User's Guide

Regulatory information Europe (CE)
XBee/XBee-PRO S2C 802.15.4 RF Module User Guide
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The CE mark shall consist of the initials “CE” taking the following form:
n If the CE marking is reduced or enlarged, the proportions given in the above graduated
drawing must be respected.
n The CE marking must have a height of at least 5 mm except where this is not possible on
account of the nature of the apparatus.
n The CE marking must be affixed visibly, legibly, and indelibly.
Digi customers assume full responsibility for learning and meeting the required guidelines for each
country in their distribution market. Refer to the radio regulatory agency in the desired countries of
operation for more information.
Listen Before Talk requirement
The XBee/XBee-PRO S2C 802.15.4 RF Module must be configured to comply with the Listen Before
Talk (LBT) requirements in the EN 300 328 standard. This can be accomplished by one of the following
options:
1. Set the PL command to 3 (6 dBm) or lower, which ensures that the maximum transmitter
power is under the limit at which LBT is required.
or
2. Set the CA command as described in CA (CCA Threshold) to enable LBT at the required noise
threshold level.
Declarations of conformity
Digi has issued Declarations of Conformity for the XBee RF Modules concerning emissions, EMC, and
safety. For more information, see www.digi.com/resources/certifications.
Antennas
The following antennas have been tested and approved for use with the XBee/XBee-PRO S2C 802.15.4
RF Module: