Wireless sensor network - Decagon

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Wireless sensor network


Contents

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


References

Personal tools