Opal Manufacturing has sold 10�s of thousands of card vending units over the past 18 years, it was a perfect application to add SIM card vending to the ePIN and or real tim TOP_UP Kiosks. The unique and proprietary dispenser utilizes gravity to deliver the cards and has no wearing parts�like belts or rollers. The patented and proven Opal dispensers flawlessly dispenses your SIM cards, creating an easy and seamless way to attract and sign up new prepaid clients. This an inexpensive way to distribute SIMs and increment your Prepaid Client base TODAY. Opal Manufacturing has reliable customer service and ability to integrate the equipment into any existing platform and/or billing system.