<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED BALANCE SHEET OF AIRSPAN AT OCTOBER 1, 2000 AND OCTOBER 3, 1999 AND
THE UNAUDITED CONSOLIDATED STATEMENT OF INCOME FOR NINE MONTH PERIOD ENDED
OCTOBER 1, 2000 AND FOR THE NINE MONTH PERIOD ENDED OCTOBER 3, 1999.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> OCT-01-2000 OCT-03-1999
<CASH> 128,506 20,559
<SECURITIES> 0 0
<RECEIVABLES> 14,847 4,694
<ALLOWANCES> 1,485 578
<INVENTORY> 6,075 5,398
<CURRENT-ASSETS> 154,682 36,709
<PP&E> 12,873 9,805
<DEPRECIATION> 5,952 3,254
<TOTAL-ASSETS> 163,266 45,681
<CURRENT-LIABILITIES> 17,751 8,056
<BONDS> 0 0
0 0
0 585
<COMMON> 51 34
<OTHER-SE> 128,776 15,332
<TOTAL-LIABILITY-AND-EQUITY> 163,266 45,681
<SALES> 21,324 6,904
<TOTAL-REVENUES> 21,324 6,904
<CGS> 13,545 4,207
<TOTAL-COSTS> 13,545 4,207
<OTHER-EXPENSES> 29,888 23,370
<LOSS-PROVISION> 355 0
<INTEREST-EXPENSE> 1,279 1,062
<INCOME-PRETAX> (20,019) (20,538)
<INCOME-TAX> 0 68
<INCOME-CONTINUING> (20,019) (20,606)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (20,019) (20,606)
<EPS-BASIC> (1.64) (25.09)
<EPS-DILUTED> (1.64) (25.09)
</TABLE>