUS

HELP

SMART_REORDER

GROCERY

CONV_COMMERCE

Buy Box Ad Container Module for Desktop

Custom HTML Module - About Klarna

Custom HTML Module - About SalesFinancing - Second update

You'll choose a plan at checkout.

#515357

I want delivery savings with Delivery Pass

#0071dc

NEW Fulfillment Tue Apr 15 2025 2:17 PM EDT

MTZ Team | Marquee 1 Ad | Item Page

MTZ Team | Marquee 2  Ad | Item Page

MTZ Team | Skyline Ad | Item Page

Other products of interest

MTZ Team | Sponsored Product Carousel - Item Page

More items to explore

MTZ Team | Sponsored Product Carousel - Item Page Broad 

NEW AddonServicesRedesign Fri Jul 18 2025 1:30 PM EDT

NEW AddToCart Mon Jul 14 2025 3:50 PM EDT

NEW AddToCart Tue Apr 15 2025 2:19 PM EDT

NEW BrandBoxDisplayAd Mon Jul 14 2025 9:14 PM EDT

NEW BrandLink Wed Apr 23 2025 12:07 AM EDT

NEW Breadcrumb Mon Apr 07 2025 8:23 PM EDT

Walmart Rewards Mastercard

NEW FinancingOptions Tue Dec 10 2024 3:32 PM EST

I want shipping & delivery savings with

NEW Fulfillment Mon Jul 14 2025 4:00 PM EDT

NEW InternationalShipping Mon May 18 2026 1:02 PM EDT

New Item Page - Nutrition Value Placeholder Module, Wednesday, February 08, 2023, 5:11:53:90 pm

New Item Page - Product Description Placeholder Module, Wednesday, February 08, 2023, 5:14:04:38 pm

New Item Page - Product Ingredients Placeholder Module, Friday, February 10, 2023, 10:34:23:79 am

New Item Page - Product Specifications Placeholder Module, Wednesday, February 08, 2023, 5:15:29:61 pm

New Item Page - Reviews Placeholder Module, Wednesday, March 22, 2023, 10:04:29:34 am

New Item Related Shelves Module, Thursday, June 15, 2023, 6:08:51:10 am

 Price Match Policy

Prices, terms, and availability may vary online, in stores, and in–app. If the advertised price is not shown here, inventory at the advertised price may now be sold out. Please see the other offers, if available, while quantities last. Some items may be available from Marketplace Sellers, who set their own prices, and are not eligible for price match. Items sold in store by Walmart may be eligible for a price match to online items shipped and sold by Walmart. For variable weight items, price shown is an estimated price only – you will be charged for the actual weight of the item. See our

NEW LegalPriceDisclaimer Mon Jul 14 2025 4:11 PM EDT

NEW LegalPriceDisclaimer Wed Apr 30 2025 12:13 AM EDT

NEW ListsAndRegistries Tue Apr 15 2025 4:50 PM EDT

NEW PaymentPlans Mon Jul 14 2025 4:15 PM EDT

NEW PaymentPlans Tue Apr 15 2025 1:31 PM EDT

NEW PriceInformation Tue Apr 15 2025 1:30 PM EDT

NEW ProductDescriptionPlaceholderATF Tue Jul 08 2025 11:41 PM EDT

NEW ProductFlags Thu Apr 10 2025 11:42 PM EDT

NEW ProductHighlightsPlaceholder Wed Jul 02 2025 12:43 AM EDT

NEW ProductImages Tue Apr 15 2025 2:13 PM EDT

NEW ProductName Tue Apr 15 2025 12:53 PM EDT

NEW ProductReturnPolicyDetails Tue Dec 10 2024 3:17 PM EST

NEW ProductReturnPolicy Mon Jul 14 2025 5:04 PM EDT

Return Policy

NEW ProductReturnPolicy Tue Apr 15 2025 2:28 PM EDT

NEW ProductStickyBuyBox Wed Jul 02 2025 12:55 AM EDT

NEW PromoDiscount Tue Apr 15 2025 6:53 PM EDT

New SellersSecondaryBuyBox Module, Tuesday, September 05, 2023, 4:02:21:76 pm

NEW ShopWithConfidence Thu Jan 15 2026 2:20 PM EST

NEW SocialProofMessage Tue Apr 15 2025 7:17 PM EDT

NEW SoldAndShippedBy Mon Jul 14 2025 5:04 PM EDT

NEW SoldAndShippedBy Tue Apr 15 2025 2:23 PM EDT

New!

More savings, less stress.

