KR 20-015 KR 20-7 KR 20 RF connection cable for connecting an SI 30 modulator to an SZI 30 radiator or daisy-chaining two SZI 20. Article No. 003536 Article No. 003535 Choose product variant ---Please choose---KR 20-015 KR 20-7 Find a dealer Find a dealer Find a dealer Write a review Overview RF connection cable for connecting an SI 30 modulator to an SZI 30 radiator or daisy-chaining two SZI 20. Accessories Accessories for KR 20-015 (3536) Accessories for KR 20-7 (3535)