... space: 4mil/4milSolder mask: RedSilkscreen: WhiteApplication: PCBA for the Internet of ThingsMin footprint: 0402Certificate: CE, Rosh, UL, ... space: 5mil/5milSolder mask: GreenSilkscreen: WhiteApplication: PCBA for the Internet of ThingsMin footprint: 0402Certificate: CE, Rosh, UL, ... , including components sourcing, function test, conformal coating and complete assembly for clients all over the world, ...