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Home / Development Boards & Control Boards / 4G Module Adapter Board Development Board SIM Card Slot MINI PCIE to USB Quectel EC20 EC25

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Interface Type Mini PCIe to USB 2.0
Compatible Modules Quectel EC20, EC25, EC21
SIM Card Support Standard Mini SIM (2FF)
Input Voltage 5V DC via USB Port
Operating Temperature -20°C to 70°C
Dimensions 50 x 30 x 10 mm
Weight 15 grams
Antenna Connector IPEX / U.FL Interface
LED Indicators Power, Network, USB Status
PCB Material FR-4 Double Layer

5 reviews

A

Anonymous

Apr 10, 2026

Rating: 5/5

Reliable Connection

Using this for a remote monitoring station. EC25 module fits perfectly. Stable connection over weeks.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Good board, needs external antenna

Hardware is solid. Just remember you need to buy the LTE antennas separately. Signal is strong once connected.

A

Anonymous

Feb 26, 2026

Rating: 4/5

Great for Prototyping

Bought 5 units for our team. Consistent quality. One had a loose USB port but still functional.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Easy to Use

Plug and play on Windows 10 after installing Quectel drivers. SIM slot is easy to access.

A

Anonymous

Jan 26, 2026

Rating: 5/5

Perfect for Raspberry Pi Projects

Works flawlessly with my Pi 4. Recognized immediately on Linux. Great for IoT gateways.

5 FAQ

Q: Does it support GPS functionality?

A: Yes, if your Quectel module has GPS built-in, the board supports the pass-through.

Q: Is the power supply sufficient for EC20?

A: Yes, USB 5V provides enough power for standard operation.

Q: Does this work with Ubuntu 20.04?

A: Yes, it is compatible. You may need to install the appropriate USB serial drivers.

Q: Can I use a Nano SIM card?

A: No, this slot is designed for Standard Mini SIM cards.

Q: Are antennas included in the package?

A: No, this board only includes the adapter. Antennas must be purchased separately.

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