Wireless sensor network - eKo
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Wireless sensor network (commercial)
Method:
Summary:
Radio frequency used:
Radio protocol used:
Range/Power (line of sight/dBm):
500m / 3db / 2mWatt
Hop modes:
Multi hop self optimizing
GPRS:
planned
Mesh limitations:
35 nodes (= routers)
4 ports/node; typ. up to 2 sensors/port
number of nodes per router:
Additional information:
Sensor compatibility:
analog (Voltage)
digital
counter
input RS485
Data reading frequency:
Currently fixed to a measuring and sending interval of 15min.
Storage of data/backup:
Only within web server / 2GB
Power consumption:
Web server 4 Watt / 5 V
Reliability:
Years in service: at least 5 years
Failure rate instrument (years): not known
Packet failure (%): Depends on system installation, typical <10%
Installation procedure:
Installation underground possible:
Battery life:
Maintenance required /Ease of maintenance:
Support:
Software:
Web friendly interface:
Data base:
Scripting language:
Ease of update:
Open source:
Cost:
What to watch out for:
Problems/Questions:
Links
Projects that used the above equipment:
Other related web sites:
Technical information
Distributors