I wonder if anyone has had a chance to look at the new MMRF1006H part from Freescale. It appears tailored for 10-500 MHz, with 24 dB gain at the low frequencies, 50 VDC, 1 kW CW. Might be costly though. Its a fine thing to finally see a silicon part that can match or beat a single 3-500Z. 73 K5PRO