User's Manual

GSM/GPRS/GNSS Module Series
MC60 Hardware Design
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4 Antenna Interface
MC60 has two antenna interfaces: GSM antenna and GNSS antenna. The Pin 41 is the GSM antenna
pad. The Pin 15 is the GNSS antenna pad. The RF interface of the two antenna pads has an impedance
of 50Ω.
4.1. GSM Antenna Interface
There is a GSM antenna pad named RF_ANT for MC60.
Table 24: Pin Definition of the RF_ANT
4.1.1. Reference Design
The external antenna must be matched properly to achieve the best performance; so the matching circuit
is necessary. A reference design for GSM antenna is shown below.
Figure 42: Reference Design for GSM Antenna
Pin Name Pin No. Description
GND 40 Ground
RF_ANT 41 GSM antenna pad
GND 42 Ground