LIVE301 modelsBrands 35Comparisons 869Oct 21, 2026 RankingsAdvertise
precisionagricultu.re
  1. precisionagricultu.re
  2. Compare
  3. i73+ vs AsteRx SBi3 Pro+

CHCNAV i73+ vs Septentrio AsteRx SBi3 Pro+

What i73+ does better (2) and where AsteRx SBi3 Pro+ wins (4) — every spec side by side.

CHCNAV i73+
CHCNAV · 2022i73+
7.2Score
2 advantages
vs
Septentrio AsteRx SBi3 Pro+
Septentrio · 2022AsteRx SBi3 Pro+
9.3Score
4 advantages
Higher score
2.9Positioning6.4
4.9Maps & navigation8.8
6.5Durability8.5
Dimensions

Size comparison

i73+AsteRx SBi3 Pro+
119 × 85119102 × 36118
i73+AsteRx SBi3 Pro+Difference
Height85 mm36 mm+49 mm
Width119 mm102 mm+17 mm
Depth119 mm118 mm+1 mm
Weight730 g490 g+240 g

Drawn to the same scale from the official dimensions (front and side).

Why is i73+ better than AsteRx SBi3 Pro+?

  1. Operating temperature (min)-40 °C vs -30 °C+-25%
  2. Tracking channels624 vs 544+15%

Why is AsteRx SBi3 Pro+ better than i73+?

  1. Water protection (IPx)IPx7 vs IPx8+14%
  2. Weight730 g vs 490 g+49%
  3. Internal storage8 GB vs 16 GB2×
  4. Satellite systems supported5 vs 6+20%
Specifications

Side by side

Satellite positioning
Satellite systemsGPS, GLONASS, Galileo, BeiDou, QZSSGPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS)
Satellite systems supported56
Tracking channels624544
SBAS (WAAS / EGNOS)—Yes
RTK positioningYes—
Tilt compensation (IMU)YesYes
Dual-antenna heading—Yes
Correction sourcesNTRIP (internet), UHF radioL-band / PPP, SBAS
Built-in UHF radioYes—
L-band / PPP corrections—Yes
Raw data logging (RINEX)Yes—
Maps & navigation
Internal storage8 GB16 GB
Connectivity & safety
BluetoothYes—
Battery & power
Battery life18 h—
Battery capacity6,800 mAh—
Power sourceRemovable rechargeable pack—
Build & durability
Protection ratingIP67IP68
Water protection (IPx)IPx7IPx8
MIL-STD-810—Yes
Drop resistance2 m—
Operating temperature (min)-40 °C-30 °C
Operating temperature (max)65 °C65 °C
Weight730 g490 g
Width119 mm102 mm
Height85 mm36 mm
Depth119 mm118 mm
Housing material—Ruggedized enclosure
To compare: 0up to 4 models
Compare