High Accuracy GNSS GPS Module with Utilizes Industrial-grade Temperature-compensated Crystal Oscillator TCXO and Better Positioning Performance

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.

1.Company info

Shenzhen Youwei Communication Co., Ltd is a professional GNSS system (GPS, Beidou. GLONASS, GALILEO) navigation solution provider. Intended to provide a one-stop GNSS satellite timing, measurement, positioning, and navigation solution provider to OEM/ODM customers and system integrators both domestically and internationally. Committed to creating long-term value and potential growth for customers.
Since its establishment, Youwei Communication has established a technical team with rich experience in RF technology, GNSS/WIFI/Bluetooth/GPRS software and hardware development. Guoxing Beidou can provide a series of industrial grade high-quality GNSS navigation and positioning modules such as GPS, Beidou, GLONASS, GALILEO, GPRS communication modules, and indoor positioning solutions. Based on the module core, secondary development and application can be carried out to provide customers with personalized wireless product solutions and enhance their overall competitiveness.
The company's products are widely used in M2M industries such as wireless public telephones, commercial telephones, wireless monitoring, GPS car terminals, home anti-theft, car anti-theft, wireless data transmission, wireless DTU, PND, power meter reading, power system monitoring, water affairs, oil fields, mining, POS free machines, shipping, wireless PDA, logistics, IoT industry chain, industrial automation, information dissemination, etc. Remote meter reading and centralized meter reading for smart grids, municipal street light control, building automation control, industrial (security) video monitoring, water conservancy and hydrological monitoring, financial mobile POS terminals, remote pipeline network monitoring for energy (energy, water supply, heating, etc.), meteorological monitoring, environmental protection, intelligent transportation, smart homes, media advertising, digital healthcare, earthquake monitoring, industrial remote sensing and telemetry, fire safety, coal mines, etc. Real time online detection, oilfield data collection and other fields.