Specifications

wireless modules
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For end product label, the final end product must be labeled in a visible area
with the following: “Contains Transmitter Module FCC ID: TK4WSD377 or
Contains FCC ID: TK4WSD377”
Note:
(1) This device is approved for OEM installation with specified antennas as
listed in this Manual. It is the responsibility of the Installer to comply with the
separation distance for satisfying RF exposure compliance.
(2) This device only could work when being installed into “client devices” which
could not transmit automatically.
Important Note: In the event that these conditions can not be met (for example
certain laptop configurations or co-location with another transmitter), then the
FCC authorization is no longer considered valid and the FCC ID can not be
used on the final product. In these circumstances, the OEM integrator will be
responsible for re-evaluating the end product (including the transmitter) and
obtaining a separate FCC authorization.
7
Antenna Type Frequency Band (MHz) TX Paths Antenna Gain (dBi)
Dipole Antenna
2400 ~ 2483.5 1*1 5.0
5150 ~ 5850 1*1 7.0
OEM installation must use the antenna that its antenna gain less than above table gain.