Operation Manual

11
3.4.3 Modem/router
- The central controller of the system. It must be powered all the time, when the Navigation
System works. It is recommended to use active USB hub for that purpose or even a regular
USB power supply for cellular phones. A
USB power bank can be used too
- Modem is also used to setup the system,
monitor it, interact with the Dashboard
- It can be placed anywhere within radio
coverage to have permanent radio
connection with all beacons – usually in
the radius of up to 100 meters with
antennas from Starter Set
- The radio coverage can be further
extended to a few hundred meters by
using lower bitrate of 38kbps and full-
size (165mm – for 433MHz band)
antennas (tested up to 400 m in ideal
conditions)
- There are 433MHz and 915MHz versions
available
- Proprietary radio protocol is used for communication and synchronization