The Trimble SNM910 cellular modem is designed specifically to connect a Trimble base station to the Internet and to IBSS in situations where a wired LAN connection is not practical or desirable.
Using a wired LAN or cellular connection to IBSS, contractors can select a remote IBSS base station and rebroadcast the RTK correction stream from that base to rovers or machines in the vicinity. This allows the radio re-broadcaster to be located in a static location where good cellular coverage is available and allows multiple GNSS rovers and machines to operate anywhere within radio range. This set-up reduces the need for multiple modems and cellular service plans connecting each asset individually to the IBSS server, or long radio repeater chains, saving the contractor considerable costs while also providing a more reliable service in difficult coverage areas
- Rover or Machine users of Trimble GNSS receivers connect to IBSS and select the closest GNSS base station.
- Re-broadcast your RTK correction stream further with IBSS and reduce your black spots
- Flexibility of add-on subscriptions to base stations and rovers
- Up to 18 mile coverage over remote site
YOU DON’T NEED TO RELY ON SITE RADIO COMMUNICATIONS
Alternatively, contractors can use the same LAN or cellular connection to rebroadcast GNSS corrections from a Trimble VRS™ network and remove the range limitations of radios for precise or location GNSS operation.
The new Internet Base Station Service (IBSS) provides GNSS correction information over the Internet using cellular services instead of relying solely on site radio communications, which can be subject to range limitations and black spots. IBSS is an add-on subscription to Trimble modular base stations and all rovers. To leverage the service, contractors simply connect their base stations to the IBSS using a wireless Local Area Network (LAN) or cellular modem technology to provide GNSS corrections over longer distances than normally possible with radio and repeater technology.
The new service extends precise GNSS coverage to remote or offsite project areas such as borrow pits, dump sites or other projects within a 30 kilometre (18 mile) range and provides more flexibility for the setup of GNSS infrastructure on large projects. This is especially useful for companies running multiple projects within a 30 kilometre (18 miles) radius to solve radio outage problems on large projects or in difficult terrain. Location RTK accuracies can be achieved using IBSS at greater distances. This is useful for new site reconnaissance or for initial site works such as setting site limits, clearance lines or silt fencing and topsoil stripping without the need to set up a local base station.
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