Figure 13: Specification of the RCM whip antenna
b) Mounting an external antenna:
For mounting the receiver at bad RF locations (e.g. within a metal cabinet), an external
antenna has to be used. After resoldering the pre-installed whip antenna, the external antenna
can be connected to the equipment by a 50-Ohm coax feeder with Teflon insulation as follows
(connect the inner cable to the resoldered hole, and solder the shielding as short as possible to
the RCM Groundplane, length of insulation max. 4 mm):
Figure 14: Mounting an external antenna
©EnOcean GmbH
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RCM 152 User Manual V1.31