vlg Timing Antenna

　　I. Core Product Features (Focusing on "Precise Synchronization + Industrial-Grade Reliability")

　　The VLG timing antenna, with "satellite signal acquisition as its core and anti-interference design as its guarantee," integrates VLG RF technology and precision manufacturing processes. Its core features are divided into three dimensions:

　　High-Precision Timing Performance

　　Signal Reception: Supports BeiDou-3 + GPS L1/L5 dual-band (covering 1176.45MHz/1575.42MHz), compatible with GLONASS/Galileo assisted positioning, with timing accuracy ≤50ns (direct satellite illumination scenario) and ≤1μs (multipath interference scenario), meeting the 100ns-level synchronization requirements of 5G base stations;

　　Time Calibration: Built-in 1PPS (pulse per second) signal output interface, supporting NTPv4/PTPv2 protocols. When linked with a VLG time server, it can achieve a time deviation of ≤10ns for all network devices;

　　Phase Stability: Phase center offset ≤1mm, multipath suppression ratio ≥35dB, ensuring signal resolution consistency in complex environments.

　　Industrial-grade Hardware Design

　　Structure and Manufacturing Process: Employs an LDS laser-engraved antenna (integrated on an FR4 substrate, ≤2mm thick), paired with an IP67 waterproof housing (resistant to salt spray corrosion, compliant with IEC 60529), suitable for harsh environments such as outdoor base stations and substations;

　　Interference Resistance: Integrates VLG adaptive filtering technology, suppressing electromagnetic interference through a multi-band shield (aluminum-magnesium alloy material), achieving interference attenuation ≥40dB in the 200MHz-2.7GHz frequency band;

　　Environmental Adaptability: Operating temperature -40℃~85℃, wind resistance ≥12, suitable for direct deployment in extreme areas such as high-altitude and coastal regions.

　　Key Performance Parameters

　　Electrical Characteristics: Input impedance 50Ω, Voltage Standing Wave Ratio (VSWR) ≤1.5, Gain 3dBi (elevation angle 5°~90°), Noise Figure ≤1.5dB;

　　Interface and Power Consumption: Supports SMA/N type RF interface, operating current ≤15mA (5V DC power supply), standby power consumption ≤5μA;

　　Dimensions and Weight: Standard model 120mm×120mm×30mm (weight ≤200g), miniature model 60mm×60mm×20mm (adapted to terminal devices).

　　II. Technology Adaptation and Scenario Implementation (Connecting to the VLG Solution System)

　　1. 5G Base Station Synchronous Networking Scenario

　　Adaptation Solution: VLG Timing Antenna + 5G Millimeter Wave Module + Signal Amplifier + Edge Gateway

　　Core Value: Solves the time synchronization pain point of 5G inter-site collaboration (MIMO/carrier aggregation), providing UTC standard time traceability to the base station through satellite common-view technology, and optimizing the timing accuracy in weak signal areas from 1μs to 500ns with the help of the VLG signal amplifier;

　　Deployment Logic: The antenna is installed on the top of the base station tower (in an unobstructed location), connecting to the VLG 5G module via a 1PPS signal. Data is pre-processed by the edge gateway and then uploaded to the operator's synchronization management platform;

　　Compliance Adaptation: Complies with GB/T 42561-2023 Time Sensitive Network (TSN) configuration requirements, and supports the 3GPP TS 38.413 base station synchronization protocol.

　　2. Smart Grid Differential Protection Scenario

　　Adaptation Solution: VLG Timing Antenna + NB-IoT Module + Power-Specific Edge Computing Gateway

　　Core Value: Meets the dual requirements of distribution network distributed differential protection for "millisecond-level latency + microsecond-level timing." For example, in the Shanxi power project, the VLG timing antenna achieves an air interface timing accuracy of 1μs, ensuring protection action response ≤15ms.

　　Collaboration Mechanism: The antenna receives BeiDou signals to generate a timestamp, which is then bound and transmitted with the current/voltage data collected by the VLG NB-IoT module. Time synchronization across substations is achieved through a power-specific gateway.

　　Safety Design: The housing is made of insulating material (withstanding 10kV/1min), and signal transmission encryption complies with the DL/T 1870 power communication security standard.

