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EXHIBIT 21
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SUBSIDIARIES OF ALLEN TELECOM INC.
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The following is a list of the subsidiaries of Allen Telecom Inc. (Delaware,
02-03-69), and indented, subsidiaries of such subsidiaries, including in each
case the state or other jurisdiction in which each subsidiary was incorporated
or organized, and indicating in each case the percentage of voting securities
owned by the immediate parent.

STATE/COUNTRY OF
NAME OF CORPORATION INCORPORATION DATE %
- ------------------- ------------- ---- -

The Allen Group Canada Limited Ontario, Canada 04-19-72 100
The Allen Group Internat'l Sales Corp. Barbados 09-15-94 100
The Allen Group International, Inc. Delaware 07-19-73 100
Allen Telecom Holdings G.m.b.H. Germany 100
(Herkules Vierte Verwaltungs G.m.b.H.)
Allen Telecom GmbH Germany 07-28-90 100
Allen Telecom Canada, Inc. Ontario 04-14-93 100
Allen Telecom Civil Law Partnership GbR(2) Germany 10-01-98 100
Allen Telecom (France) S.A. (3) France 04-09-97 100
Telia S.A. (4) France 10-19-90 72
Allen Telecom Group Limited (1) U.K. 05-08-72 100
Allen Telecom (Holdings) Pty Limited Australia 07-18-96 100
Allen Telecom (Australia) Pty Limited Australia 07-23-96 100
Allen Telecom (Hong Kong) Limited (5) Hong Kong 04-25-97 100
Allen Telecom Investments, Inc. Delaware 04-01-97 100
Allen Telecom (Mauritius) Holdings Ltd. Mauritius 11-25-97 100
Decibel Products (Guangzhou) Ltd. China 01-19-98 100
Allen Telecom (Singapore) Pte Limited Singapore 06-03-97 100
Allen Telecomunicacoes do Brasil Ltda (6) Brazil 11-95 100
Antenna Specialists Co., Inc. Delaware 10-07-88 100
Antespec, S.A. de C.V. Mexico 11-14-88 100
ATI International, Inc. Delaware 12-10-97 100
Allen International (Netherlands) BV Netherlands 06-19-98 100
Allen Telecom (Netherlands) BV Netherlands 07-21-98 100
Mikom Schweiz AG (7) Switzerland 04-20-99 100
Allen Telecom Italia Europe S.r.l. Italy 10-10-97 100
FOREM S.r.l. Italy 11-14-94 100
FOREM France E.u.r.l. France 1993 100
FOREM (UK) Limited U.K. 1988 100
Mikom G.m.b.H. (8) Germany 05-07-85 100
Mikom Vertriebs und Service Austria 10-18-96 100
GmbH (9)
Mikom Slovakia, s.r.o. (10) Slovakia 05-30-97 60
Mitras Ltd. (1) Hungary 1992 100
C-com, spol. s.r.o. Czech Republic 02-26-96 80

Tekmar Sistemi S.r.l. Italy 09-20-80 100
Comsearch Holdings Inc. Delaware 08-22-97 100
Comsearch UK Limited U.K. 03-06-98 100
Telespectro de Mexico, S.A. de C.V. (11) Mexico 11-97 100
Decibel Mobilcom Limited (1) England 01-31-91 100
Orion Far East Management Inc. (1) Delaware 07-16-81 100
Orion Industries, Inc., Limited (1) Hong Kong 06-01-71 100
Orion Imports & Exports Limited (1) Hong Kong 09-07-73 100
Orion Industries, Inc. Japan (1) Japan 09-73 100
Orion Industries Taiwan Limited (1) Taiwan 10-73 100
Allen SSI, Inc. (12) California 09-25-74 100

(1) These subsidiaries are not significant in the aggregate and are no
longer active.

(2) 90% of this partnership is owned by Allen Telecom Inc. and the
remaining 10% is owned by Allen Telecom investments, Inc.

(3) Of the 2,500 shares issued and outstanding, 2,494 shares are owned by
Allen Telecom Inc. and the remaining 6 shares are owned in name only by
Allen employees.

(4) Of the 10,000 shares issued and outstanding, 7,196 shares are owned by
Allen Telecom (France) S.A., 4 shares are owned by Allen employees, and
Allen Telecom (France) SA. owns options to acquire the remaining 2,800
shares.

(5) Of the 1,000 shares issued and outstanding, 999 shares are owned by
Allen Telecom Inc. and 1 share is owned by Allen Telecom Investments,
Inc.

(6) 95% of the outstanding capital stock of this subsidiary is owned by
Allen Telecom Inc. and the remaining 5% is owned by Allen Telecom
Investments, Inc.

(7) Option to purchase 100% of the shares of Mikom Schweiz AG entered on
October 21, 1999, letter of credit for purchase price placed in an
irrevocable escrow. Final transfer took place on March 8, 2000.

(8) 62% of the outstanding capital stock of this subsidiary is owned by
FOREM S.r.l., 12% is owned by Allen Telecom G.m.b.H., and the remaining
26% is owned by Herkules Vierte Verwaltungs G.m.b.H.

(9) 60% of the outstanding capital stock is owned by Mikom G.m.b.H. and the
remaining 40% is owned by Herkules Vierte Verwaltungs G.m.b.H.

(10) 60% of the outstanding capital stock is owned by Mikom Vertreibs und
Service G.m.b.H. and the remaining 40% is owned by the partners of
Mikom Vertreibs und Service G.m.b.H. in the venture.

(11) 98% of the outstanding capital stock of this subsidiary is owned by
Comsearch Holdings, Inc. and the remaining 2% is owned by Allen Telecom
Investments, Inc.

(12) Allen SSI, Inc. (fka Signal Science, Incorporated) sold substantially
all its assets to Condor Systems Inc. on October 15, 1999.

March 16, 2000