Please contact us for the best price and delivery time of Seneca MyALARM2 CEI (HW rev. B0) GSM unit for SPI compliant to CEI 0-16 annex M. We will submit your offer to you as soon as possible. You can contact us within the MyALARM2 CEI (HW rev. B0) coded product or any product belonging to the Seneca brand.