D-Link DIR-879 Extreme Wi‑Fi Dual Core

Identifiers
Model	D-Link DIR-879
MPN	D-Link DIR-879
Dimensions / Weight
Key Features
3G Indicates whether the product is capable of connecting to 3G mobile networks (UMTS). A value of "Yes" means the device includes a 3G radio and can use 3G data services; "No" indicates it does not support 3G connectivity.	No
4G Indicates whether the product is capable of connecting to a 4G cellular network for data or voice services.	No
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
AC input frequency The frequency of the alternating current supplied to the device, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the product.	50 - 60 Hz
AC input voltage The alternating current voltage range that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device.	100 - 240 V
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.	External
Antennas quantity The total count of antenna units present on a device or system. It indicates how many separate antennas are installed and can help assess potential signal coverage and performance.	4
Built-in processor Indicates whether the product contains a built‑in central processing unit (CPU) that can execute instructions without requiring an external processor module. A value of "Yes" means the device has such a CPU; "No" means it does not.	Yes
Cables included A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.	AC,LAN (RJ-45)
Cabling technology The type of cable or connector technology used by the product, such as Ethernet standards (e.g., 10/100Base‑T, 1000BASE‑T, 10GBase‑T) or other networking cable types. It indicates the physical medium and protocol supported for data transmission.	10/100/1000Base-T(X)
Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.	FCC, CE, IC, CCC, BSMI, NCC, CSA, WMM-PS, WPS, Wi-Fi
DC-in jack	Yes
Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.	73.5 mm
DSL WAN Indicates whether the product supports a Digital Subscriber Line (DSL) Wide Area Network connection. The value can be any descriptive text such as "Yes", "No", or a specific DSL technology name.	Yes
Ethernet LAN Indicates whether the product includes an Ethernet LAN interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.	Yes
Ethernet LAN interface type Indica el tipo o estándar de la conexión Ethernet que posee un producto, como Gigabit Ethernet, 10 GbE, 2.5 GbE, Fast Ethernet, etc. Los valores suelen ser textos descriptivos sin unidades numéricas y pueden incluir varias opciones separadas por comas cuando el dispositivo soporta más de una velocidad.	Gigabit Ethernet
Ethernet WAN Indicates whether the device has an Ethernet port on its WAN side, allowing connection to a wired network for internet access or other external networks.	Yes
Firewall Indicates whether the device includes an integrated firewall that filters and protects network traffic.	Yes
Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.	199.4 mm
LED indicators A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.	Power,WPS
Modulation The modulation technique used by a wireless device or component to encode digital information onto a carrier signal. Common schemes include QAM, OFDM, PSK, FSK and their variants. This attribute helps users understand the signal processing method and compatibility with other equipment.	256-QAM,QAM
Networking standards A list of the networking protocols and standards that a device can support or comply with, such as IEEE 802.11 variants for wireless, IEEE 802.3 for Ethernet, or other relevant networking specifications. The values are typically separated by commas and may include both technical identifiers and consumer‑friendly labels.	IEEE 802.11a,IEEE 802.11ac,IEEE 802.11b,IEEE 802.11g,IEEE 802.11n,IEEE 802.3ab,IEEE 802.3u
On/off switch Indicates whether the product includes an on/off switch that allows the user to power it on or off manually.	Yes
Output current The electrical current drawn by a device from its power source, expressed in amperes (A). It indicates how much current the product consumes during normal operation and helps determine compatibility with power supplies or USB ports.	2 A
Output voltage The electrical potential difference that a device delivers to its load, expressed in volts (V). It indicates the nominal voltage supplied by the product’s power output and is useful for matching it with compatible accessories or systems.	12 V
Power source type The type of electrical supply that powers the device, such as mains electricity, batteries, USB power, or a combination of these options.	AC
Processor frequency The fundamental operating frequency of a processor, expressed in hertz (Hz). It indicates the speed at which the CPU runs under normal conditions and is typically reported in gigahertz (GHz) or megahertz (MHz). This value helps users compare performance potential across different models.	1000 MHz
Product Type Indicates the general classification or type of an item, such as "laptop", "projector", "router" or "paint". It helps users quickly identify the nature of the product and compare similar items across categories.	Tabletop router
Quick start guide Indicates whether a quick‑start guide is provided with the product. A value of "Yes" means that a brief, introductory manual or overview is included to help users get started quickly; "No" indicates that no such guide is supplied.	Yes
Reset button Indicates whether the device has a physical reset button that restores factory settings or original configuration when pressed.	Yes
SIM Card Slot Indicates whether the device has a slot for inserting a SIM card to enable cellular connectivity.	No
Top Wi-Fi standard A list of the wireless networking protocols and frequency bands 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.	Wi-Fi 5 (802.11ac)
USB port Indicates the presence and quantity of USB connectors on a product. The value is typically an integer representing how many USB ports are available, regardless of type or version.	No
Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.	539.7 g
Wi-Fi band A textual description of the Wi‑Fi frequency bands supported by a device, such as "Dual-band (2.4 GHz / 5 GHz)" or "Tri‑band (2.4 GHz / 5 GHz / 5 GHz)". The value indicates which radio frequencies are available for wireless communication and helps users understand the device’s connectivity capabilities.	Dual-band (2.4 GHz / 5 GHz)
Wi-Fi standards A list of the wireless networking protocols and frequency bands that a device can connect to, such as 802.11a, 802.11b, 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,Wi-Fi 5 (802.11ac),802.11b,802.11g,Wi-Fi 4 (802.11n)
Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.	219.7 mm

D-Link is a Taiwanese networking equipment manufacturer that produces a wide range of products for the consumer, small business, and enterprise markets. Some of their most popular products include wireless routers, switches, and network attached storage devices. D-Link has a strong reputation for quality and reliability, and their products are often praised for their feature-richness and ease of use.