TP-Link RE550 AC1900 Wi-Fi Range Extender

The frequency of the alternating current supplied to a power supply or charger, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the device, ensuring proper functionality and safety.

The range of alternating current voltage that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device across different regions.

A list of additional functionalities or capabilities that a product offers beyond its basic specifications. Each entry describes a distinct feature such as connectivity options, performance modes, special settings, or unique technical enhancements that may be relevant to users when evaluating the product.

The total count of antenna units present on the device, regardless of type or orientation. This value indicates how many separate antennas are installed and can help assess potential signal coverage and performance.

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.

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.

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.

The highest theoretical speed at which a device can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps, etc. It represents the upper bound of throughput under optimal conditions and is useful for comparing performance across devices and interfaces.

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.

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.

The operating frequency of a device or component, expressed in hertz (Hz). It represents the number of cycles per second that the product’s internal circuits or wireless radios can run and is useful for comparing performance across similar products.

The Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.

The maximum network transfer rates supported by the device’s LAN ports, expressed as common speed abbreviations such as "10/100", "10/100/1000" or "10GbE". Each value represents a distinct speed that the port can negotiate during operation.

List of Linux operating systems that the product can run or support, including specific versions and architectures when relevant. Each value represents a distinct Linux distribution or kernel version supported by the hardware or software.

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.

The highest electrical power that a device can draw or consume during operation, expressed in watts (W). It represents the peak energy usage of the product and is useful for estimating maximum power requirements, comparing efficiency across similar devices, and ensuring compatibility with power supplies.

The method or system by which a product is physically attached or supported, such as wall, desk, ceiling, floor, rack, or free‑standing. It indicates the intended installation location and any required hardware or mounting accessories.

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.

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.

The form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.

The electrical power consumption or output of the product, expressed in watts (W). It indicates how much energy the device uses during operation or how much power it can deliver to connected equipment.

A comma‑separated list of protective features that a product offers, such as resistance to dust, water, shock, heat, or other environmental factors.

A list of the quality‑of‑service (QoS) levels that a product can provide or comply with, such as "Low Latency", "High Throughput" or other QoS categories. Each value represents a distinct QoS capability that the device supports.

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.

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.

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.

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.

A list of environmental, safety or quality certifications that a product has obtained from recognized authorities. Typical entries include RoHS, ENERGY STAR, CE, WEEE, TCO Certified, FCC, and other industry‑specific standards.

The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.

Indicates whether a product can withstand exposure to outdoor elements such as rain, wind, and temperature fluctuations without damage. The value is typically "Yes" or "No", but may also include descriptive terms like "Weatherproof" or "Weather‑resistant" that convey the same meaning.

The radio frequency band(s) that a wireless device supports, expressed as free text such as "Dual-band (2.4 GHz / 5 GHz)", "Single-band (2.4 GHz)", or "Tri‑band (2.4 GHz / 5 GHz / 5 GHz)". It indicates the spectrum(s) on which the device can transmit and receive Wi‑Fi signals.

The maximum theoretical speed at which a device can send or receive wireless data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps. It represents the upper bound of throughput under optimal conditions and is useful for comparing performance across Wi‑Fi devices.

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.

A list of the different wireless operation modes that a device can support, such as Ad‑Hoc, Infrastructure, Access Point, Range Extender, Client, Multi‑SSID, and other combined or custom modes. Each value represents a distinct mode in which the device can function within a wireless network.

The maximum distance over which a device can maintain a reliable wireless connection to another device or network. It is expressed in linear units such as meters or feet and indicates the effective coverage area for Wi‑Fi, Bluetooth, RF, or other radio technologies.