Measurement results show that EFR32 MG1 complies with EN300 328 category1 blocking requirements with good margin in 802.15.4 OQPSK DSSS mode (ZigBee PHY).


The blocking test has been performed as per chapter




RFIC:                    EFR32 MG1

Board:                  PCB4252A 2.4 GHz


DUT Configuration:


SDK:                     Flex

RAIL:                    RAIL

App:                      RAILTest 1.4.2


RAILtest Commands:



rx 0



This command set configures the part to the 802.15.4 OQPSK DSSS  ZigBee PHY. 

Payload length is 16 bytes.


Signal generators:


ZigBee packet:                  Agilent E4432B

Blocker:                              HP 8665B


Measurement results


Conducted PER curve



1% PER Sensitivity:                         -97.5 dBm

10% PER Sensitivity:                       -98.5 dBm



Conducted Blocking at various channels


Desired signal power level is set to (10% PER sensitivity  + 6 dB) = -92.5 dBm.


f_Channel11:                    2405 MHz

f_Channel18:                    2440 MHz

f_Channel26:                    2480 MHz





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