Shenzhen Youwei Communication Co., Ltd.
| Payment Terms | T/T, Western Union, MoneyGram, D/A, L/C, Paypal |
| Supply Ability | 200000pcs |
| Delivery Time | 5-7 business days |
| Packaging Details | Tray/Carton |
| Item Name | TCXO GNSS Module |
| Product Dimension | 18x18x2 |
| Country of Origin | China |
| Chipset | AT6558R or Customizable |
| Satellite System | GPS, QZSS, Beidou,GLONASS, Galileo,SBAS |
| Positioning Accuracy | < 10 meters |
| Update Rate | 1~10Hz optional |
| Customization | Available |
| Warranty | One Year |
| Antenna | Patch ceramic antenna |
| Brand Name | Youwei |
| Model Number | YW-18182G3 |
| Certification | CE FCC RoHS |
| Place of Origin | Guangdong, China |
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram, D/A, L/C, Paypal | Supply Ability | 200000pcs |
| Delivery Time | 5-7 business days | Packaging Details | Tray/Carton |
| Item Name | TCXO GNSS Module | Product Dimension | 18x18x2 |
| Country of Origin | China | Chipset | AT6558R or Customizable |
| Satellite System | GPS, QZSS, Beidou,GLONASS, Galileo,SBAS | Positioning Accuracy | < 10 meters |
| Update Rate | 1~10Hz optional | Customization | Available |
| Warranty | One Year | Antenna | Patch ceramic antenna |
| Brand Name | Youwei | Model Number | YW-18182G3 |
| Certification | CE FCC RoHS | Place of Origin | Guangdong, China |
| Option Category | Available Choices |
| Satellite Systems | - GPS (L1 C/A) - GPS + GLONASS - GPS + Galileo - GPS + BeiDou - Multi-constellation (All systems) |
| Positioning Accuracy | - Standard: 2.5m (SBAS) / 5m (autonomous) - High-Precision: <1m (RTK/PPK) - Sub-meter (with DGPS) |
| Channels | 72 channels or customized |
| Option Category | Available Choices |
| Update Rate | - 1Hz (default) - 5Hz/10Hz (navigation) - 20Hz/50Hz (drone/racing) |
| TTFF | - Cold start: ≤30s - Hot start: ≤1s - A-GPS assisted: ≤5s |
| Sensitivity | - Tracking: -165dBm to -162dBm - Acquisition: -148dBm to -160dBm |
| Option Category | Available Choices |
| Data Interface | - UART (9600/115200 bps) - I2C/SPI - USB 2.0/3.0 - CAN bus (automotive) |
| Protocols | - NMEA 0183 (default) - UBX (u-blox binary) - RTCM 3.x (RTK) |
| Wireless Connectivity | - Bluetooth/BLE - Wi-Fi - 4G LTE (with GNSS+cellular modules) |
| Option Category | Available Choices |
| Operating Voltage | - 3.3V (low-power) - 5V (industrial) - Wide range: 2.7V–5.5V |
| Power Consumption | - Active: 25mA–50mA - Sleep: <1mA - Supercapacitor backup (optional) |
| Temperature Range | - Commercial: -20°C to +70°C - Industrial: -40°C to +85°C - Automotive: -40°C to +105°C |
| Option Category | Available Choices |
| Antenna Type | - Passive ceramic patch (embedded) - Active external (SMA/FAKRA) - Magnetic mount |
| Antenna Gain | - Standard: 28dB - High-gain: 35dB (for weak signals) |
| Option Category | Available Choices |
| Certifications | - FCC/CE/RoHS/Country-specific Professional Certification |
| Option Category | Available Choices |
| Data Logging | - Built-in flash (4MB–32MB) - MicroSD slot |
| Firmware Upgrades | - OTA (Wi-Fi/cellular) - USB/UART local update |
| Special Functions | - Geofencing - Dead reckoning (DR) - Anti-jamming (military-grade) |
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.
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).
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.
Critical for:
Cellular base stations (5G synchronization).
Financial timestamping (nanosecond-level accuracy).
TCXO reduces PPS (Pulse-Per-Second) jitter, ensuring reliable timekeeping.
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
| Feature | TCXO | Standard XO |
| Frequency Stability | ±0.5–5 ppm | ±10–100 ppm |
| Temperature Range | -40°C to +85°C (stable) | Sensitive to temperature |
| Weak-Signal Handling | Excellent | Poor |
| Cost | Higher (+20–50%) | Low |
| Typical Use Cases | High-precision applications (surveying, drones) | Consumer devices (basic navigation) |
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.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
10000-100000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
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 integr... 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 integr...
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