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header-product D-Link DOM-550-GSO 5G IIoT Gateway with Gigabit Ethernet, Wi-Fi 5, 4G and 5G Cellular Support, and RS-232/485 Serial Interface
1,235.99 €

D-Link DOM-550-GSO 5G IIoT Gateway with Gigabit Ethernet, Wi-Fi 5, 4G and 5G Cellular Support, and RS-232/485 Serial Interface

D-Link DOM-550-GSO 5G IIoT Gateway Photo 1
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D-Link DOM-550-GSO 5G IIoT Gateway Photo 1
D-Link DOM-550-GSO 5G IIoT Gateway Photo 2
D-Link DOM-550-GSO 5G IIoT Gateway Photo 3

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D-Link DOM-550-GSO 5G IIoT Gateway with Gigabit Ethernet, Wi-Fi 5, 4G and 5G Cellular Support, and RS-232/485 Serial Interface

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Short description

The D-Link DOM-550-GSO is a high-performance 5G IIoT gateway designed for industrial internet of things applications. It features fast Gigabit Ethernet LAN interfaces, dual-band Wi-Fi 5 connectivity, and robust 4G and 5G cellular network support including Sub6 NSA and SA standards. Equipped with an RS-232/485 serial interface and a MicroSD card slot, this black industrial gateway ensures reliable data transmission, remote device management, and seamless machine-to-machine communication in demanding environments.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 12648589
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Unisend LV

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1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
19.10.2026 {{selectedOffer.officeDeliveryString}}
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36 months installment: from 34.33 euros per month
Leasing for legal entities: from 43.01 euros per month
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Product information

Description

The D-Link DOM-550-GSO 5G IIoT Gateway with Gigabit Ethernet, Wi-Fi 5, 4G and 5G Cellular Support, and RS-232/485 Serial Interface is a high-performance industrial networking device engineered for demanding Internet of Things applications. Built into a durable zinc-plated steel case, this black cellular network gateway delivers reliable machine-to-machine communication, remote device management, and high-speed data transmission in harsh environments with operating temperatures ranging from -30 to 70°C. It features robust 4G and 5G cellular network support including Sub6 NSA and SA standards with dual SIM slots, dual-band Wi-Fi 5 connectivity, and fast Gigabit Ethernet LAN interfaces.

Advantages

This industrial gateway provides exceptional reliability through dual SIM slots with auto-failover redundancy, ensuring continuous cellular WAN connectivity even if the primary network fails. Its corrosion-resistant zinc-plated steel housing and wide voltage range input from DC 9 to 36V make it suitable for challenging deployment locations. The inclusion of an RS-232/485 serial port and Modbus TCP/RTU/ASCII protocol compatibility allows for seamless integration of legacy industrial equipment into modern IT and OT infrastructures.

Suitable for

  • Industrial automation and machine-to-machine communication
  • Remote telemetry and sensor data collection
  • Connecting legacy serial devices to modern IP networks
  • Cellular WAN failover backup for critical infrastructure
  • Smart factory IT and OT network convergence

When it may not be suitable

This device is specifically designed for industrial IIoT and M2M applications and is not intended for standard residential home networking or basic office internet sharing. It may also exceed requirements for simple environments that do not require wide temperature tolerance, DIN-rail mounting, or specialized serial interfaces.

Key specifications

  • Cellular network support: 4G LTE, 5G Sub6 NSA and SA with dual SIM slots
  • Ethernet LAN: 3 x Gigabit Ethernet ports supporting 10, 100, 1000 Mbit/s
  • Wi-Fi standards: 802.11a/b/g, Wi-Fi 4, Wi-Fi 5 AC1200
  • Serial interface: 1 x RS-232 or RS-485 port
  • Digital I/O: 2 x Digital Input, 2 x Digital Output
  • Expansion and storage: 1 x USB 2.0, 1 x MicroSD card slot
  • Enclosure: Corrosion-resistant zinc-plated steel, DIN-rail mountable
  • Operating temperature: -30 to 70°C
  • Power input: Wide voltage range DC 9-36V

How to use

Mount the gateway securely onto a DIN-rail within your industrial enclosure and connect the necessary external antennas to the SMA connectors. Insert one or two active nano-SIM cards into the dual SIM slots to establish cellular connectivity. Connect your wired network devices to the Gigabit Ethernet ports, or attach legacy sensors and controllers using the RS-232/485 serial interface and digital I/O terminals. Power the unit using a compatible DC 9-36V power source, then access the web-based management interface to configure network settings, Modbus protocols, and event-trigger notifications.

