<SEC-DOCUMENT>0001213900-21-006668-index.html : 20210204
<SEC-HEADER>0001213900-21-006668.hdr.sgml : 20210204
<ACCEPTANCE-DATETIME>20210204083120
ACCESSION NUMBER:		0001213900-21-006668
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20210204
DATE AS OF CHANGE:		20210204

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLONDER TONGUE LABORATORIES INC
		CENTRAL INDEX KEY:			0001000683
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				521611421
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-252718
		FILM NUMBER:		21588956

	BUSINESS ADDRESS:	
		STREET 1:		ONE JAKE BROWN RD
		STREET 2:		PO BOX 1000
		CITY:			OLD BRIDGE
		STATE:			NJ
		ZIP:			08857
		BUSINESS PHONE:		9086794000

	MAIL ADDRESS:	
		STREET 1:		ONE JAKE BROWN ROAD
		CITY:			OLD BRIDGE
		STATE:			NJ
		ZIP:			08857
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>ea134534-s3_blondertongue.htm
<DESCRIPTION>REGISTRATION STATEMENT
<TEXT>
Document 1 - file: ea134534-s3_blondertongue.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>ea134534ex5-1_blonder.htm
<DESCRIPTION>OPINION OF STRADLEY RONON STEVENS & YOUNG, LLP
<TEXT>
Document 2 - file: ea134534ex5-1_blonder.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ea134534ex23-1_blonder.htm
<DESCRIPTION>CONSENT OF MARCUM LLP
<TEXT>
Document 3 - file: ea134534ex23-1_blonder.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ex5-1_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: ex5-1_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ex5-1_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: ex5-1_002.jpg

</DOCUMENT>
</SEC-DOCUMENT>