Operating Band
Height
Area
GSM/DCS
> 6mm
> 15mm x 40mm
GSM/DCS/PCS
> 6.5mm
> 17mm x 40mm
GSM850/GSM900/DCS1800/PC
S1900
> 8mm
> 20mm x 45mm
For details about WCDMA/LTE/TD-SCDMA/NR5G antenna design,
refer to the area requirement of GSM antenna.
Monopole antenna
•
Antenna structure
There is one feeding point between the antenna and main board, which is module
output. It is recommended to design the antenna on the top of the device. The
following figure shows the monopole antenna design.
≥9.0mm
≥5.0mm
Antenna
PCB motherboard
Figure 28. Antenna location
•
Main board
There should be no paving or PCB in the antenna projection area. Do not place any
component in the antenna area. The recommended length of PCB board should be
80 mm to 100 mm. The antenna performance is improved if the board length is
95mm.
6. Radio Frequency
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