Product Info
Shanghai Simcom Ltd.
Unit:mm
Figure 3: U.FL-R-SMT
Unit:mm
Consideration for antenna selection
SIM900B module is to be used in mobile or fixed applications only. For other antenna(s) selection,
the antenna gain including cable loss must not exceed 7.3 dBi in the 850 MHz Cellular band and
9.0 dBi in the PCS 1900 MHz band, for the purpose of satisfying the requirements of FCC 2.1043
and 2.1091.
Consideration for antenna installation
The antenna used for this module must be installed to provide a separation distance of at least 20
cm from all persons, and must not be co-located or operating in conjunction with other antennas or
transmitters within a host device, except in accordance with FCC multi-transmitter product