5G Communication RF PCBA on Rogers 4350B This 8-layer RF PCBA is engineered for 5G base station, small cell and microwave backhaul hardware. Rogers 4350B laminates keep insertion loss low across the 3.5GHz and 28GHz bands, while controlled impedance routing holds signal integrity from the radio front end to the antenna port. Build specification Item Capability Layer count 8 layers, up to 32 layers Base material Rogers 4350B, high TG FR4, mixed stack-up Impedance control +/- 5