Basical Information Model Name MN20 Prodcut Type 5G Portable MiFi Dimension Body: 135*70*17mm Package: 167*105*38mm Weight Body: about 179g Package: 296g Color White-grey, Black, customization is available OEM Yes […]
Basical Information Model Name MN40 Prodcut Type 5G Portable MiFi Dimension Body: 115*108*22mm Package: 295*140*125mm Weight Body: about 368g Package: 1kg Color White, customization is available OEM Yes Air […]
Basical Information Model Name MQ100 Prodcut Type 5G MiFi Dimension Body: 140mm*70mm * 20mm Weight Body: about 280g Color White & Black, customization is available OEM Yes Air Interface Technical Standard Compatible with WCDMA, FDD-LTE, TDD-LTE, 5G, […]
Industrial gateway solutions that connect field devices, networks, and cloud platforms for IoT data collection, protocol integration, and remote operations.
In-House R&D Expertise for
Reliable Industrial IoT Connectivity
E-Lins has an in-house R&D team of 50+ engineers covering hardware design, embedded software, cellular/RF engineering, and product validation. All R&D is done at our Shenzhen headquarters — we develop reliable industrial 4G LTE and 5G connectivity solutions for IoT and M2M applications without outsourcing core engineering.
E-Lins maintains an in-house engineering team covering hardware design, embedded software, cellular communication, testing and product customization. This single-roof model gives us full control from schematic design to shipping firmware — no outsourced engineering to third parties. The team operates from our Shenzhen headquarters and has delivered 120+ patents and certifications since 1999.
50+
R&D Engineers
120+
Patents & Certifications
3
Engineering Teams
100%
In-House R&D
🔧
Hardware Engineering
Industrial Router Design
PCB Design
Power Management
Interface Integration
💻
Embedded Software
Firmware Development
Network Protocols
Device Management
Security Features
📡
Cellular & RF Engineering
4G LTE
5G NR
Antenna Design
Carrier Compatibility
✅
Product Validation
Functional Testing
Environmental Testing
Reliability Validation
Field Testing
Hardware Engineering
Hardware Design for Industrial Applications
E-Lins designs industrial-grade hardware from the ground up, engineered for harsh environments, long lifecycle, and flexible industrial interfaces. Every board is designed for -40°C to +70°C operation, IP68 outdoor deployment, and 10+ year service life.
E-Lins develops the full firmware stack in-house, from Linux kernel customization to industrial protocol support and remote device management. Firmware is engineered for network reliability, industrial interoperability, and long-term maintainability.
Network Features
Dual SIM management
Failover & load balancing
VPN (IPsec, OpenVPN, WireGuard)
Firewall & access control
Routing functions (static, dynamic)
Industrial Protocol Support
MQTT
Modbus RTU / TCP
TCP/IP stack
Serial communication (RS232 / RS485)
5G RedCap support
Device Management
Remote configuration
Firmware upgrade (OTA)
Real-time monitoring
Diagnostics & logs
SDK & API access
Cellular & RF Engineering
Cellular Connectivity Expertise
E-Lins engineers cellular modules and RF systems for 4G LTE, 5G NR and 5G RedCap, with carrier compatibility validated in our RF lab. Antenna design and RF optimization are done in-house, tuned for real deployment environments — not just lab conditions.
Cellular Technology
4G LTE
5G NR (SA & NSA)
LTE Cat 1 / Cat 4 / Cat 6 / Cat 12 / Cat 20
5G RedCap (NR-Light)
Regional band variants
Carrier Compatibility
Global band support
Carrier certification testing
APN configuration
Network optimization
Multi-operator switching
Antenna & RF Optimization
Antenna selection
Signal performance tuning
Deployment environment consideration
MIMO & diversity design
OTA performance testing
In-house RF / OTA test setup — antenna performance and carrier band validation
E-Lins provides a cloud-based Network Management System (NMS) that lets operators monitor, configure, and update their entire fleet of industrial routers from a single dashboard. NMS is available as SaaS or on-premise deployment, with optional SDK and API access for integration into existing IoT platforms.
📊Remote monitoring
⚙️Configuration management
⬆️Firmware upgrade (OTA)
🟢Device status monitoring
☁️Cloud integration
🔔Alert management
🔐Remote VPN
🚀Zero-touch deployment
Product Validation & Testing
Engineering Validation Before Mass Production
E-Lins performs three-stage R&D validation before any product enters mass production. R&D validation verifies the design, while Manufacturing Quality Control ensures batch-to-batch consistency — these are two separate processes with distinct standards.
Design Verification
Hardware testing
Software testing
Compatibility testing
Interface conformance
Environmental Validation
Temperature testing (-40 to +70°C)
Voltage testing (9-36V DC)
Humidity & IP rating verification
Long-term operation (burn-in)
Field Testing
Network performance
Application scenarios
Carrier interoperability
Deployment environment
In-House Test Facilities
Environmental Chamber
EMC Pre-Compliance Lab
RF / OTA Test Setup
Burn-in Racks
Environmental chamber — temperature cycling from -40°C to +70°C for industrial-grade validation
Custom Engineering Support
From Requirements to Customized Solutions
E-Lins provides full custom engineering support from MOQ 50 units, covering hardware modification, firmware customization, interface changes, and enclosure design. All custom projects are protected by full NDA from the first inquiry, and customer IP remains customer-owned.
