<PAGE>
------------------------------
OMB APPROVAL
------------------------------
------------------------------
OMB Number:3235-0167
Expires: October 31, 2001
Estimated average burden
hours per response...1.50
------------------------------
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 15
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER
SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF
DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934
COMMISSION FILE NUMBER: 000-21409
CELLNET DATA SYSTEMS, INC.
(Exact name of registrant as specified in its charter)
125 SHOREWAY ROAD, SAN CARLOS, CALIFORNIA 94070 TELEPHONE:(650) 508-6000
--------------------------------------------------------------------------
(Address, including zip code, and telephone number,
including area code, of registrant's principal executive offices)
COMMON STOCK AND 14% SENIOR DISCOUNT NOTES DUE 2007
---------------------------------------------------
(Title of each class of securities covered by this Form)
NONE
----
(Title of all other classes of securities for which
a duty to file reports under section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:
Rule 12g-4(a)(1)(i) [X] Rule 12h-3(b)(1)(i) [ ]
Rule 12g-4(a)(1)(ii) [ ] Rule 12h-3(b)(1)(ii) [ ]
Rule 12g-4(a)(2)(i) [ ] Rule 12h-3(b)(2)(i) [ ]
Rule 12g-4(a)(2)(ii) [ ] Rule 12h-3(b)(2)(ii) [ ]
Rule 15d-6 [ ]
Approximate number of holders of record as of the certification or notice date:
Common Stock: 1,532 14% Senior Discount Notes: 128
Pursuant to the requirements of the Securities Exchange Act of 1934
CellNet Data Systems, Inc. has caused this certification/notice to be signed
on its behalf by the undersigned duly authorized person.
<PAGE>
Date: September 12, 2000 By: /s/ David L. Perry
-------------------------------
David L. Perry
Vice President and Secretary
Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the
General Rules and Regulations under the Securities Exchange Act of 1934. The
registrant shall file with the Commission three copies of Form 15, one of
which shall be manually signed. It may be signed by an officer of the
registrant, by counsel or by any other duly authorized person. The name and
title of the person signing the form shall be typed or printed under the
signature.