Question 1

What is the ZYD5017-D20 4G industrial router?

Accepted Answer

The ZYD5017-D20 is an industrial-grade 4G LTE Cat4 router with dual network ports, dual SIM backup, DIN rail mounting, and wide voltage input. It provides stable 24/7 wireless networking for industrial IoT, M2M, and remote monitoring applications.

Question 2

Does the ZYD5017-D20 support dual SIM backup?

Accepted Answer

Yes. It has dual Nano SIM (4FF) slots with intelligent master slave switching. If the primary SIM disconnects or has poor signal, it automatically switches to the backup SIM to keep the network always online.

Question 3

Does the ZYD5017-D20 support RS232/RS485 and GPIO?

Accepted Answer

Yes. It supports RS232/RS485 serial transparent transmission and GPIO input/output, widely used for connecting PLCs, sensors, meters, and industrial controllers.

Question 4

How does the ZYD5017-D20 ensure 24/7 stable operation?

Accepted Answer

It ensures stability through dual watchdog (hardware + software), auto fault self recovery, auto redial after disconnection, industrial anti vibration & anti interference design, and cloud remote management with fault alerts.

Question 5

Does the ZYD5017-D20 support cloud management?

Accepted Answer

Yes. It supports remote configuration, status monitoring, alarm notification, and batch firmware upgrades via cloud platform for large scale distributed devices.

Question 6

What security features does the ZYD5017-D20 provide?

Accepted Answer

Security features include WPA/WPA2 PSK WiFi encryption, firewall & ACL access control, VPN encrypted tunnel, 15KV ESD protection on SIM and interfaces, and login password & system logs.

Question 7

What are typical applications of the ZYD5017-D20?

Accepted Answer

Typical applications include industrial automation, intelligent transportation, smart surveillance, PLC remote control, power grid, oil & gas, environmental monitoring, and unattended M2M devices.

Question 8

Why choose ZYDlink products?

Accepted Answer

We have provided services to numerous customers from over 100 countries. We offer a diverse product portfolio with over 100 models, strong R&D capabilities as a high-tech firm, professional technical services, and global brand positioning.

Question 9

How do you guarantee the quality of your products?

Accepted Answer

Before production, we fully communicate details. We control quality through IQC, IPQC, and OQC, performing 100% inspection during production and before packaging. Our team is very strict on quality control.

Question 10

How about the after-sales service?

Accepted Answer

We provide comprehensive after-sales service. Our professional team responds promptly to inquiries and technical problems. Whether you need product maintenance, troubleshooting, or replacement parts, we follow up until your problem is fully solved to ensure your satisfaction.

Question 11

Can you provide the service of OEM and ODM?

Accepted Answer

Yes, we are the factory, we can provide OEM and ODM services for our customers.

Question 12

Can I get a discount?

Accepted Answer

The price is negotiable, some discounts can be offered according to your order quantity, and bulk orders always get the lowest price.

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Operating Temperature Range

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Antenna Configuration

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Antennas

with Modem Function

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