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  3. Falcon X vs Reach RS4

Alpha GEO Falcon X vs Emlid Reach RS4

What Falcon X does better (0) and where Reach RS4 wins (4) — every spec side by side.

Alpha GEO Falcon X
Alpha GEO · 2026Falcon X
3.8Score
0 advantages
vs
Emlid Reach RS4
Emlid · 2025Reach RS4
9.6Score
4 advantages≈ $3,900
Higher score
6.0Positioning9.7
2.0Battery7.8
2.3Durability9.2

Why is Falcon X better than Reach RS4?

Falcon X has no measurable advantages in this pair.

Why is Reach RS4 better than Falcon X?

  1. Battery life3 h vs 16 h5.3×
  2. RTK accuracy (horizontal)8 mm vs 7 mm+14%
  3. Water protection (IPx)IPx7 vs IPx8+14%
  4. Satellite systems supported5 vs 6+20%
Specifications

Side by side

Emlid Reach RS4Emlid Reach RS4≈ $3,9009.6
Satellite positioning
Satellite systemsGPS, GLONASS, Galileo, QZSS, NavIC (IRNSS)GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS)
Satellite systems supported56
Multi-band GNSS (L1 + L5/L2)YesYes
Frequency bandsL1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3L1, L2, L5, E1, E5a, E6, B1, B2, B3
Tracking channels1,408—
RTK positioningYesYes
RTK accuracy (horizontal)8 mm7 mm
RTK accuracy (vertical)15 mm—
Tilt compensation (IMU)—Yes
Correction sourcesNTRIP (internet), UHF radio, Cellular modemNTRIP (internet), UHF radio, LoRa radio
Built-in UHF radioYesYes
Connectivity & safety
Wi-FiYes—
BluetoothYes—
Cellular modem (4G / LTE)Yes—
USB-CYesYes
CameraYes—
Battery & power
Battery life3 h16 h
Build & durability
Protection ratingIP67IP68
Water protection (IPx)IPx7IPx8
Operating temperature (min)—-40 °C
Operating temperature (max)—65 °C
Weight1,800 g—
Height301 mm—
Depth138 mm—
Housing material—Magnesium alloy
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