The **M2REB-RC4-R/Q** is a specialized electronic component, typically classified as a **High-Frequency Connector** or a **Board-to-Board RF Connector**, often associated with Hirose (HRS) or similar manufacturers specializing in micro-miniature RF solutions. Below is a breakdown of its technical specifications and electronic characteristics. --- ## 1. Technical Specifications | Feature | Details | | :--- | :--- | | **Component Type** | RF Receptacle / Coaxial Connector | | **Mounting Type** | Surface Mount (SMT) | | **Frequency Range** | DC to 6 GHz (Typical for this series) | | **Impedance** | 50 Ohms | | **Pitch/Size** | Ultra-miniature low profile (often < 1.5mm mated height) | | **Contact Material** | Gold-plated phosphor bronze or copper alloy | --- ## 2. Key Electronic Characteristics ### High-Frequency Performance This part is designed to maintain signal integrity in high-speed wireless circuits. It minimizes **VSWR (Voltage Standing Wave Ratio)** and **Insertion Loss**, ensuring that the radio frequency signal passes from the PCB to the antenna or another board with minimal degradation. ### Shielding and Grounding The "REB" series structure usually features a robust grounding shell. This is critical for: * **EMI/EMC Compliance:** Reducing electromagnetic interference to surrounding components. * **Signal Isolation:** Preventing crosstalk between high-frequency paths. ### Physical Design (RC4 Designation) The "RC4" suffix often refers to specific mechanical revisions or packaging styles: * **Low Profile:** Designed for slim devices like smartphones and IoT modules. * **Durability:** Rated for a specific number of mating cycles (usually 20–50 cycles) while maintaining electrical conductivity. --- ## 3. Common Applications These parts are typically found in high-density electronic assemblies, including: 1. **Mobile Communications:** Smartphones and tablets for 4G/5G antenna connections. 2. **Wireless Modules:** Wi-Fi, Bluetooth, and GPS modules. 3. **IoT Devices:** Wearables where space is extremely limited. 4. **Testing:** Used as a test point for RF signal verification during the manufacturing process. --- ## 4. Part Number Breakdown (Generic Industry Format) | Prefix | Series | Configuration | Plating/Packaging | | :--- | :--- | :--- | :--- | | **M2** | Generation/Size | **RC** | Receptacle Connector | | **REB** | RF Board-to-Board | **4** | Variation/Pin count/Height | | **R/Q** | Tape & Reel Packaging | ---