Regulatory information United States (FCC)
Digi XBee3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
248
FCC-approved antennas
The XBee3 RF Module can be installed using antennas and cables constructed with non-standard
connectors (RPSMA, RPTNC, and so forth) An adapter cable may be necessary to attach the XBee
connector to the antenna connector.
The modules are FCC approved for fixed base station and mobile applications for the channels
indicated in the tables below. If the antenna is mounted at least 20 cm from nearby persons, the
application is considered a mobile application.
The antennas below have been approved for use with this module. Digi does not carry all of these
antenna variants. Contact Digi Sales for available antennas.
Bluetooth antennas
The following antennas are approved for use with the Bluetooth radio.
Part number Type (description) Gain Application
31000020-02 Integral antenna -2.5 dBi Fixed/Mobile
29000095 Dipole (Half-wave articulated RPSMA - 4.5”) 2.1 dBi Fixed/Mobile
A24-HASM-450 Dipole (Half-wave articulated RPSMA-4.5") 2.1 dBi Fixed/Mobile
A24-HABSM Dipole (Articulated RPSMA) 2.1 dBi Fixed
A24-HABUF-P5I Dipole (Half-wave bulkhead mount U.FL w/ 5" pigtail) 2.1 dBi Fixed
A24-HASM-525 Dipole (Half-wave articulated RPSMA-5.25") 2.1 dBi Fixed/Mobile
29000812 Flexible PCB, U.FL w/ 200mm pigtail 4.4 dBi Fixed/Mobile
FXP74.07.0100A Flexible PCB, U.FL w/ 100mm pigtail 4.0 dBi Fixed/Mobile
Cellular antennas
The gain of the system antenna (i.e. the combined transmission line, connector, cable losses and
radiating element gain) must not exceed the values below for mobile and fixed or mobile operating
configurations:
n 3.67 dBi in 700 MHz, i.e. LTE FDD-12 band
n 4.10 dBi in 850 MHz, i.e. LTE FDD-5 band
n 6.74 dBi in 1700 MHz, i.e. LTE FDD-4 band
n 7.12 dBi in 1900 MHz, i.e. LTE FDD-2 band
RF exposure
If you are an integrating the XBee3 RF Module into another product, you must include the following
Caution statement in OEMproduct manuals to alert users of FCC RF exposure compliance:
CAUTION!
To satisfy FCC RF exposure requirements for mobile transmitting devices, a
separation distance of 20 cm or more should be maintained between the antenna of this
device and persons during device operation. To ensure compliance, operations at closer
than this distance are not recommended. The antenna used for this transmitter must not
be co-located in conjunction with any other antenna or transmitter.
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