<ARTICLE>                                                       5
<CIK>                                                  0000022701
<NAME>                       COMMUNICATIONS SYSTEMS, INC.
<MULTIPLIER>                                                    1
<CURRENCY>                                           U.S. DOLLARS

                                                   
<PERIOD-TYPE>                                               6-MOS
<FISCAL-YEAR-END>                                     DEC-31-1999
<PERIOD-START>                                        JAN-01-1999
<PERIOD-END>                                          JUN-30-1999
<EXCHANGE-RATE>                                                 1
<CASH>                                                 13,598,920
<SECURITIES>                                                    0
<RECEIVABLES>                                          21,451,992
<ALLOWANCES>                                            1,254,802
<INVENTORY>                                            17,901,924
<CURRENT-ASSETS>                                       53,879,083
<PP&E>                                                 31,578,765
<DEPRECIATION>                                         20,592,522
<TOTAL-ASSETS>                                         87,683,791
<CURRENT-LIABILITIES>                                  23,756,275
<BONDS>                                                         0
<PREFERRED-MANDATORY>                                           0
<PREFERRED>                                                     0
<COMMON>                                                  430,655
<OTHER-SE>                                             63,496,861
<TOTAL-LIABILITY-AND-EQUITY>                           87,683,791
<SALES>                                                56,404,236
<TOTAL-REVENUES>                                       56,404,236
<CGS>                                                  37,467,395
<TOTAL-COSTS>                                          37,467,395
<OTHER-EXPENSES>                                       13,597,274
<LOSS-PROVISION>                                                0
<INTEREST-EXPENSE>                                        321,178
<INCOME-PRETAX>                                         5,440,149
<INCOME-TAX>                                            1,220,000
<INCOME-CONTINUING>                                     4,220,149
<DISCONTINUED>                                                  0
<EXTRAORDINARY>                                                 0
<CHANGES>                                                       0
<NET-INCOME>                                            4,220,149
<EPS-BASIC>                                                0.48
<EPS-DILUTED>                                                0.48