What to consider before purchase

  • Verify that your local mobile network operators provide compatible 4G LTE or 5G Sub6 coverage in the deployment area
  • Check whether your equipment requires RS-232, RS-485, or digital I/O connections
  • Confirm that the power supply voltage matches the wide DC 9-36V specification of the gateway
  • Ensure the operating environment stays within the -30 to 70°C temperature range

Usage recommendations

For optimal cellular performance, install external antennas in a position with clear signal reception and away from heavy metallic obstructions. Utilize the dual-SIM failover feature with carriers from different networks to maximize uptime in critical industrial applications.

All features
Wi-Fi standards: The type of wireless local area network (LAN). It can be ad-hoc, where units in a network communicate peer-to-peer, or Infrastructure, where units communicate with each other via an access point A LAN interconnects computers in a small area e.g. home, school or office.
802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), 802.11a
Security algorithms: Security algorithms are used to provide authentication, cipher key generation, integrity and radio link privacy to users on mobile networks. The security algorithms supported are the ones that can be used with this product.
SNMP, SNMPv2, SNMPv3
Operating relative humidity (H-H):
10 - 95
Compatible memory cards: Types of memory cards which can be used with this product.
MicroSD (TransFlash)
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-40 - 85
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
-30 - 70
Serial interface type:
RS-232/485
Serial ports quantity: The number of serial ports in a computer or peripheral. A serial port is a serial communication physical interface through which information transfers in or out one bit at a time. The term "serial port" usually identifies hardware more or less compliant to the RS-232 standard, intended to interface with a modem or with a similar communication device. In modern computers and peripherals, serial ports have largely been replaced by USBs and other interfaces.
1
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes
Height: The measurement of the product from head to foot or from base to top.
62 mm
Input voltage: The voltage (V) which is required to power the product.
9 - 36
Antenna type: Type of antenna, also known an aerial, e.g. external, internal.
External
LED indicators:
Y
Width: The measurement or extent of something from side to side.
125 mm
Depth: The distance from the front to the back of something.
160 mm
Product colour: The colour e.g. red, blue, green, black, white.
Black
USB 2.0 ports quantity: Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
1
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
3
Device type: Type or category of the device.
Cellular network gateway
Antenna connector type: The way in which the antenna is connected to the device e.g. coaxial.
SMA
Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
Yes
WLAN data transfer rates supported:
300, 866
Card reader integrated: A card reader is a device that enables reading and, in some cases, writing data to and from a memory card.
Yes
DHCP server: A server is a system which that responds to requests across a computer network to provide, or help to provide, a network service. DCHP servers uses the DCHP (Dynamic Host Configuration Protocol), which is a standardized networking protocol used by servers on an IP network to allocate IP addresses to computers. The purpose of DHCP is to automate the IP address configuration of a computer without a network administrator. IP addresses are typically selected from a range of assigned IP addresses stored in a database on the server and issued to a computer which requests a new IP address. An IP address is assigned to a computer for a set interval, after which, the computer must renew the IP address or acquire a new one.
Yes
IP routing:
Yes
Ethernet LAN data rates: The different speed levels of the Ethernet LAN connection.
10, 100, 1000
Reset button:
Yes
DMZ support:
Yes
Antennas quantity:
6
Port forwarding:
Yes
Network address translation (NAT):
Yes
Data network: Telecommunications network that allows computers to exchange data.
4G, 5G
Number of SIM cards:
2
Power source type: What the power source is.
DC
Firewall:
Yes
4G standard:
LTE
USB port: The device features a socket into which a USB cable can be plugged.
Yes
Ethernet LAN interface type: The characteristics of the Ethernet LAN interface.
Gigabit Ethernet
5G standard:
Sub6 NSA, Sub6 SA

