Wireless sensor network - SoilNet

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Wireless sensor network


Method:

Summary:

Radio frequency used:

2.4 GHz

Radio protocol used:

Range/Power (line of sight/dBm):

Free sight range: 4km

Router to Router in Field in operation: 600 m

Belowground End device to Router in operation: up to 80 m

Transmission power 19 dBm

Hop modes:

multi-hop, tree-network

GPRS:

yes

Mesh limitations:

number of sensors:

number of nodes per router:


Additional information:

Sensor compatibility:

Echo EC-5

Echo 5TE

Temperature

4 digital/ 4 analogue

Data reading frequency:

===Storage of data/backup

Power consumption:

sleep modus: 5 µA

during sending: 125 mA

mW/packets ?

Reliability:

Years in service:

Failure rate instrument (years):

Packet failure (%):

Installation procedure:

Display

Real time data

Information on link quality

Installation underground possible:

Battery life:

End device calculated: 3 years

Router without solar panel: 3 months

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


References