Linx HumPRC Series Data Manual page 52

Regulatory Considerations
Note: Linx RF modules are designed as component devices that require
external components to function. The purchaser understands that
additional approvals may be required prior to the sale or operation of
the device, and agrees to utilize the component in keeping with all laws
governing its use in the country of operation.
When working with RF, a clear distinction must be made between what
is technically possible and what is legally acceptable in the country where
operation is intended. Many manufacturers have avoided incorporating RF
into their products as a result of uncertainty and even fear of the approval
and certification process. Here at Linx, our desire is not only to expedite the
design process, but also to assist you in achieving a clear idea of what is
involved in obtaining the necessary approvals to legally market a completed
product.
The HUM-868-PRO module is an RF transceiver operating in the h1.3 band
(ERC 70-03) using AFA +LBT (Also known as Polite Spectrum Access). It
falls under Equipment Class I (EN 301 489-3 v1.6.1) and Receiver Category
2 (EN 300 220-1 v3.1.1)
It is important to note that the HUM-868-PRO is not declared as an
FHSS system. Rather, it is declared as an RF transceiver using Adaptive
Frequency Agility (AFA). The AFA system uses periodic channel adaptivity
with 70 available channels.
The HUM-868-PRO-CAS module has been tested and conforms to EN
300 220-1 V3.1.1, EN 300 220-2 v3.1.1, EN 301 489-1 V1.9.2, and EN
301 489-3 v1.6.1.
To maintain validity of the HUM-868-PRO-CAS module Declaration of
Conformity (DoC):
1. The module shall not be modified.
2. The system shall use an antenna of a similar type with a gain equal
to or less than the antenna that was used during the module testing.
Contact Linx Technologies for implementation guidelines.
3. The following module settings must not be changed from their default
values and must not be user adjustable:
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ENCSMA
Register 0x0B and 0x56
Value 0x02 (Polite Spectrum Access Enabled)
CRSSI
Register 0x3F
Value 0xA4 (Clear Channel Assessment threshold)
The HumPRC™ Series module has been tested and conforms to
requirements of the current Radio Equipment Directive (RED) standards.
The module's test report and Declaration of Conformity (DoC) are available
from Linx Technologies upon request. Linx Technologies Reference Guide
RG-00111 outlines the test setup and radio configurations that were used
in the testing and certification of this device.
Note: The integrator is solely responsible for ensuring that the final
product complies with CE / ETSI requirements. This includes all testing
and any application specific requirements.
Designs that incorporate the module as it was tested in RG-00111 may
utilize portions of our test data in their application. For those designs that
differ, please contact Linx Technologies for certification assistance and
advice.
The integrator must maintain a copy of the HUM-868-PRO module data
guide and ensure that the final product does not exceed the specified
power ratings, antenna specifications, firmware settings, and/or installation
requirements as specified in the data guide.
Depending on the end application, additional testing may be required. The
integrator is solely responsible for ensuring that the final product complies
with all regulatory requirements in the specific country where the end
device is marketed.
All Linx modules are designed with the approval process in mind and thus
much of the frustration that is typically experienced with a discrete design is
eliminated. Approval is still dependent on many factors, such as the choice
of antennas, correct use of the frequency selected and physical packaging.
While some extra cost and design effort are required to address these
issues, the additional usefulness and profitability added to a product by RF
makes the effort more than worthwhile.
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