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Hardware Modification
Interface changes, connector customization, antenna configuration, board-level modifications for specific deployment requirements.
💻
Firmware Customization
White-label UI, custom APN presets, feature lockdown, custom protocol support, OTA update server integration.
📐
Interface Customization
Additional RS232 / RS485 ports, DI/DO expansion, PoE configuration, USB or GNSS integration.
📦
Enclosure Customization
DIN rail mounting, IP67 / IP68 sealing, compact form factor, branding & product labeling.
Ready to start a custom project?
MOQ 50 units · Full NDA protection · Typical development cycle 14-20 weeks from concept to mass production.
E-Lins follows a structured six-stage engineering workflow for all custom development projects. Typical total cycle is 14-20 weeks from requirement analysis to mass production, with defined deliverables and customer touchpoints at each stage.
1
Requirement Analysis
1-2 Weeks
Specification document
2
System Design
3-4 Weeks
Schematic + PCB layout
3
Prototype Development
2-3 Weeks
Working sample units
4
Engineering Validation
2-3 Weeks
Test report
5
Pilot Production
2-3 Weeks
10-50 pilot units
6
Mass Manufacturing
4-6 Weeks
Full production batch
E-Lins Shenzhen SMT production line — 8 high-speed lines, 500K+ units/year capacity, 99.7% first-pass yield
Long-Term Product Support
Supporting Products Throughout Their Lifecycle
E-Lins commits to long-term product support, with firmware updates for 10+ years from product launch and 12 months advance EOL notice. Technical support is provided across the full product lifecycle in 13 languages.
⬆️
Firmware Updates
Continuous firmware releases with security patches, feature additions, and carrier compatibility updates.
10+ years from launch
🛟
Technical Support
Pre-sales and post-sales engineering support in 13 languages across 5 continents, via email, ticket, and remote session.
Lifetime support
🔧
Product Maintenance
Spare parts availability, RMA process, and repair services through our regional hubs and distributor network.
12 months EOL notice
📚
Documentation
Datasheets, user manuals, CLI references, API documentation, and certification packages — available online and updated continuously.
Always up to date
Frequently Asked Questions
Common Questions About E-Lins R&D
The most common questions from engineers, procurement managers and OEM partners evaluating E-Lins' engineering capability.
Everything you need to know about our engineering
These are the questions we hear most often from engineers and OEM partners evaluating E-Lins as a development partner.
Have a technical question?
Our R&D engineers reply to technical inquiries within 4 business hours.
Does E-Lins have in-house R&D, or do you outsource engineering?
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E-Lins maintains an in-house R&D team of 50+ engineers at our Shenzhen headquarters. All hardware design, embedded firmware, cellular/RF engineering, product validation, and custom engineering are done internally. We do not outsource core engineering to third parties.
How many engineers work on hardware and firmware at E-Lins?
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E-Lins employs 50+ engineers across three teams: hardware engineering (PCB, power, interface, mechanical), embedded software & firmware (network protocols, device management, security), and cellular/RF engineering (4G/5G, antenna, carrier compatibility). The team has accumulated 120+ patents and certifications since 1999.
Can E-Lins develop custom hardware from scratch?
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Yes. E-Lins offers full custom hardware development from concept to mass production, covering schematic design, PCB layout, enclosure design, firmware development, and certification. Typical development cycle is 8-12 weeks for prototype, followed by 4-6 weeks for pilot production.
What is the typical timeline from concept to mass production?
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The typical E-Lins custom development workflow runs 14-20 weeks: Requirement Analysis (1-2 weeks), Design (3-4 weeks), Prototype (2-3 weeks), Validation (2-3 weeks), Pilot Production (2-3 weeks), and Mass Manufacturing (4-6 weeks).
Custom Engineering
Can E-Lins modify existing products for my use case?
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Yes. E-Lins supports hardware modification (interface changes, enclosure redesign), firmware customization (protocol changes, feature lockdown, custom UI), and certification support for customized SKUs. Custom projects start at MOQ 50 units with full NDA protection.
How does E-Lins validate products before mass production?
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E-Lins performs three-stage validation: Design Verification (hardware, software, compatibility testing), Environmental Validation (temperature, voltage, long-term operation), and Field Testing (real network performance, application scenarios). R&D validation is separate from manufacturing quality control.
Technology & Support
Which cellular standards does E-Lins support?
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E-Lins supports 4G LTE Cat 1, Cat 4, Cat 6, Cat 12, and Cat 20, plus 5G NR (SA and NSA) and 5G RedCap (NR-Light). We also support regional variants for North America, Europe, Asia Pacific, and global multi-band configurations.
Does E-Lins provide long-term firmware updates?
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Yes. E-Lins commits to firmware updates for 10+ years from product launch, with 12 months advance EOL notice. Technical support is provided across the product lifecycle through our 13-language support team.
Start Your Custom Industrial IoT Project with E-Lins R&D
Whether you need hardware design, firmware customization, or full OEM/ODM development, E-Lins' in-house engineering team is ready to talk. MOQ 50 units · Full NDA protection · Reply within 4 business hours.
