Tech Specs
In The Box
- Forerunner 945 LTE GPS watch
- Charging/data cable
- Documentation
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Ask a Question
Tech Specs
In The Box
- Forerunner 945 LTE GPS watch
- Charging/data cable
- Documentation
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Forerunner 945 LTE Smartwatch: GPS Running Watch with LTE Connectivity and Music Storage
Introduction
The Garmin Forerunner 945 LTE is built for athletes who refuse to leave their phone behind. Unlike standard GPS watches, this 50-gram smartwatch connects directly to cellular networks, allowing runners, cyclists, and triathletes to send live location data to emergency contacts, access weather updates, and receive alerts—all without your smartphone. The 1.4-inch AMOLED display paired with Corning Gorilla Glass DX delivers crisp readability in sunlight, while internal storage for up to 1,000 songs lets you maintain focus on the workout, not the music device.
Key Features
- LTE connectivity with LiveTrack—share your location in real-time with designated contacts during runs, rides, or open-water swims
- Battery endurance: 2 weeks in smartwatch mode; 7 hours during continuous GPS mode with music and LTE LiveTrack active
- Multi-GNSS positioning system combining GPS, GLONASS, and Galileo for accuracy within 3 meters in most environments
- Water resistance rating of 5 ATM (50 meters), suitable for competitive pool swimming
- VO2 Max estimation and Training Readiness Score adjusted for sleep quality and recovery metrics
- PacePro grade-adjusted pace guidance that accounts for elevation changes during trail or hill running
- Internal storage capacity for 1,000 songs with Bluetooth audio streaming to compatible wireless earbuds
Data Insights
Performance tracking technology demonstrably improves training outcomes—athletes using comprehensive metrics devices achieve up to 30% improvement in training effectiveness. The Forerunner 945 LTE tracks VO2 Max continuously, allowing you to benchmark aerobic fitness progression week over week and make data-informed decisions about workout intensity. Its Training Readiness Score analyzes heart rate variability, previous training load, and sleep data to recommend whether you should push hard or dial back intensity on any given day.
Usage Instructions
Pair the watch with the Garmin Connect mobile app to activate LTE features and set up emergency contacts who receive automatic location alerts. Configure custom activity profiles for running, cycling, swimming, or triathlon mode. During each workout, review real-time metrics including pace, heart rate, and cadence on the primary display, then use the training calendar to track weekly volume and recovery recommendations. Sync completed activities wirelessly to Garmin Connect to analyze trends and adjust upcoming training blocks.
Design & Material
This watch balances durability with comfort through minimal bulk. At only 50 grams, it won't fatigue your wrist during 10-hour endurance events, while the reinforced bezel and scratch-resistant lens withstand trail running impacts and outdoor conditions.
- Corning Gorilla Glass DX lens—scratch-resistant optical material rated for impact resistance
- Lightweight polymer case with integrated antenna for cellular connectivity
- Textured silicone strap with multiple sizing holes for secure fit during sweaty efforts
- Stainless steel watch lugs and caseback for long-term structural integrity
- Full touchscreen display with quick-access menu navigation and customizable watch faces via Connect IQ app store
- Integrated sports watch sensors: accelerometer, gyroscope, compass, temperature, and pulse oximeter for blood oxygen tracking
Final Verdict
The Garmin Forerunner 945 LTE addresses a specific need for endurance athletes: reliable standalone connectivity, accurate multi-GNSS positioning, and comprehensive health metrics—all in a device light enough for marathon training. If you run, bike, or swim seriously and value safety features alongside performance data, this watch eliminates the choice between leaving your phone behind and staying connected. The 2-week battery life between charges and music storage eliminate dependency on separate devices. Invest in the Forerunner 945 LTE to train smarter, stay safer, and own every workout.






