CLM920_NC3_LTE Module hardware manual
Shanghai Yuge Information Technology co., LTD
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Figure 3- 29 The complete structure of the two-layer PCB microstrip line
Figure 3-30 The complete structure of the multilayer PCB strip line
Figure 3-31 Reference ground is the third layer PCB microstrip transmission line structure
3.17.5 RF connector size
If the RF connector is used, the antenna connector must use a coaxial connector with a 50
ohm characteristic impedance.
Hirose's UF.L-R-SMT connector is recommended.