<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED BALANCE SHEET OF AIRSPAN AT JULY 2, 2000 AND JULY 3, 1999 AND THE
UNAUDITED CONSOLIDATED STATEMENT OF INCOME FOR THE SIX MONTH PERIOD ENDED
JULY 2, 2000 AND FOR THE SIX MONTH PERIOD ENDED JULY 3, 1999
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999
<PERIOD-END>                               JUL-02-2000             JUL-03-1999
<CASH>                                          48,804                  27,568
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   10,643                   3,212
<ALLOWANCES>                                     1,411                     578
<INVENTORY>                                      6,493                   5,292
<CURRENT-ASSETS>                                71,494                  41,558
<PP&E>                                          11,846                   9,235
<DEPRECIATION>                                   5,157                   2,915
<TOTAL-ASSETS>                                  79,604                  50,920
<CURRENT-LIABILITIES>                           12,923                   6,401
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                        807                     585
<COMMON>                                            41                      31
<OTHER-SE>                                      47,788                  22,388
<TOTAL-LIABILITY-AND-EQUITY>                    79,604                  50,919
<SALES>                                         12,523                   3,395
<TOTAL-REVENUES>                                12,523                   3,395
<CGS>                                            7,999                   1,998
<TOTAL-COSTS>                                    7,999                   1,998
<OTHER-EXPENSES>                                19,595                  15,003
<LOSS-PROVISION>                                   160                       0
<INTEREST-EXPENSE>                                 872                     685
<INCOME-PRETAX>                               (14,082)                (13,428)
<INCOME-TAX>                                        16                      40
<INCOME-CONTINUING>                           (14,098)                (13,468)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                  (14,098)                (13,468)
<EPS-BASIC>                                    (12.70)                 (17.83)
<EPS-DILUTED>                                  (12.70)                 (17.83)


</TABLE>