Understanding Nano SIM Connector Pinouts: A Technical Overview
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- MOARCONN
- Issue Time
- Aug 19,2025
Summary
MoarConn is a leading manufacturer specializing in card connectors, including Nano SIM connectors.

Introduction
In modern electronics, the Nano SIM card connector is essential for cellular connectivity. Understanding its pinout configuration ensures seamless device integration. This guide provides a clear overview of Nano SIM connector pin assignments and functions.
What Is a Nano SIM Connector?
A Nano SIM connector is a compact interface enabling electronic devices to communicate with a SIM card. It is widely used in mobile phones, IoT devices, wearables, and automotive electronics. Typical connectors have six to seven pins, each serving a specific communication or power function.
Standard Nano SIM Connector Pinout
Standard Nano SIM Connector Pinout
Pin
C1
C2
C3
C4
C5
C6
C7
Function
VCC
RST
CLK
I/O
GND
VPP
Optional
Description
Supplies power to the SIM card
Resets the SIM card
Clock signal for communication
Data input/output
Ground connection
Programming voltage, sometimes optional
Additional functions like card detect
This configuration ensures device compatibility and reliable performance.
Applications
Mobile Phones: Enabling cellular network access
IoT Devices: Smart device connectivity
Wearables: Compact mobile network integration
Automotive Electronics: Supporting in-car connectivity
Technical Insights and Best Practices
Ensure correct pin mapping for reliable communication
Maintain proper grounding and shielding to reduce interference
Consider connector dimensions and mounting options for device integration
About MoarConn
MoarConn is a leading manufacturer specializing in card connectors, including Nano SIM connectors. With over 20 years of experience, we provide high-quality connectors for mobile, IoT, and automotive applications, ensuring precision and durability.
MoarConn Nano SIM Connector Series
Push-Push Type: Spring-loaded mechanism for secure card insertion
Push-Pull Type: Easy extraction with pull-tab
Hinge Type: Flip-open design for convenient access
Additional Resources
By understanding Nano SIM connector pinouts and leveraging MoarConn’s expertise, engineers can achieve reliable and efficient device designs.