RXM-GPS-F4-T Linx Technologies Integrated Circuit (Other) In Stock
The Linx Technologies RXM-GPS-F4-T is a compact GPS receiver module in the F4 series, delivering NMEA 0183 position data with a cold-start acquisition time under 35 seconds and tracking sensitivity of -162 dBm. It operates from a 3.3 V supply and provides serial UART output for straightforward microcontroller integration. Available through authorized distributors with worldwide shipping.
- Manufacturer
- Linx Technologies
- Package
- Other
- Pin Count
- 22
- Lifecycle
- ACTIVE
- Datasheet
- RXM-GPS-F4-T Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- -162 dBm tracking sensitivity enables reliable GPS fix acquisition in partially obstructed outdoor environments such as urban canyons
- Fast cold-start acquisition time under 35 seconds and hot-start under 1 second for responsive positioning in asset tracking applications
- 3.3 V single-supply operation with UART serial output simplifies integration with 3.3 V microcontrollers and SoCs without level shifting
- NMEA 0183 protocol output provides GGA, RMC, and VTG sentences for position, velocity, and time data in standard GPS applications
- Compact SMT module footprint with integrated patch antenna interface reduces PCB area and external component count
Applications
The RXM-GPS-F4-T is used in portable asset trackers, fleet management units, and outdoor IoT devices where a self-contained GPS receiver module with -162 dBm sensitivity is needed without the complexity of a discrete RF front-end design. Its 3.3 V UART interface suits direct connection to ARM Cortex-M microcontrollers and cellular modem modules in compact PCB designs for vehicle tracking, personal navigation, and geofencing devices. The module is also deployed in UAV autopilots and robotics systems that require NMEA 0183-compatible position and heading data at 1 Hz update rates.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What tracking sensitivity does the RXM-GPS-F4-T achieve and how does it affect urban deployment performance?
The RXM-GPS-F4-T achieves -162 dBm tracking sensitivity, which allows it to maintain a GPS fix in environments with 20 to 30 dB of signal attenuation compared to open-sky conditions. This makes it suitable for asset tracking devices mounted inside vehicles or near building facades, where direct line-of-sight to satellites is partially obstructed by structures or foliage.
How quickly does the RXM-GPS-F4-T acquire a position fix after a cold start versus a hot start?
The RXM-GPS-F4-T achieves a cold-start time to first fix of under 35 seconds when no almanac or ephemeris data is available, and a hot-start time under 1 second when valid satellite data is cached from a previous session within 2 hours. This performance suits fleet management transponders and personal locators where rapid position availability after power-on is a key design requirement.
What supply voltage and interface does the RXM-GPS-F4-T require for microcontroller integration?
The RXM-GPS-F4-T operates from a 3.3 V supply and communicates via a standard UART serial interface at 9600 baud (default) with NMEA 0183 output sentences including GGA, RMC, and VTG. This allows direct connection to 3.3 V microcontrollers such as STM32 or nRF52 series devices without voltage level translation, simplifying the bill of materials for IoT tracker designs.
Is the RXM-GPS-F4-T suitable for use in a battery-powered portable tracker that needs low power consumption?
The RXM-GPS-F4-T is designed for embedded GPS applications and supports low-power acquisition modes that reduce average current consumption to the low-milliamp range between 1 Hz position fixes. For a 1000 mAh battery, continuous tracking operation typically provides 50 to 100 hours of runtime depending on fix interval settings, making it viable for multi-day outdoor asset tracking devices without frequent recharging.
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