Spectra Technologies, a Hong Kong-based payment terminal manufacturer, has launched a low-cost Android-based model called the Tap-POS. The device, which uses phone-type hardware, is primarily intended for contactless payments. It ships without magstripe or contactless chip readers. The Tap-POS has a 5.45-inch IPS capacitive touchscreen and uses a MediaTek quad-core processor. The device is equipped with 1GB RAM and 16GB of onboard flash memory. It has two cameras: a ​​2-megapixel rear-facing unit with a light and a 0.3 MP front-facing optic. Wireless connection options include 4G LTE, 3...