EXHIBIT 4.2 COMMON STOCK COMMON STOCK NUMBER SHARES [LOGO OF SBA APPEARS HERE] SEE REVERSE SIDE FOR SBA COMMUNICATIONS CORPORATION CUSIP 78388J 10 6 CERTAIN DESTINATIONS INCORPORATED UNDER THE LAWS OF THE STATE OF FLORIDA This Certifies that is the owner of FULLY PAID AND NON-ASSESSABLE SHARES OF CLASS A COMMON STOCK PAR VALUE $.01 PER SHARE OF SBA COMMUNICATIONS CORPORATION transferable only on the books of the Corporation by the holder hereof in person or by duly authorized Attorney upon surrender of this Certificate properly endorsed. In Witness Whereof, the said Corporation has caused this certificate to be signed by its duly authorized officers and to be sealed with the Seal of the Corporation. Date /s/ Robert M. Grosstein /s/ Steven E. Bernstein ROBERT M. GROSSTEIN STEVEN E. BERNSTEIN SECRETARY CHAIRMAN OF THE BOARD [SEAL OF SBA COMMUNICATIONS CORPORATIONS APPEARS HERE] COUNTERSIGNED AND REGISTERED: FIRST CHICAGO TRUST COMPANY OF NEW YORK TRANSFER AGENT AND REGISTRAR BY: Authorized Signature EXHIBIT 4.2 The Corporation will furnish to the holder of this certificate upon request and without charge a full statement describing the Corporation's authority to issue different classes of shares of stock and different series within a class, the designations, relative rights, preferences, and limitations applicable to each class and limitations determined for each series, and the authority of the Board of Directors to determine variations for future series. The following abbreviations, when used in the description on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations. Additional abbreviations may also be used though not in the list. TEN COM. as tenants in common UNIT GIFT MIN ACT. _____________ Custodian ___________________ (Cust) (Minor) TEN ENT. as tenants by the entireties under Uniform Gifts to Minor JT TEN. as joint tenants with act ___________________________________ right of ownership and (Cust) not as tenants in common UNIT TRF MIN ACT. ________________ Custodian (Until age ______) (Cust) _____________________ under Uniform Transfers (Minor) to Minor Act ________________________________ (State) For votes received, the undersigned hereby sells, assigns and transfers unto ___________________________________________________ PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE _______________________________________ ________________________________________________________________________________ ________________________________________________________________________________ PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ _________________________________________________________________________ Shares represented by the within Certificate, and hereby irrevocably constitutes and appoints ______________________________________________________________________. Attorney to transfer the said shares on the books of the within-named Corporation with full power of substitution in the premises. Dated _____________________________ X _________________________________ In presence of X _________________________________ NOTICE: The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular without alteration or enlargement, or any change whatever.