Hardware Documentation efus™A9X+ efus™A9Xr2
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P/N: AH104N2450D1
Peak gain: 2.1 dBi (2.4GHz), 2.4 dBi (5GHz)
RF exposure considerations
Consistent with §2.909(a), the following text must be included within the user’s manual or
operator instruction guide for the final commercial product:
This modular complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
This device is only authorized for use in a mobile application. At least 20 cm of
separation distance between the module and the user's body must be maintained at
all times.
Additional testing, Part 15 Subpart B disclaimer
The final host / module combination may also need to be evaluated against the FCC Part 15B
criteria for unintentional radiators in order to be properly authorized for operation as a Part 15
digital device. The FCC Part 15 Statement shall be included in the user manual of final
commercial product if applicable.
Caution Statement for Modifications
Following text must be included within the user’s manual or operator instruction guide for the
final commercial product:
CAUTION: Any changes or modifications not expressly approved could void the user’s
authority to operate the equipment.
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RTC
There is a NXP PCF8563TS or compatible implemented on board. The accuracy is limited
because the warming of the crystal on the board in operation. The RTC could drift some
seconds per day. For better accuracy F&S does support a mounting option with XTCO. Please
ask your sales contact for pricing and minimal order quantity, if you have enhanced
requirements.
Optional a temperature compensated XTCO is available. Please contact your sales contact for
minimum order quantity, price and technical specification.
