Equipment Comparisons
Emlid RS4 vs Trimble GNSS
Comparing budget-friendly Emlid with industry-standard Trimble for GNSS positioning.
Emlid RS4
by Emlid
~$3,000
Specifications
Accuracy
±8mm + 1ppm RTK
Channels
448
Constellations
GPS, GLONASS, Galileo, BeiDou
Weight
0.9 kg
Pros
- Excellent price point (~$3,000)
- Good RTK accuracy
- Easy to use app
- Built-in LoRa radio
- PPK post-processing
Cons
- Less robust build
- Limited survey features
- Smaller ecosystem
- Basic stakeout tools
Best For
Drone mapping, GCPs, budget-conscious survey operations
Trimble R12i
by Trimble
~$15,000+
Specifications
Accuracy
±5mm + 0.5ppm RTK
Channels
672
Constellations
All + L-Band
Weight
1.1 kg
Pros
- Industry-leading accuracy
- Robust construction
- Trimble Access integration
- ProPoint GNSS engine
- Superior multipath rejection
Cons
- Significant price premium
- Complex feature set
- Requires training
Best For
Professional land surveying, control networks, highest accuracy requirements
Our Verdict
The Emlid RS4 offers remarkable value for drone mapping and casual survey work. For professional land surveying, boundary work, or any project requiring defensible accuracy, the Trimble R12i remains the industry standard.
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