SIM68AT [Simcom]

Key Features

1. Multi-GNSS Support

The SIM68AT supports multiple global navigation systems:

• GPS
• GLONASS
• BeiDou
• Galileo
• QZSS

Benefits include:

• More satellites available at any time
• Improved positioning accuracy
• Better performance in urban or obstructed environments
• Faster and more stable fixes

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2. High Sensitivity GNSS Engine

The module provides strong RF sensitivity:

• Tracking: -165 dBm
• Reacquisition: -160 dBm
• Cold start: -148 dBm

Benefits include:

• Reliable operation in weak signal environments
• Better indoor/outdoor transition performance
• Stable tracking under urban canyon conditions
• Improved navigation continuity

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3. Fast Time-To-First-Fix (TTFF)

• Hot start: < 1 second
• Warm start: ~26 seconds
• Cold start: ~28 seconds

Benefits include:

• Fast position availability after power-on
• Reduced waiting time for navigation systems
• Better user experience in tracking devices
• Efficient power cycling performance

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4. Low Power Consumption Design

SIM68AT is optimized for low-power GNSS operation:

• Acquisition: ~25 mA
• Tracking: ~20 mA
• Backup: ~14 µA

Benefits include:

• Long battery life for portable devices
• Suitable for IoT tracking systems
• Always-on GNSS capability
• Efficient power management modes

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5. Integrated RF Front-End

The module integrates key RF components:

• Low-noise amplifier (LNA)
• SAW filter
• RF front-end optimization

Benefits include:

• Improved signal quality
• Reduced external component count
• Better PCB integration
• More stable GNSS reception

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6. Satellite Augmentation and Assistance Features

SIM68AT supports advanced GNSS assistance features:

• SBAS (WAAS, EGNOS, GAGAN, MSAS)
• EPO/EPOT orbit prediction
• Assisted GNSS for faster fixes

Benefits include:

• Faster startup performance
• Improved accuracy in supported regions
• Better real-world navigation performance
• Enhanced tracking reliability

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7. Compact SMT LCC Package

The module uses a compact LCC (Land Grid Array) package.

Benefits include:

• Easy SMT assembly
• Small PCB footprint
• Suitable for embedded IoT designs
• Reliable RF performance integration

Applications

1. Vehicle Tracking & Telematics

• Fleet management systems
• Vehicle navigation devices
• Usage-based insurance (UBI)
• OBD tracking devices

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2. IoT Asset Tracking

• Logistics tracking tags
• Smart shipping containers
• Portable GPS trackers
• Asset monitoring devices

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3. Industrial Applications

• Robotics navigation
• UAV/drone positioning
• Remote monitoring systems
• Industrial telemetry

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4. Consumer Electronics

• Wearables
• Smart watches
• Handheld navigation devices
• Sports tracking devices

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5. Smart City Infrastructure

• Smart parking systems
• Shared mobility tracking
• Environmental monitoring
• Infrastructure positioning systems