Attached files
file | filename |
---|---|
EX-99.1 - EX-99.1 - COMMUNICATIONS SYSTEMS INC | jcs-20210630xex99_1.htm |
EX-32 - EX-32 - COMMUNICATIONS SYSTEMS INC | jcs-20210630xex32.htm |
EX-31.2 - EX-31.2 - COMMUNICATIONS SYSTEMS INC | jcs-20210630xex31_2.htm |
EX-31.1 - EX-31.1 - COMMUNICATIONS SYSTEMS INC | jcs-20210630xex31_1.htm |
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