Huawei ERS-B19 Quick Start Manual page 16

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Caution: Any changes or modifications to this device not expressly approved by
Huawei Technologies Co., Ltd. for compliance could void the user's authority to
operate the equipment.
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