Xiamen Puxing Electronics Science & Technology Co. Ltd. PXDZ800U002 Manuel D’Utilisation

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If you are not using a body-worn accessory and are not using the radio in the intended 
use position in front of the face, then ensure the antenna and the radio are kept at least 
2.5 cm (one inch) from the body when transmitting. Keeping the radio at the proper 
distance is important because RF exposures decrease with increasing distance from 
the antenna.   
Use only Xiamen Puxing Electronics Science&Technology Co., Ltd approved 
supplied or replacement antennas, batteries, and accessories.    Use of 
non-manufacturer-nameapproved antennas, batteries, and accessories may exceed the 
FCC RF exposure guidelines.