HSK_Subscribetosave_E_v2

NEW SubscriptionOptionsModule Tue Apr 15 2025 6:44 PM EDT

NEW SubscriptionPriceMessage Wed Apr 23 2025 6:48 PM EDT

NEW Variants Wed Apr 23 2025 11:01 PM EDT

[Sticky] BuyBoxAd Mon Aug 11 2025 3:59 AM EDT

[Sticky] PriceInformation Mon Jul 14 2025 4:03 PM EDT

Syndigo

True

dWeb: L1/L2- Comparison Chart- WK 07, 2026

#000000

Item Carousel - Rich Relevance 1

RR carousel

Item Carousel - Rich Relevance 2

RR carousel 2

Item Carousel - Rich Relevance 3

RS485 To WIFI/Ethernet Serial Server, IP Serial Server /320MHz  For ECos For TCP / UDP / MQTT / HTTP / WebSocket Protocol

<ul><li> MCU with 4MB flash memory and 8MB , which is able to run on for eCos</li><li>The product can support for TCP / UDP / MQTT / HTTP / WebSocket protocol</li><li>Support RS485 to Ethernet/Wi-Fi conversion, the serial speed up to 230400 bps</li><li>Support STA / AP / AP + STA mode and support router or bridge working mode</li><li>Support TLS/AES/DES3 and other security protocols, Web OTA wireless upgrade and 10/100M Ethernet auto-negotiation</li></ul>

Brand

Number of Wireless Frequency Bands

Wireless Technology

Interface Type

Number of Ports

Frequency

Model Name

Specification: Item Type: RS485 to WIFI/Ethernet Serial Server Model: PW21-H Input Voltage: 100-240VAC Power: 10W Processor/Frequency: /320MHz Flash/SDRAM: 4MB/8MB Operating System: For ECos Ethernet Port: Port Number: 1 RJ45, 1 WAN / LAN switchable Interface Standard: 10/100 Base-T auto-negotiation Protection: 8KV isolation Transformer Integration: Protocol: IP, TCP, UDP, DHCP, DNS, HTTP server/client, ARP, BOOTP, AutoIP, ICMP, Web socket, Telnet, uPNP, NTP Security Protocol: TLS v1.2 AES 128 bit DES3 Wi-Fi Interface: Standard: 802.11 b / g / n Frequency: 2.412GHz-2.484GHz Mode: STA / AP / STA + AP Security: WEP / WPAPSK / WPA2PSK Encryption: WEP64 / WEP128 / TKIP / AES Transmitting Power: 802.11b: +20dBm maximum 802.11g: +18dBm maximum 802.11n: +15dBm maximum RX Sensitive 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm Note: The input voltage is within the range of 9-50VDC Product Size: Approx. 64.95mm / 2.6in 97.6mm / 3.8in 34mm / 1.3in 27.5mm / 1.1in 60.95mm / 2.4in 43.89mm / 1.7in 17.6mm / 0.7in Package List: 1 x Server1 x Antenna1 x English User Manual Note: Input voltage is in the range of 9&#8209;50VDC

Assembled Product Weight

Assembled Product Dimensions (L x W x H)

Universal Product Code (UPC check)

Walmart Protection Plan

Protect it today, enjoy it for years - plan covers: • Mechanical and electrical failures • Breakdowns or failures from normal use • 24/7 virtual tech support and Fast online claims backed by our 3-Business-Day Service Guarantee • Includes 100% parts, labour and shipping - no deductibles

Notice for Quebec Customers Protect it today, enjoy it for years. Get low-cost, great value protection that goes beyond the manufacturer’s warranty, keeping your product covered when you need it most. Protection covers: • Mechanical and electrical failures. • Defects in workmanship and materials from normal use. • Fast, easy online claims backed by our 3-Business-Day Service Guarantee. • 100% coverage for parts, labour and shipping - no deductibles or additional cost (pay $0 for approved claims). How the Plan works: 1. Add a Plan to your order. 2. Plan details will be emailed to you after completing your purchase. 3. Start a claim online anytime or by phone. We’ve got you covered up to the amount you paid, whether it’s a replacement, a refund or repairs. You can cancel within 90 days of purchase for a hassle-free refund, according to your plan terms. Limitations and exclusions apply. For more details, view the terms and conditions.

Get peace of mind for pennies a day!

Protect your purchase

fulfillment

title_shipToHome_date_free_delivery

<!DOCTYPE html>
<html>
 <head>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <link
 rel="stylesheet"
 href="https://unpkg.com/tachyons@4.12.0/css/tachyons.min.css"
 />
 </head>
 <body>
 <div class="flex flex-column justify-center w-100 ph3 normal lh-copy pt1">
 <div class="tc">
 <img src="https://i5.walmartimages.com/dfw/8822aef6-7abe/k2-_f4ee767f-a90a-4f70-be39-71e5d7b238a0.v1.jpg">
 <h3>4 equal payments</h3>
 <h4 class="gray">Buy what you love and split the cost. It's that easy. </h4>
 </div>
 <ul>
 
 <li>Add item(s) to your cart.</li>
 <li>
 Add items to checkout and choose 
 <image height="14" width="auto" src="https://i5.walmartimages.com/dfw/8822aef6-7abe/k2-_f4ee767f-a90a-4f70-be39-71e5d7b238a0.v1.jpg"></image>
 </li>
 <li>Enter your debit or credit card information. </li>
 <li>Your first payment is taken when the order is processed, and the remaining 3 are automatically taken every two weeks.</li>
 
 </ul>
 Please note that a higher initial payment may be required for some purchases. Pay later in 4 <a href="https://cdn.klarna.com/1.0/shared/content/legal/terms/0/en_ca/paylaterin4" target="_blank">terms</a> available here. For Quebec residents, these Pay Later 4 <a href="https://cdn.klarna.com/1.0/shared/content/legal/terms/0/en_ca/paylaterin4_quebec" target="_blank">terms</a> are applicable. 
 </div>
 </body>
</html>