HTRONIC HT8S - Information on Range; Possible Causes for Reduced Range; Other Causes and Sources of Interference

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8-Channel Transmitter HT8S
3. INFORMATION ON THE RANGE OF THE DEVICE
The transmitter/receiver operates in the 868 MHz range which is also used by
other radio services. Therefore it can happen that devices operating on the same
or adjacent frequencies can result in limitations on the operations of the range. The
range of wireless remote controls depends on several factors. The specified range
is the free-field range meaning the distance in the line of sight between transmitter
and receiver. In reality however, walls, ceilings, cars and other obstructions can
be between transmitter and receiver, reducing the range accordingly.
POSSIBLE CAUSES FOR A REDUCED RANGE:
– Walls, ceilings through which this signal has to pass and
especially the material of which they are made of.
– Insulating windows in the car.
– Other radio sources operating on the same frequency
can significantly reduce the range.
– Interference of microprocessors from computers, satellite receivers
and other electronic devices. (The receiver should have
enough distance from such devices)
OTHER CAUSES AND SOURCES OF INTERFERENCE:
– Wireless devices such as headphones, wireless speakers or wireless baby
monitors that use the same frequency can influence each other and limit the
range of the transferred signals.
– Devices such as PC monitors, computers, TVs and photocopiers can also cause
interference and reduce the range.
– All devices emitting a high frequency disturbance of all kinds.
– Buildings and vegetation.
– Conductive metal parts that are located near the receivers or are near or
within the direct path of the transmitted signal. E.g. radiators, insulated glass
windows, enforced concrete walls and floors.
– The influence of the transmission pattern of the antenna of the transmitter and
receiver through conductive surfaces or objects (including human bodies or soil).
– Broadband interference in urban areas reducing the signal-to-noise ratio. The
signal is no longer detected in the “noise”.
– Exposure to insufficiently shielded electronic equipment such as computers.