　　3. Industrial IoT Time-Series Data Scenarios

　　Suitable Solution: VLG Miniature Timing Antenna + IoT Sensor + 4G Gateway + VLG IoT Cloud Platform

　　Core Value: Solves the timing consistency problem of distributed sensor data, such as the synchronization error between equipment vibration and temperature data and timestamps in smart factories ≤100ns;

　　Technology Integration: The miniature timing antenna (60mm×60mm) is embedded in the VLG IoT sensor and directly connected to the module via a UART interface. After the data is uploaded to the cloud platform via the gateway, a time-series analysis report is automatically generated;

　　Low Power Optimization: Employs intermittent signal acquisition technology, reducing standby power consumption to 5μA, achieving a sensor battery life of ≥3 years when combined with VLG low-power modules.

　　III. Synergistic Value with VLG Solutions

　　1. Deep Hardware Synergy, Eliminating Adaptation Barriers

　　Module Integration: Pre-integrated with VLG 4G/5G/NB-IoT modules, connected via a standardized FPC interface, signal transmission loss ≤2dB, no additional adaptation circuit development required;

　　Gateway Synergy: Automatically triggers time calibration process when connecting to a VLG edge gateway (synchronization every 10 minutes), and enables the antenna's built-in timekeeping module (error ≤1ms/hour) when the gateway is offline;

　　Amplifier Adaptation: In weak signal areas (such as basements, mines), it integrates with VLG signal amplifiers, using AGC gain adjustment technology to improve satellite signal acquisition rate to 99.8%.

　　2. End-to-End Compliance, Reducing Industry Entry Costs

　　Standard Certifications: SRRC (China) and CE-RED (EU) RF certifications passed; complies with GB/T 42586-2023 TSN Configuration Management Standard and IEEE 1588v2 Precision Time Protocol.

　　Industry Adaptability: Power supply models pass DL/T 1478-2015 insulation certification; base station models comply with YD/T 2792-2015 Mobile Communication Antenna Standard.

　　Data Security: Timestamp data supports SM4 encryption algorithm; complies with the time-series data storage requirements of the Data Security Law when interfacing with the VLG cloud platform.

　　3. Benchmark Case Validation: A Provincial Power 5G + Distribution Network Project

　　Requirements: Achieve time synchronization for differential protection systems in the distribution networks of 100 substations, requiring timing accuracy ≤1μs and network reliability ≥99.999%;

　　VLG Solution:

　　Hardware: 200 sets of VLG power-grade timing antennas (insulated) + 100 VLG 5G edge gateways + 50 signal amplifiers;

　　Software: Integrating with the existing power "Transmission and Transformation Status Monitoring Platform," adding a timing data calibration module;

　　Results: Distribution network protection action accuracy improved to 99.9%, fault location time reduced from 30 minutes to 5 minutes, and communication disconnection rate ≤0.01%. IV. Selection Recommendations (Matching Core Parameters Based on Scenarios)

　　5G Base Station Networking Scenarios: The recommended model is VLG-TA-5GPro. Core parameter requirements include timing accuracy ≤50ns, dual-band support, and IP67 protection rating. The compatible VLG product combination is a 5G millimeter-wave module + signal amplifier + synchronization management platform, meeting the high-precision time synchronization requirements for inter-base station collaboration.

　　Smart Grid Protection Scenarios: The recommended model is VLG-TA-Power10K. Core parameter requirements include insulation class 10kV, timing accuracy ≤1μs, and salt spray resistance. The compatible VLG product combination is an NB-IoT module + power edge gateway, ensuring the safe and reliable operation of distribution network differential protection.

　　Industrial IoT Scenarios: The recommended model is VLG-TA-Micro60. Core parameter requirements include size ≤60mm×60mm and operating power consumption ≤15mA. The compatible VLG product combination is an IoT sensor + 4G gateway + IoT cloud platform, solving the timing consistency problem of distributed sensor data.

　　For consumer electronics devices: The recommended model is VLG-TA-Consumer, with core parameter requirements of thickness ≤1.5mm and weight ≤50g. It is compatible with VLG product combinations of miniature WiFi module + LDS antenna + SDK development kit, meeting the integration requirements of miniaturization and low power consumption in consumer devices.