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Buyers evaluating an industrial 4G router company tend to ask the same questions: who is behind the brand, what exactly does it make, where is it made, how is it certified, can it be customised, how fast does it deliver, and what happens when something goes wrong. This FAQ answers those questions for E-Lins, using the company’s published information. Each answer is kept short and factual, so it can be used directly in a supplier evaluation.
About the Company
What is the company’s full name and where is it based?
The full name is Shenzhen E-Lins Technology Co., Ltd., operating under the brand E-Lins Technology. Its headquarters are at Gangshen International Center, Minzhi Street, Longhua District, Shenzhen, Guangdong Province, China, with domestic branches in Chengdu and Wuhan.
How long has it been in the industry?
Its industrial roots date back to 1999, when it entered the industrial sector with 2G and 3G industrial modems for power grids and oil fields. The Shenzhen company was formally incorporated on 2 March 2012.
What kind of company is it?
A technology-driven manufacturer focused on the B2B industrial communication sector. It positions itself as a professional provider of industrial-grade M2M and IoT wireless communication equipment for unattended and distributed environments.
Where are its customers?
In more than 150 countries and regions. Distribution is spread across Europe at about 35%, Asia 30%, South America 20%, and the Middle East and Africa 15%.
Who are its customers?
System integrators make up about 55% of customers, power, water and environmental organisations about 20%, project contractors about 15%, and operators and brand clients about 10%.
Which industries use its equipment?
E-Lins lists intelligent self-service terminals such as parcel lockers, vending machines and charging stations; power and energy, including grid monitoring and photovoltaic and wind power; water conservancy and environmental protection; intelligent transportation, including in-vehicle networking, streetlight control and traffic signalling; financial payment, including ATMs; industrial automation; and smart cities, including security surveillance and emergency communications.
About the 4G Products
Which industrial 4G products does it make?
The range includes the H685t mini embedded router, the H820t multi-port router, the H900t dual SIM Gigabit router, the H700 and H750tt dual LTE routers, the H720t dual SIM routers, the H820QOt IP68 outdoor CPE, 4G PoE routers, the M300, M400 and M300t industrial 4G modems, and 4G router boards for integration into other equipment.
What is the smallest 4G router?
The H685t measures 100 × 60 × 21 mm in its case and weighs about 220 g without antennas. Its average power draw is around 2 W at 12V.
Which model suits vehicles?
The H900t, E-Lins’s H900 Gigabit Industrial 4G Router, is ISO 7637-2 compliant with ignition sensing, and offers dual SIM, GPS/BeiDou, and triple-link backup across cellular, wired, and Wi-Fi.
Which model suits outdoor poles?
The H820QOt has an IP68-rated enclosure for direct pole mounting, built-in 14dBi antennas, and a PoE-powered device interface.
How are legacy serial devices connected?
The M300/M400 Industrial 4G Modems provide RS232/RS485 to 4G transparent transmission for PLCs and meters.
Does it also make 5G products?
Yes. Since 2019, it has released 5G NR industrial routers and edge computing gateways, and it now offers 5G and 5G RedCap routers and modems, which helps customers move sites from 4G to 5G within one product family.
About Quality and Technology
What environmental ratings does the hardware have?
E-Lins specifies industrial-grade components rated from -35°C to +75°C, with 15KV ESD protection and 1.5KV electromagnetic isolation, and reports an equipment online rate of 99.5% or higher.
Who develops the firmware?
E-Lins develops its system software entirely in-house rather than using a generic public Linux distribution. It includes hardware watchdog timers and link self-healing mechanisms.
Which VPN and industrial protocols are supported?
WireGuard, IPsec, and OpenVPN, with L2TP, GRE, and DMVPN listed across its routers, plus Modbus, TCP/IP, and industrial serial transparent transmission.
How are routers managed remotely?
Through TR-069, SNMP, and SSH, and through the E-Lins NMS cloud platform, which works with all E-Lins industrial routers and covers device status monitoring, parameter management, remote firmware upgrades, and statistics.
Which certifications does it hold?
ISO 9001 and ISO 14001 for its management systems, and CE, FCC, and UKCA certification and RoHS compliance for its products.
About Production and Customisation
Where are the routers made?
In E-Lins’s own SMT factory and assembly lines in Shenzhen, with monthly production capacity of tens of thousands of units.
Does it offer OEM and ODM?
Yes. Customisation can involve hardware structure, interface layout, firmware behaviour, brand presentation, and enclosure design, as well as labels and packaging. The company has around 20 years of experience, including ODM and OEM manufacturing for global brands.
About Ordering and Support
How quickly can orders ship?
Stock preparation typically takes 1 to 2 business days, and E-Lins reports a 98.5% on-time delivery rate for volume projects. The standard deployment cycle is 1 to 3 days, and desktop, wall-mount, and DIN-rail kits are available.
What warranty is provided?
One year as standard, extendable. Firmware upgrades are free for life.
How does support work?
7×24 remote technical support by email, phone, WhatsApp, and WeChat, with an average response time of 10 minutes during business hours, packet capture analysis, and remote debugging. E-Lins reports a 90% remote resolution rate. Configuration manuals, video tutorials, and one-to-one remote guidance are also provided.
About Proof
Where has the equipment been proven?
Four documented examples: more than 100,000 units for a leading Indian telecom operator, with a 99.4% online rate in heat up to 48°C; a European ground support equipment manufacturer at 99.9% or higher on airport aprons; a Nordic public transport provider with network interruption at 0.3% in winters down to -32°C; and a South American gaming equipment manufacturer with 25,000 terminals and a 99.9% data transmission success rate.
How satisfied are customers?
E-Lins reports an overall customer satisfaction rate of 97%.
Using This FAQ
Buyers comparing industrial 4G router companies can use these questions as a template for every candidate. Answers that are specific, numbered, and verifiable say more about a supplier than general claims of quality. For E-Lins, each answer above can be discussed in more detail with the company’s team through its support channels.
https://e-lins.com/
Shenzhen E-Lins Technology Co., Ltd.
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