User's Manual

USER MANUAL V0.9
EnOcean GmbH
Kolpingring 18a
82041 Oberhaching
Germany
Phone [phone]
Fax [phone]
[e-mail]
www.enocean.com
Subject to modifications
PTM 210 / 210C step EA User Manual V0.9
October 18, 2011 4:33 PM
Page 13/17
PTM 210 / 210C STEP EA
3 APPLICATIONS INFORMATION
3.1 Laying the antenna (PTM 210C only)
For best performance the antenna cable should be layed as shown in the figure below.
Laying the 315 MHz whip antenna
 The distance between antenna foot point and antenna end must be > 25 mm
 The antenna area should be maximized
 The antenna should be placed at the same height above the ground plane as
the rotation axis for the switch rocker (see example below)
O
I
BA
O
I
BA
~ 102mm
~ 42mm
~ 63mm > 25mm
O
I
BA
O
I
BA
O
I
BA
O
I
BA
~ 102mm
~ 42mm
~ 63mm > 25mm