 Synaptics Inc. on Tuesday said it has agreed to pay 250 million for the wireless IoT business of Broadcom Inc. . Under terms of the all-cash transaction, Synaptics will pick up certain rights to Broadcoms Wi-Fi, Bluetooth, and GPSGNSS products and business in the IoT market. Synaptics expects the transaction to add about 65 million in annual sales. Shares of Synaptics are up 2 in after-hours trading. Broadcoms stock is flat. 