Test Report #: SHE-1402-11114-RF-#1
Prepared for Grandstream Networks, INC
Prepared by ECMG Electronic Technical Testing Corp (Shenzhen). Page 23 of 36
ATTACHMENT 3 –HOPPING CHANNEL
Grandstream Networks,
INC
EN 300 328 clause
4.3.4.2
As annex C1 of standard EN 300 328
1. Connect EUT antenna terminal to the spectrum analyzer with a low loss
cable.
Equipment mode: spectrum analyzer.
detector function: Peak.
RBW=10KHz,VBW=30KHz.
2. By using the Max-Hold function record the separation of two adjacent
channels.
3. Measure the frequency difference of these two adjacent channels by
spectrum analyzer Marker function.
4. Repeat above procedures until all frequencies measured were complete.
Keep EUT on transmitting mode by the software provided by manufacturer.
CHANGES OR
MODIFICATIONS:
There were no modifications installed by ECMG Electronic Technical Testing Corp
(Shenzhen) test personnel.
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