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Last Update: September 28, 2017
September 22, 2017 838 General FAQ
Related Knowledge Base Posts -
- [General] “I have a question regarding the coexistence of your 900MHzISM radios such as RC1081 with GSM. A GSM transmitter emits 33 dBm but your maximum allowed input power is 10 dBm. Does this translate into the rather demanding requirement of minimum 23dB antenna isolation? What is the effect of having above 10dBm fed into transceiver, will the receiver only be temporarily saturated or is there a risk of permanent damage. What is the maximum allowed level to avoid permanent damage. A second question regarding interferers. As I read your datasheet a blocking interferer can be allowed to be -106dBm+3(level above sensitivity limit)+75(stated typ interferer rejection)=-28dBm. Am I interpretating your figures correctly? “
- [General] “How do You recommend to locate RC1180 and antenna on the PCB ? – How antenna should come out from the metallic box – should I t be totally out of the box or can it be only partly ? – What material You recommend as a metallic box ? – Does RC1180 module need a separate metallic RF protection cover around . if yes what kind of structure / material You recommend ?”
- [GEN] The signals should be injected into the SMA connector directly with a cable without using the antenna. So I would like to kindly ask if there is an upper limit to the maximum input power at the SMA connector which shouldn’t be exceeded in order to avoid possible damages to the receiving circuits?