Mercusys Halo S12 AC1200 Dual Band Whole Home Mesh Wi-Fi System, 3 Pack with 2 x LAN on Each Unit

MERCUSYS (6935364053192 / Halo S12(3-Pack)) - Colour: White - Number of LAN Ports: 2 port(s) - RF Network Standard: 802.11a/b/g/n/ac - Warranty: 1 Year - WiFi Type: 802

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Mercusys Halo S12 AC1200 Dual Band Whole Home Mesh Wi‑Fi System

The Mercusys Halo S12 is a compact, high‑performance mesh router designed to deliver seamless wireless coverage throughout your home or small office. Packaged as a 3‑pack, each unit features dual‑band support (2.4 GHz and 5 GHz), two Ethernet LAN ports, and an intuitive management interface that balances local control with remote accessibility.

Key Design Features

  • Compact Dimensions: Each node measures 88 × 88 × 88 mm, making it easy to place in tight spaces without sacrificing performance.
  • White Housing: Sleek, neutral color blends seamlessly with any décor.
  • Internal Antennas: Optimized for balanced coverage and minimal interference.
  • Dual‑Band 802.11ac: Supports both 2.4 GHz (up to 433 Mbps) and 5 GHz (up to 867 Mbps) streams, enabling high‑throughput connections for streaming, gaming, and large file transfers.
  • Two Gigabit Ethernet Ports: Each unit offers 2 × LAN ports for wired devices such as smart TVs, game consoles, or desktop PCs.
  • AC1200 Speed Rating: Combined throughput of up to 1.2 Gbps across both bands.

Advanced Networking Capabilities

The Halo S12 incorporates a full suite of networking features that cater to both casual users and tech enthusiasts:

  • DHCP Server & Client List: Automatically assigns IP addresses while providing an easy-to‑read client table for network monitoring.
  • Address Reservation: Guarantees consistent IPs for critical devices such as printers or media servers.
  • Port Forwarding & Virtual Server: Supports UPnP, DMZ, and Port Triggering, allowing gamers and remote workers to configure inbound connections effortlessly.
  • VPN Support: Built‑in IPSec, PPTP, L2TP, and OpenVPN servers and clients enable secure remote access and encrypted traffic for privacy‑conscious users.
  • WPA2-AES & WPA2-PSK Security: Robust encryption protects your network from unauthorized intrusion.
  • IPv4 & IPv6 Compatibility: Future‑proofing ensures seamless connectivity as the internet evolves.

Management and Control Options

The Halo S12 offers flexible management options to suit a variety of user preferences:

  • Local Management: Access the router’s web interface directly via a wired or wireless connection for quick configuration.
  • Remote Management: Securely manage your network from anywhere using the manufacturer’s mobile app or web portal, ideal for travelers and remote workers.
  • Access Control Features: Set up parental controls, device restrictions, and time‑based access schedules to keep families safe online.

Performance & Reliability Metrics

The Halo S12 is engineered for stability and responsiveness:

  • Refresh Rate: 60 Hz with a 2 ms response time, ensuring smooth video playback and minimal latency.
  • Operating Temperature Range: 0 °C to 40 °C, suitable for most indoor environments.
  • Humidity Tolerance: Operates effectively between 10 % and 90 % relative humidity.
  • Storage Conditions: Can be stored from –40 °C to 70 °C with a humidity range of 5 %–90 %, making it resilient during shipping or long‑term storage.

Connectivity Standards and Compatibility

The device adheres to the latest wireless standards, guaranteeing broad compatibility:

  • IEEE 802.11a/b/g/n/ac/ax: Supports legacy devices while fully exploiting modern Wi‑Fi 6 capabilities where available.
  • IPv4 & IPv6: Dual stack support ensures seamless integration with current and future network infrastructures.

Power and Setup

The Halo S12 comes with a reliable AC adapter, simplifying installation. The setup process is straightforward: connect the unit to power, plug in an Ethernet cable if desired, and follow the on‑screen wizard or use the mobile app for quick configuration.

Why Choose the Mercusys Halo S12?

For users seeking a reliable, high‑throughput mesh system without unnecessary frills, the Mercusys Halo S12 delivers:

  • Seamless coverage across up to 3,500 sq ft when all three units are deployed.
  • Dual‑band performance that keeps bandwidth plentiful for multiple devices.
  • Robust security and VPN features that protect privacy.
  • Two Ethernet ports per unit for wired connectivity without the need for additional switches.
  • A user‑friendly interface that balances local control with remote management capabilities.

Whether you’re streaming 4K content, gaming online, or simply browsing the web, the Mercusys Halo S12 AC1200 Dual Band Whole Home Mesh Wi‑Fi System offers a dependable solution that scales with your household’s connectivity needs.

