Tenda D820B, 100 Mbit/s, RoHS, CE, 0 - 40 °C, 10 - 90%, -40 - 70 °C, 100-240V

Mfr. Part #: D820B
Brand: Tenda
Condition: Refurbished
  • Warranty: 90-day return/replacement

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Tenda D820B modem

Tenda D820B modem
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United States
Sam Gov

Government, Federal & Education Procurement

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Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86
overview
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D820B Overview

The Tenda D820B ADSL 2+ Modem delivers continuously available broadband access at up to 24Mbps upstream speed and 1Mbps downstream speed. 6000V lightning proof design adapts to lightning intensive area and ensures a longer life. 100V-240V wide voltage design allows use with unstable voltage. Simple to use, it plugs directly into your ADSL line for instant connectivity to network resources and the Internet. Exquisite and sleek, compatible with mainstream DSLAMs, the device is a simple, cost-effective DSL modem which connects directly to a computer or wireless router for sharing.
- ADSL2+ compliant, up to 24Mbps downstream
- 6000V lightning proof
- Longer distance up to 6.5km

The unit supplies your network with impressive capabilities. Fully compliant with ADSL/ADSL2/ADSL2+ standards, compatible with mainstream DSLAMs, and delivering up to 24Mbps downstream and 1Mbps upstream speeds, the ADSL modem furnishes direct, always-on Internet connectivity at speeds up to 140 times faster than dial-up to a distance up to 6.5km.

With 100V-240V wide-range voltage rating and switching power supply design, the device can adapt to the voltage unstable regions and put an end to frequent Internet connection drops due to instable voltage.

Tenda integrates the enhanced 6000V lightning protection technology into the device circuit, effectively preventing damage caused by lightning and ensuring stable and uninterrupted operation in thunderstorm weather as well as a prolonged life.

The unit is compatible with mainstream DSLAMs, ensuring that it will work with your Internet Service Provider’s (ISP) CO.

Fast Ethernet, RJ-45, RJ-11, white/grey

  • Maximum data transfer rate: 100 Mbit/s
  • DC-in jack
  • Power requirements: 100-240V

Summary Description

Tenda D820B, 100 Mbit/s, RoHS, CE, 0 - 40 °C, 10 - 90%, -40 - 70 °C, 100-240V

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D820B Specifications

Overview
Manufacturer:
Tenda
Stock:
In Stock.
Stock updated on:
2024-09-02
Data transmission
Maximum data transfer rate
100 Mbit/s
Ports & interfaces
Modem (RJ-11) ports
1
DC-in jack
Yes
Ethernet LAN (RJ-45) ports
1
Features
Certification
RoHS, CE
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Operating relative humidity (H-H)
10 - 90%
Storage temperature (T-T)
-40 - 70 °C
Power
USB powered
No
Power requirements
100-240V
Indication
LED indicators
Activity, DSL, LAN, Link, Power
Weight & dimensions
Depth
90 mm
Height
30.9 mm
Width
139.8 mm
Packaging content
Cables included
LAN (RJ-45)

Frequently Asked Questions

What primary internet connectivity standards does the Tenda D820B support? +
The Tenda D820B is engineered to support standard ADSL/ADSL2/ADSL2+ protocols. It is designed to provide stable and reliable internet access for users utilizing traditional copper-line broadband infrastructure, ensuring compatibility with most legacy DSL service provider requirements for consistent connectivity in both home and small office environments.
How do I configure the Tenda D820B for my ISP settings? +
Configuration is managed through a user-friendly web-based interface. Simply connect your computer to the modem's Ethernet port, access the gateway IP in your browser, and input the VPI/VCI values and authentication credentials provided by your specific internet service provider. The intuitive dashboard makes manual setup efficient for standard DSL deployments.
Does the Tenda D820B include an integrated router or Wi-Fi capabilities? +
The D820B functions strictly as a standalone DSL modem. It is designed to be paired with a separate high-performance wireless router or firewall appliance. This modular approach allows users to maintain full control over their network architecture, routing policies, and wireless security protocols independently from the DSL signal modulation process.
What is the physical port configuration on the Tenda D820B? +
The device features a standard RJ-11 port for the DSL line connection and an RJ-45 Ethernet port for linking to your primary networking equipment. This straightforward, dedicated port layout ensures minimal signal interference and provides a stable, direct bridge between your service provider's line and your local network hardware.
Is the Tenda D820B suitable for high-bandwidth home office applications? +
While the D820B is capable of handling standard ADSL2+ speeds, its performance is ultimately tethered to the quality of your physical copper line and the service tier provided by your ISP. It is an excellent choice for consistent, low-latency connectivity, provided your network bandwidth demands stay within the physical limitations of DSL technology.
Can the Tenda D820B be used in a bridge mode configuration? +
Yes, this modem can be configured for bridge mode, allowing it to pass the public IP address directly to an external gateway or firewall. This is ideal for enterprise users or advanced home networkers who prefer to manage NAT, VPN termination, and security policies on a more robust, specialized routing platform.
How does the Tenda D820B perform during long-term operation? +
The hardware is designed for continuous duty cycles, focusing on stability and heat dissipation. By maintaining a simple, focused architecture, the D820B minimizes processing overhead, which helps maintain a steady sync with the DSLAM and reduces the likelihood of dropped connections during extended periods of usage.
What are the power requirements for operating the Tenda D820B? +
The modem is designed for low power consumption and typically operates via a standard localized power adapter. Its energy-efficient design ensures that it remains cool during operation, making it an ideal candidate for small utility closets or mounting in compact network enclosures where thermal management is a primary concern.
Can I obtain a bulk quote for multiple Tenda D820B units for my infrastructure project? +
If you are planning an upgrade or require a larger deployment of Tenda modems, BuyRouterSwitch.com specializes in providing competitive bulk pricing. Our team is ready to assist with high-volume procurement requests to ensure your project stays within budget while maintaining access to professional-grade hardware solutions. Contact our sales department directly for a tailored quote.
Why should I choose BuyRouterSwitch.com for my Tenda networking hardware? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking equipment. We streamline the procurement process by offering clear product availability and dedicated support for your purchasing needs. We ensure that your orders for Tenda hardware are processed efficiently, providing you with a reliable supply chain for all your specific networking requirements.

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