Carmanah Signs reaches major milestone with Wireless Jackpot Signs in U.S. Carmanah Signs now has over 40,000 wireless jackpot signs at over 30,000 retailers, with more installations on the way. The signs are updated via lottery terminals using Carmanah’s Smart-Com transceiver which transmits jackpot value to signs wirelessly. These signs allow for accurate and reliable display of jackpot values increasing sales and visibility at the point of sale. Carmanah is the lottery industry’s trusted choice. With reliable, secure and field tested signs, lotteries and their service providers can count on fantastic technical support and installation assistance.