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Document And Entity Information	6 Months Ended
	Jun. 30, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	CERAGON NETWORKS LTD
Entity Central Index Key	0001119769
Document Type	6-K
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2018

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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