## Overview of the Quectel SC200D-21-R/E The **SC200D-21-R/E** is a high-performance Smart Module developed by Quectel. It is based on the **Qualcomm QCM2290** platform and is designed for industrial and consumer IoT applications that require high data rates and multimedia capabilities. --- ### Key Electronic Components & Architecture The module integrates several critical electronic sub-systems onto a single PCB. Below is a breakdown of its primary electronic parts: | Component Category | Details | | :--- | :--- | | **Processor (SoC)** | Qualcomm QCM2290, 64-bit Quad-core ARM Cortex-A53 up to 2.0GHz. | | **GPU** | Adreno™ 702 (supports OpenGL ES 3.2, Vulkan 1.1, OpenCL 2.0). | | **Memory (Internal)** | Typically 2GB LPDDR4X RAM + 16GB eMMC Flash. | | **Operating System** | Android 11 (Supports future upgrades). | | **Power Management** | Integrated PMIC for optimized power consumption in sleep/active modes. | --- ### Connectivity & Interface Specifications The "R/E" variants typically signify regional frequency tuning (e.g., Europe/Global). The electronic interfaces allow it to interact with sensors, displays, and peripherals. #### 1. Wireless Radio (RF) * **LTE Support:** Cat 4 (150 Mbps DL / 50 Mbps UL). * **Wi-Fi:** 802.11a/b/g/n/ac (2.4GHz and 5GHz). * **Bluetooth:** BT 5.0. * **GNSS:** Integrated GPS, GLONASS, BeiDou, Galileo, and QZSS. #### 2. Multimedia Interfaces * **Display:** 4-lane MIPI_DSI (up to HD+ 720 × 1600 @ 60fps). * **Camera:** 2-lane MIPI_CSI × 2; supports dual cameras (up to 13MP). * **Audio:** Supports speaker, earpiece, and three microphone inputs. #### 3. Communication Ports * **USB:** USB 2.0 High Speed (supports OTG). * **UART:** 3 × UART interfaces. * **I2C/SPI:** Multiple pins for sensor integration. * **GPIO:** Versatile general-purpose input/output pins for custom hardware control. --- ### Electrical Characteristics | Parameter | Specification | | :--- | :--- | | **Supply Voltage** | 3.5V ~ 4.2V (Typical: 3.8V) | | **Operating Temperature** | -35°C to +75°C | | **Package Type** | LCC + LGA | | **Dimensions** | 40.5mm × 40.5mm × 2.8mm | --- ### Typical Applications Due to its integrated electronic components, the SC200D-21-R/E is widely used in: * **Smart POS Terminals:** Utilizing the secure Android OS and display drivers. * **Industrial PDAs:** Ruggedized handhelds requiring GPS and LTE. * **Smart Home Gateways:** Using Wi-Fi and Bluetooth to bridge IoT devices. * **Dashcams:** Leveraging the dual-camera MIPI interfaces.