User's Manual

User Manual
Version 01.01
2011-12-22
Radio modules deRFarm7
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden / Germany
Tel.: +49 351 – 31 85 00
Fax: +49 351 – 3 18 50 10
[e-mail]
www.dresden-elektronik.de
Page 34 of 38
 If the CE marking is reduced or enlarged, the proportions given in the above graduat-
ed drawing must be respected.
 The CE marking must have a height of at least 5mm except where this is not possible
on account of the nature of the apparatus
 The CE marking must be affixed visibly, legibly, and indelibly.
More detailed information about CE marking requirements you can find at "DIRECTIVE
1999/5/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL" on 9 March 1999
at section 12.
11.3. Approved antennas
The deRFarm7-25A00 has an integrated chip antenna. The design is fully compliant with all
regulations.
The deRFarm7-15A02 has been tested and approved for use with the antenna listed below.
The module may be integrated with other custom design antennas which OEM installer must
authorize with respective regulatory agencies. The used antenna was connected to the radio
module with a 15cm “U.FL-to-SMA pigtail”.
Table 10: Approved antenna(s) and accessory
Approved antenna(s) and accessory
Part
number
Description
Manufacturer
Gain
[dBi]
Min. Separation
[cm]
ANT-916-CW-
HWR-RPS
½ wave whip antenna
(915 MHz)
with RP-SMA-Connector
Antenna Factor
0
20
PSKN3-2400RS
½ wave whip antenna
(2450 MHz)
with RP-SMA-Connector
Mobile Mark
2.3
20
BN-032125
U.FL to RP-SMA pigtail,
15 cm
Hirose /
Profineon
-0,35