DSOM-090M-J MT7621 System on Module

Model: DSOM-090M-J Category:

The DSOM-090M-J is a cutting-edge System-on-Module (SoM) developed by Dusun, powered by the MT7621A processor from MTK with eMMC up to 8GB, RAM up to 512MB. This module is specifically designed for networking and security applications, offering exceptional performance and flexibility with its dual-core MIPS1004Kc running at a maximum clock speed of 880MHz.

  • Size 65mm x 69mm x 2.5mm, featuring sufficient GPIO interfaces
  • eMMC up to 8GB; RAM up to 512MB
  • Supports OpenWRT OS
  • Supports wireless LAN standards: IEEE 802.11 a/b/g/n/ac
  • Frequency range: 2.4GHz~2.4835GHz or 5.18GHz~5.825GHz
  • Wireless rate: 300Mbps for 2.4GHz~2.4835GHz frequency range and 866.7Mbps for 5.18GHz~5.825GHz frequency range
  • The operating temperature range of the core module is 0~55 degrees
  • The product is stable and reliable and will operate normally through repeated High/Low Temperature Testing and Restarts Testing.

Quick View of DSOM-090M-J

The DSOM-090M-J is well-suited for tasks such as internet service routers, wireless routers, home security gateways, NAS services, and switch control processors.

Its robust hardware and advanced features make it an excellent choice for developers and system integrators looking to build high-performance, reliable, and secure network solutions.

The main difference between the DSOM-090M-I and DSOM-090M-J lies in the storage capacity of the eMMC (embedded MultiMediaCard) used. The DSOM-090M-I is equipped with a 4GB eMMC, while the DSOM-090M-J features an 8GB eMMC. This difference in storage capacity allows developers using the DSOM-090M-J to have more space for storing data, applications, and firmware, enabling them to handle larger and more complex networking and security tasks. The 8GB eMMC provides increased flexibility and scalability for developers working on projects that require higher storage requirements.

Consider the performance requirements of the application. If the application involves heavy data processing or requires frequent read/write operations to the eMMC storage, the DSOM-090M-J with an 8GB eMMC might offer better performance due to its larger storage capacity. However, if the application has minimal storage requirements and does not heavily rely on eMMC storage, the performance difference between the two options may be negligible.

Main chip block diagram of DSOM-090M-J MediaTek MT7621 SOM

Main Chip Block Diagram
DSOM-090M Main Chip Block Diagram
Core Board Block Diagram
DSOM-090M Core Board Block Diagram

Product Dimensions of DSOM-090M-J MediaTek MT7621 SOM

Dimensions of DSOM-090M
Dimensions of DSOM-090M Behind

Parameters and Interfaces of DSOM-090M-J MediaTek MT7621 SOM

CPUMIPS 1004Kc(800MHz), I-Cache, D-Cache 32KB, 32KB, L2 Cache 256KB
MemoryeMMC 8GB
Wireless StandardIEEE 802.11 a/b/g/n/ac
Operating Frequency2.4 GHz ~ 2.4835 GHz or 5.18GHz ~ 5.825GHz
ModulationIEEE 802.11b: CCK, DQPSK, DBPSK
80211g/a: 64-QAM,16-QAM, QPSK, BPSK
802.11n: 64-QAM,16-QAM, QPSK, BPSK
802.11ac: 256-QAM,64-QAM,16-QAM, QPSK, BPSK
Wireless Transmit Rate802.11b: 1,2,5.5,11Mbps
802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps
802.11n: MCS0~7, HT20 reach up to 72.2Mbps, HT40 reaches up to 150Mbps,
HT40 reach up to 300Mbps (2T2R)
802.11ac: VHT20 reach up to 173.3Mbps, VHT40 reach up to 400Mbps
VHT80 reaches up to 866.7Mbps
Wireless EncryptionWEP/ TKIP/ WPA/ WPA2
Operation VoltageDC12V/1.5 ( Recommend)
TemperatureOperating Temperature: 0° C ~85 °C
Storage Temperature: -40 °C ~85 °C
Barometric Pressure76Kpa ~ 106Kpa
Size38mm × 38mm
PCB Dimension65mm x 69mm x 2.5mm

System on Module Application

intelligent network interface cards
iNICs (Intelligent Network Interface Cards)
nas devices
Network-Attached Storage Device
iot gateways
Home Security Gateway

Developer Resources of DSOM-090M-J

[Flash Tool] tftp_server.rar

Model List

Category A ( In Stock)
Product ModelRAMeMMC
DSOM-090M-J512 MB8 GB

Additional information

Product Type


Chip Platform


CPU Name






System support


Operating Temperature


One-stop Development for IoT Gateways, Industrial Motherboards & System on Modules. Turn IoT Device Development Process into Success.
How to Cooperate with Dusun IoT?

Want to develop your own
IoT Gateway from the bottom layer of the hardware. Click below to learn more about IoT Gateway development

Want to build your own
IoT Application using a full-fledged public cloud platform. Click below to learn more about IoT Application development

Directly using the Off-the-Shelf Gateway+ network devices.
Click below to find more products.

Talk to us today

Please share your product idea or need and Dusun will reply to you immediately

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    IoT Gateways for Recommendation
    Dusun IoT Updates


      This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

      Welcome to DusunIoT

      Hi there 👋 Is there anything we can help you with today? Please fill in the form below for the team to follow up if you become disconnected.

        DusunIoT Distributor Program

          This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

            This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.