SECTION 2
• Near or adjacent to devices which generate strong electromagnetic fields, for e.g.
transformers, electric equipment, etc
• Line-of-sight transmission can be affected by the following
•
Indoors
•
Concrete reinforcing
•
Concrete Walls
•
Rhino board Walls with internal steel structure
•
Outdoors
•
Elevation: WiZo devices mounted at disparate elevations
(e.g. ground level versus 3-4 storeys up: Windmill VS Borehole Pump)
•
Steel structures
•
Concrete structures
2.4.2.2. Network Transmission Limitations
The following are recommendations for transmission distance and can be used as a
reliable rule of thumb. These recommendations are generalised, and external factors may
reduce network integrity.
Indoors
Outdoors
1.
This is omnidirectional and will be affected by reinforcing and concrete.
2.
This requires line-of-sight, clear weather and no ambient conditions which impact negatively
on RF characteristics or obstructions that deflect or diffuse signal strength.
2.4.2.3. Communication Certifications
The WiZo-Link device carries the following approvals:
•
ICASA (South Africa)
•
CE (Europe)
•
RCM (Australia)
2.5. Expanding the Network
Although WiZo-Link-based networks are standalone, the network can be expanded
by including a Gateway Device. The gateway would link the WiZo-Link network to the
outside world and allow for control and monitoring of the network.
A gateway device may, for example, be the Centurion Systems G-ULTRA GSM Ultra.
This device links the WiZo-Link mesh network to the outside world and the user would
be able to link to the network using Centurion Systems' G-REMOTE mobile app.
The gateway has enabled connectivity with the individual WiZo units, allowing for them
to be monitored and controlled. The gateway is not required and, once configured, the
gateway enhances features. The network and device configuration are done on the WiZo
devices themselves and, once configured, the the app can interact with them.
Network Transmission Recommendations
page 11
NETWORK REDUNDANCY
50 metres minimum
Up 1KM, Line of sight
1
2
TABLE 1
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