User's Manual

User Manual
Version 01.00
2010-01-25
deRFmega128-22A001 and deRFmega128-22A021
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden
Tel.: 0351 31 85 00
Fax: 0351 3 18 50 10
wireless@dresden-elektronik.de
www.dresden-elektronik.de
Page 20 of 20
11.3. Approved antennas
The deRFmega128-22A001 has an integrated chip antenna. The design is fully compliant
with all regulations.
The deRFmega128-22A021 has been tested and approved for use with the antenna listed
below. The module may be integrated with other custom design antennas which OEM in-
staller must authorize with respective regulatory agencies. The used antenna was connected
to the radio module with a 10cm U.FL-to-SMA-Reverse pigtail.
Table 8: Approved antenna(s) and accessory
Approved antenna(s) and accessory
Part
number
Description Manufacturer Gain
[dBi]
Min. Separation
[cm]
23768 Dual-band antenna (2.45GHz and
5.8GHz) with Reverse-SMA-
Connector, ¼ wave
Antenna Factor +4,7 20
23769 U.FL-to-SMA-Reverse pigtail,
10 cm
Hirose /
Profineon
-0,37