YW-18182G3 GPS Module Ordering Information

1. Core Specifications

2. Performance & Sensitivity

3. Interfaces & Communication

4. Power & Environmental

5. Antenna Options

6. Certifications & Compliance

7. Additional Features

Key Advantages of TCXO in GPS/GNSS Modules

1. Higher Frequency Stability

Standard XO: Prone to frequency drift due to temperature changes (typical stability: ±10–100 ppm).

TCXO: Uses temperature compensation to minimize drift (typical stability: ±0.5–5 ppm).

Impact on GPS Module:

Faster Time-To-First-Fix (TTFF) and reduced timing errors.

Improved positioning accuracy, especially in dynamic or extreme-temperature environments.

2. Better Weak-Signal Performance

TCXO’s low phase noise enhances the module’s ability to decode weak satellite signals.

Use Cases:

Urban canyons, indoor navigation (e.g., shared bikes, car trackers).

Mission-critical applications (drones, emergency beacons).

3. Superior Temperature Resistance

Standard XO: Performance degrades in extreme heat/cold, causing positioning drift or signal loss.

TCXO: Maintains stability across a wide range (-40°C to +85°C), ideal for:

Industrial equipment (e.g., RTK surveying devices).

Automotive/aerospace applications with large temperature swings.

4. Precision Timing Synchronization

Critical for:

Cellular base stations (5G synchronization).

Financial timestamping (nanosecond-level accuracy).

TCXO reduces PPS (Pulse-Per-Second) jitter, ensuring reliable timekeeping.

5. Power Efficiency & Long-Term Reliability

While TCXO consumes slightly more power (1–5 mA) than XO, its stability reduces frequent signal reacquisition, saving energy overall.

Lower aging rate (e.g., ±1 ppm/year) extends module lifespan.

TCXO vs. Standard XO: Quick Comparison

When to Choose a TCXO GPS Module?

High-precision positioning (e.g., autonomous vehicles, RTK surveying).

Harsh environments (outdoor industrial use, automotive).

Time-critical systems (5G networks, financial infrastructure).

Weak-signal scenarios (urban/indoor navigation).

For cost-sensitive, low-accuracy applications (e.g., simple GPS trackers, smartwatches), a standard XO module may suffice.