Thanks Byron,The boards arrived, we've tested them with lower signal loss,that's exactly what I want. there will be another Rogers boards coming very soon.
the aluminum pcb is so wonderful , i love it so much . delivery in advance , match with CE standard , perfect service ( cause whenever i call the customer server , she's alway there . i have to say the goods words to her . ) also perfect case . anyway , this would be my wonderful manufacturer ever , would be in touch when i have other project . thanks a lot . - Limia .