Description

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Product comparison

The D-Link DOM-550-GSO 5G-IIoT VoIP Gateway is compared against several alternative networking and security devices from D-Link, including the D-Link BNR-004/E network video recorder, D-Link S15 and D-Link BE3600 wireless routers, D-Link BCB-P01 outdoor IP camera, and D-Link DMS-107 switch. All of these products belong to the networking and telecommunication category, yet they serve entirely different purposes: the parent product is designed for industrial Internet of Things (IIoT), VoIP communication, and secure data transmission in demanding industrial environments, whereas the alternatives are built for video surveillance, wireless networking, and wired infrastructure expansion in homes and offices.

⚙️ The specifications comparison covers the product type, core communication technologies, and intended application of each device, as their technical parameters serve completely different operational needs.

ParameterD-Link DOM-550-GSO 5G-IIoT VoIP GatewayD-Link BNR-004/E NVRD-Link S15 Wireless RouterD-Link BE3600 Smart RouterD-Link BCB-P01 IP CameraD-Link DMS-107 SwitchPractical Conclusion
Product Type5G-IIoT VoIP gateway4-channel network video recorderWi-Fi 6 wireless routerWi-Fi 7 smart routerOutdoor bullet IP security cameraUnmanaged multi-gigabit switchThe devices address completely different tasks ranging from industrial automation to local networking and surveillance.
Primary PurposeIndustrial IoT and VoIP communicationVideo recording and storage for surveillance systemsHome or office Wi-Fi networking4K/8K streaming, gaming, smart homeSecurity monitoring indoors and outdoorsWired Gigabit network expansionThe parent product targets harsh industrial setups, while the alternatives serve consumer and standard office environments.
Technologies & Connectivity5G, IIoT, and VoIP supportH.265 video compression, NVRGigabit Ethernet, Wi-Fi 6 (up to 1500 Mbit/s), WPA3Wi-Fi 7, reduced latency2 Megapixel, CMOS sensor, H.265, wired connection7 ports, multi-gigabit, 20 Gbit/s switching capacityEach device utilizes specialized technologies for its specific use case without direct functional overlap.

◎ The suitability and use-case comparison helps determine which user needs match the parent product and in which scenarios alternative devices are more appropriate.

Use CaseRecommended ProductWhy
Industrial IoT and secure VoIP communicationD-Link DOM-550-GSO 5G-IIoT VoIP GatewayEngineered specifically for harsh industrial environments, ensuring secure data transmission and voice communication.
Building a video surveillance systemD-Link BNR-004/E or D-Link BCB-P01Supports video recording, H.265 compression, and continuous monitoring of properties.
Setting up high-speed home or office Wi-FiD-Link S15 or D-Link BE3600Provides stable wireless coverage, Wi-Fi 6 or Wi-Fi 7 support, and fast internet connectivity.
Expanding a wired Ethernet networkD-Link DMS-107Offers multi-gigabit ports and switching capacity for wired device expansion.
The D-Link DOM-550-GSO 5G-IIoT VoIP Gateway differs fundamentally from the alternative options by being a specialized industrial and telecommunication device with 5G and VoIP capabilities. Choose it if you require a robust industrial solution for automation and secure communication. For video surveillance, home networking, or wired network expansion, alternative devices from the same manufacturer are more suitable.
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Customer questions

FAQ

How much does the D-Link DOM-550-GSO 5G IIoT Gateway cost, and is it available for purchase?

The price is 1,235.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 19.10.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can D-Link DOM-550-GSO 5G IIoT Gateway be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the D-Link DOM-550-GSO 5G IIoT Gateway online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All D-Link products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized D-Link service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for D-Link DOM-550-GSO 5G IIoT Gateway?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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