User's Manual

RD-M4
4-port UHF RFID Reading Module
23
3 Packaging and Storage
3.1 Packaging
In order to facilitate storage and transportation in the future, the
RD-M4 RF module is opened and the packaging box and materials are
properly preserved. In addition to the module, the package also includes
the accessories needed for the use of the product. Please confirm whether
the products and accessories are complete according to the product
packing list. If there are any discrepancies or damages, please contact the
after-sales department in time.
3.2 Storage requirements
RD-M4 RF module long-term storage should have the following
conditions
：
☆ ambient temperature：-40℃～+85℃
☆ relative humidity：5% RH～90%RH