a.The Company entered into a number of agreements for the purchase of infrastructure, construction and services from C. Mer Industries Ltd. ("C. Mer"), a publicly traded company in Israel (TASE). The Company's controlling shareholder, FIMI Opportunity Funds ("FIMI"), holds approximately 36.6% of C. Mer's share capital.

b.In December 2015 the Company entered into a memorandum of understanding with Orbit Communication Systems, ("Orbit"), a publicly traded company in Israel (TASE), for development and manufacture of antenna for an aggregate amount of approximately $1,750. The memorandum specifies prices per additional product units ordered in the future by the Company. In August 2017, FIMI acquired approximately 33.4% of Orbit's share capital and representatives of FIMI serve on Orbit's board of directors. As of December 31, 2020, FIMI holds approximately 41.7% of Orbit share capital.

	Year ended December 31,
	2020		2019		2018

Cost of revenues of products	$	113	$	2,048	$	764

Research and development	$	-	$	-	$	346

Purchase of property and equipment and inventory	$	100	$	-	$	101

	December 31,
	2020		2019

Advance payments	$	-	$	344

Deferred charges	$	8	$	-

Trade payables	$	899	$	109

Accrued expenses	$	-	$	1,761