需要过印尼posttel认证，详细需求如下 When specifying a 4G LTE GPS tracker for motorcycles, there are several important features and specifications to consider to ensure reliable performance, accuracy, and durability. Here’s a detailed specification outline: ### General Specifications 1. *Network Compatibility*: - Supports 4G LTE (Cat M1 or Cat NB1 for IoT devices) - Backward compatible with 3G and 2G networks 2. *GPS Specifications*: - GPS module with high sensitivity - Cold start: < 30 seconds - Warm start: < 15 seconds - Hot start: < 1 second - Accuracy: ±5 meters 3. *GSM/GPRS Specifications*: - Frequency bands: 700MHz to 2100MHz (LTE), 850/900/1800/1900MHz (GSM) - Data transmission: GPRS Class 10, SMS, TCP/UDP ### Hardware Specifications 1. *Processor*: - ARM Cortex-M series or equivalent 2. *Memory*: - Flash: 1MB or higher - RAM: 256KB or higher 3. *Power Supply*: - Input voltage: 9-36V DC (suitable for motorcycle battery) - Internal battery: Rechargeable lithium battery (400mAh or higher) 4. *Physical Characteristics*: - Dimensions: Compact design (e.g., 80mm x 50mm x 20mm) - Weight: Lightweight (e.g., 60 grams) 5. *Connectors and Indicators*: - SIM card slot: Standard or micro-SIM - External antenna connectors for GPS and GSM (optional) - LED indicators: Power, GPS status, GSM status ### Environmental Specifications 1. *Operating Temperature*: -20°C to +70°C 2. *Storage Temperature*: -40°C to +85°C 3. *Humidity*: 5% to 95% non-condensing 4. *Ingress Protection*: IP67 or higher (dust and waterproof) ### Functional Specifications 1. *Real-Time Tracking*: - Continuous location updates (configurable interval, e.g., every 10 seconds) 2. *Geofencing*: - Support for multiple geofences (entry and exit alerts) 3. *Alerts and Notifications*: - Overspeed alerts - Low battery alerts - Tamper alerts - Ignition on/off detection 4. *Data Storage*: - Internal memory to store location data in case of