Wireless sensor network - Decagon
Wireless sensor network
Method:
Summary:
Radio frequency used:
Radio protocol used:
Range/Power (line of sight/dBm):
with line of sight: several km (2.4 GHz and 915 MHz) (868 MHz planned and GPRS in development (beta version)
Hop modes:
enhanced single hop (base station and relay permanently online)
GPRS:
in development
Mesh limitations:
number of sensors: 5
number of nodes per router:
Additional information:
Sensor compatibility:
all Decagon (analog, digital, pulse) other sensors possible
Data reading frequency:
1 minute
Storage of data/backup:
36’864 data places
Power consumption:
60 – 70 mAh base station 60 – 70 mAh relay average for sensor unit: less than 1 mAh
Reliability:
years in service: 6 – 7 year (life time of product line)
Installation procedure:
easy
Installation underground possible:
not possible
Battery life:
6-8 months typically
Maintenance required /Ease of maintenance:
easy
Support:
possible and easy
Software:
local database, web friendly interface planned desktop software for visualization, scripting not needed black box system
Cost:
What to watch out for:
Problems/Questions:
humidity problems may be possible due to “open” casing
Links
Projects that used the above equipment:
Other related web sites:
Technical information
Distributors