Please contact us for the best price and delivery time of Seneca Z-4RTD2 (COM on front 3.5 jack) 4-CH RTD input module / RS485 with front communication jack port. We will submit your offer to you as soon as possible. You can contact us within the Z-4RTD2 (COM on front 3.5 jack) coded product or any product belonging to the Seneca brand.