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April 2021
The iG4 has been superseded by the iG5.
Support for the iG4 will continue;
however, new orders will be filled with the iG5 receiver

[ Click here to jump to the iG5 ]

What is new with the iG5?

Same [ price ]
Much, much smaller and lighter

Full metal case

Longer battery life (12-hours)

Internal battery, faster charging, twice the capacity of the iG4

Higher SV channel count, same family of OEM engine

Standard USB-Type C interface cables and connector

Wi-Fi setup and control, in addition to Bluetooth

Charging and external power from standard USB power banks and chargers

Smaller carry case


  • Tracks 432 channels: GPS: L1/L2/L2P/L2C GLONASS: L1/L2 BeiDou: B1/B2/B3 Galileo E1/E5a/E5b

  • Designed for NGS OPUS-Static and OPUS-RS, perfect for OPUS-Projects and all Static GPS Campaigns, fully compatible with the simple to use [ CGO2 ] tool for manual processing and adjustment

  • Simple download tool supports OPUS, AUSPOS, RTX CenterPoint, IBGE with automated uploading and submittal

  • Large ground-plane geodetic antenna offers low angle tracking and near choke-ring performance

  • Simple one-button (power-switch) operation, emulates USB External Drive for download

  • Printed User Manual makes use and OPUS processing simple [ User Manual ]

  • 4-GB Internal Memory: stores ~30 days of 5-second observation data

  • Large Capacity 3,400 mAH battery, runs up to 6.5 hours on internal power

  • Rugged, Waterproof, Submersible, IP67

  • Affordable prices include UPS Ground shipping to most locations in the USA

  • For affordable, high performance GNSS-RTK receivers see [ iG8 ]

  • What are the differences between the X90-OPUS and the iG4? [ what's new ]

  • Optional [ heavy-duty external power cable ]

 iG4 Benefits
Easy to Use:  One-Button Operation
Simple Data Management:  Mounts as a USB Disk Drive
Automatic Download and Submittal:  Single button download, automatic submission to OPUS
Reasonable Price:  Campaigns benefit from additional receivers,
 1/3 the price of other L1/L2/L2C receivers
Rugged receiver with hard-shell case:  The iG4 will provide years of service
   [ The iG4 is export controlled ]

iGage Mapping Corporation
1545 South 1100 East STE 1
Salt Lake City UT 84105 USA


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