Wireless, just a good word, we realized a Seismograph W2Z,
each main station M (mom) is able to managing 240 units
The technical specifications are the same of telemetry system JEA247E500
It works with 2.4Gz trasmission
Using DOLANG Antenna directional inside box.
Working battery just a week running, remote controlled by notebook
ESAC REMI ESAC SPAC passive and attive acquisition implement with last version.
IP67 raining proof
On 2017 will be on the world market
A real good system to work