NOTICE
Inadequate radio connection
The radio connection is affected by any obstacles and interference.
- The antenna cable should be as short as possible to keep signal loss on the cable as low as
possible.
- Do not extend the antenna cable. Only use the antennas which are supplied as accessories by
Proemion. Bring the radio module closer to the antenna or order an alternative antenna with a
longer antenna cable.
- An antenna, particularly outside, should be positioned as high as possible. This allows you to
improve the range. This keeps the Fresnel zone clear – the higher, the better.
- Always protect connections on the outside cables, junctions, and antennas with protective tape.
- The external antenna is not to be used as lightning arrester. Select the position of the antenna
carefully, use surge protector and do not route the antenna cable parallel to a lightning arrester.
- In the case of insufficient stability of the mounting, the quality of your antenna alignment can be
reduced. When mounting the antenna, also think about wind and other outside influences such as
ice and snow.
- Install the antenna in an open area, as far away as possible from any obstacles such as
buildings, trees, other antennas, or metal objects.
- In case that there is a second antenna installed, calculate the minimum distance. The horizontal
distance between antennas should be greater than 1/4 of its wavelength (absolute minimum
separation), but it should not be located at the exact multiples of its wavelength (maybe avoid the
first 3-4 multiples).
- Establish a sufficient ground connection to the pole, the device, the antenna and surge
protection.
- In case of using the antenna supplied in the hardware kit: Ensure that the minimum bending
radius of the antenna cables is 8 times the outer diameter.
CANlink wireless 4000 Device Manual
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