Some months ago I did the layout of a board with a GSM module SIM800L and below is shown the antenna circuit that was used. We assembled 200 PCBs with R22 = 0R jumper and C28 and C29 not populated and the GSM communication worked in all of them with good results.
Now I want to use a NB-IoT module SIM7020C, the hardware design PDF of it shows the reference circuit for the ANT pin / antenna, the difference for the previous circuit is that there is an extra resistor (R2).
Could I for the circuit above, in my circuit, do not place R1,R2,C1,C2? And place only the TVS diode and place the RF connector (I will use uFL/IPEX) very close to the ANT pin like 2mm far if I am going to always use antennas with 50 ohms of output impedance?
I did a search for "SIM7020C" on Aliexpress, found a board where they did not used the impedance matching circuit, I wanted to use this way, but I am asking about anyway...