Name: MesaSe High-Speed RS485 to WiFi Ethernet Serial Server eCos System Compatible with Antenna 9-50VDC PW21-M - Industrial IoT Wireless Communication Hub Easy Integration Durable & Relia
Brand: Mesase
SKU: 59BYHLQETNTI
Price: 80.55 CAD
Availability: InStock

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

Try it free

Glass WEB: Walmart + "Non Member" PIP Banner Wk 19 2025

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

Key item features

NEW ItemSnapshotHighlightsModule Fri Aug 28 2026 6:53 PM EDT

Specifications

NEW ItemSnapshotSpecificationModule Fri Sep 18 2026 1:18 PM EDT

 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 ProductFlags Thu Apr 10 2025 11:42 PM 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

Shop Confidently

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

MesaSe High-Speed RS485 to WiFi Ethernet Serial Server  eCos System Compatible  with Antenna  9-50VDC PW21-M - Industrial IoT Wireless Communication Hub  Easy Integration  Durable & Relia

Brand

Enhance your network connectivity and smart device integration with our RS485 to WiFi Serial Server, the PW21-M. This cutting-edge device bridges your serial communications over WiFi, providing a seamless and efficient way to connect, monitor, and control your devices wirelessly. **Key Features:** - **Versatile Power Options:** Operates with a wide input voltage range of 9-50VDC, ensuring compatibility with various power supplies while maintaining a low power consumption of 10W. - **High-Performance Processing:** Equipped with a MIPS MCU supporting up to 320MHz, alongside 4MB flash memory and 8MB SDRAM, this server handles high-frequency operations effortlessly. - **Robust Network Protocols:** Supports a comprehensive array of network protocols, including TCP, UDP, MQTT, HTTP, and more, facilitating easy integration into existing networks. - **Flexible Ethernet and WiFi Connectivity:** Features an RJ45 port supporting 10/100 Base-T auto-negotiation and switchable WAN/LAN configurations, alongside WiFi standards 802. b/g/n, catering to a variety of network environments. - **Advanced Security:** Implements TLS v1.2 with AES 128 bit DES3 encryption, ensuring your data remains secure during transmission. - **Dual Mode Operation:** Can function as a WiFi Access Point (AP) or as a Station (STA), with support for STA+AP mode, offering versatile network configurations. - **Comprehensive Protection:** Boasts 8KV isolation protection, safeguarding your equipment from electrical surges and spikes. - **Easy Setup and Management:** Features a user-friendly web interface for configuration and management, making it accessible for users of technical levels. **Specifications:** - **Input Voltage:** 9-50VDC - **Power Consumption:** 10W - **Processor/Frequency:** MIPS MCU up to 320MHz - **Memory:** 4MB Flash, 8MB SDRAM - **Network Protocols:** IP, TCP, UDP, DHCP, DNS, HTTP server/client, ARP, BOOTP, AutoIP, ICMP, Web socket, Telnet, uPnP, NTP - **Security Protocols:** TLS v1.2, AES 128 bit, DES3 - **WiFi Interface:** 802. b/g/n, 2.412GHz-2.484GHz - **Network Mode:** STA / AP / STA+AP - **Security:** WEP / WPA-PSK / WPA2-PSK - **Ethernet Port:** 1 x RJ45, 10/100 Base-T auto-negotiation - **Serial Port:** Up to 230,400 bps **Package Includes:** - 1 x RS485 to WiFi Serial Server (PW21-M) - 1 x Antenna - 1 x English User Manual Engineered for reliability and performance, the PW21-M is the ideal choice for professionals looking to enhance their network connectivity and device integration. Whether for industrial control systems, home automation, or IoT projects, this serial server brings your devices online with ease and security.- **Versatile Connectivity:** Offers both Ethernet and WiFi capabilities, supporting 802. b/g/n standards, alongside an RJ45 port for 10/100 Base-T auto-negotiation, enabling seamless integration into any network setup. - **Advanced Security Measures:** Implements TLS v1.2 with AES 128 bit and DES3 encryption to ensure secure data transmission, addressing concerns over network vulnerabilities and unauthorized access. - **High-Performance Hardware:** Powered by a MIPS MCU with up to 320MHz, 4MB flash memory, and 8MB SDRAM, it is designed to handle high-frequency operations and complex processes without lag. - **Flexible Power Supply:** Compatible with a wide range of input voltages from 9-50VDC, making it adaptable to various power setups while maintaining efficient energy consumption. - **User-Friendly Interface:** Features an intuitive web interface for easy setup and management, making it accessible for both technical and non-technical users to configure and monitor their devices.

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

<a href="https://protection.asurion.com/protection-plan-canada/en-ca/quebecdisclaimer"target="_blank" rel="noopener noreferrer">Notice for Quebec Customers</a> 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, <a target="_blank" href="https://i5.walmartimages.ca/dfw/8822aef6-8d82/k2-_f077224e-6d0d-4d83-8a0a-aea858050a15.v1.pdf?icid=cp_page_other_view_terms_conditions_118507_Z9EQC09KX3 rel="noopener noreferrer">view the terms and conditions. </a>

(Only one option can be selected at a time)

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>