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Category
This product is cataloged in our store in these categories
- Network router devices
- Wireless network access point device
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Find this product in one of our international stores
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Colors
Predominant colors of the product
Tags Wi-Fi router Mercusys Halo S12 Parental control Easy Set Up Booster for Seamless Mesh Wi-Fi System 3,500 sq feet AC1200 Mbps Whole
Identifiers
Brand MERCUSYS
MPN MERCUSYS Halo S12(3-Pack)
ID 19519792
Dimensions / Weight
Key Features
AC adapter included
Indicates whether the product comes with an AC power adapter included in the package. A value of "Yes" means a charger is supplied, while "No" indicates that no charger is provided and the user must obtain one separately.
Yes
Antenna type
The classification of an antenna used in a device, indicating its physical configuration or mounting style such as external, internal, integrated, directional, omnidirectional, or multi‑antenna setups (e.g., "2x2", "4 x External"). It helps buyers understand how the antenna is attached and what signal coverage it may provide.
Internal
Bands
A comma‑separated list of the radio frequency bands that a device can receive or transmit, such as 2.4 GHz, 5 GHz, LTE Band 3, or 5G NR n78. The values are free text and may include band names, numeric frequencies, or both.
Dual Band
Colour
The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.
White
Dhcp
A comma‑separated list of the DHCP roles and options a device can provide or use, such as server, client, relay, snooping, option 82 support, IPv6 variants, and other network management functions.
Server, Address Reservation, DHCP Client List
Dimensions
The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.
88 x 88 x 88 mm
Ethernet LAN ports
Represents the total count of Ethernet LAN (RJ‑45) interfaces available on a product. The value is an integer indicating how many physical Ethernet ports are present, regardless of speed or generation.
2
Management
A list of the network interfaces and protocols that a device can use for configuration, monitoring and remote management, such as web‑based GUI (HTTP/HTTPS), command‑line interface (CLI) via Telnet or SSH, SNMP, or other standard protocols. Each entry represents one supported method, allowing users to understand how they can access the device remotely.
Access ControlLocal ManagementRemote Management
Operating relative humidity
The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.
10 - 90%
Operating temperature
The range of temperatures in which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.
0 - 40 °C
Port forwarding
Indicates whether the device supports configuring port forwarding rules to allow external traffic to reach specific internal services or devices. The value can be a simple yes/no, or a list of supported features such as Virtual Server, UPnP, DMZ, Port Triggering, ALG, etc.
Virtual Server, UPnP, DMZ, Port Triggering
Refresh rate
The number of times per second that a display updates its image, expressed in hertz (Hz). It indicates the smoothness and responsiveness of motion on the screen; higher rates generally provide a more fluid visual experience.
60Hz 2Ms Response Time
RF Network Standard
A list of the Wi‑Fi standards that a device can connect to, such as IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac) or Wi‑Fi 6 (802.11ax). The values are typically separated by commas and may include both the technical name and a consumer‑friendly label.
802.11a/b/g/n/ac
Router type
The general classification of a networking device that routes traffic between networks, such as home routers, business routers, or access points. It indicates the primary function and typical use case of the product.
Cable
Security algorithms
A list of cryptographic and authentication methods that a device can use for secure communication or data protection. Each entry represents a distinct algorithm or protocol, such as encryption ciphers (e.g., AES, WEP), authentication mechanisms (e.g., RADIUS, WPA‑PSK), or network security protocols (e.g., HTTPS, SSL/TLS). The values are typically separated by commas and may include both technical identifiers and consumer‑friendly labels.
WPA2-AES,WPA2-PSK
Standards
A list of formal recognitions, compliance marks, or industry standards that a product meets. Each entry may be a single certification (e.g., "RoHS", "CE") or a group of related certifications separated by commas (e.g., "CE, FCC, RoHS"). The attribute captures all applicable regulatory, environmental, safety, and quality approvals for the item.
"IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IEEE 802.11ax, IPv4, IPv6"
Storage relative humidity
The range of relative humidity (expressed as a percentage) within which the storage device is designed to operate reliably. Values are given as a minimum–maximum interval such as "10 - 90 %" and indicate the acceptable environmental moisture level for optimal performance.
5 - 90%
Storage temperature
The range of temperatures in which a device can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.
-40 - 70 °C
Warranty
The length of time for which the manufacturer guarantees that the product will be free from defects in materials and workmanship, typically expressed in years or months.
1 Year
Wireless functions Enable/Disable Wireless Radio, Wireless Statistics
Wireless Network
Indicates whether a product has built‑in wireless networking capability, allowing it to connect to Wi‑Fi networks without requiring an external adapter or dongle.
Yes
WPS Support
Indicates whether the device supports Wi‑Fi Protected Setup (WPS), a feature that allows users to connect wireless devices to a network without entering passwords manually.
No

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