I am using ADG904R, according the P-1 curve, the signal power declines with frequency decrease, i wonder whether 7dBm could pass under 10-50MHz.
For lower frequencies the power handling reduces but you should be ok up to 7dBm powers. If you need to pass greater than 7dBm then you should bias the signal up by 0.5V DC and then you can pass up to 16dBm RF. There are more details on page 3 in this app note about why the part is limited in power handling, its to do with the negative going part of the RF signal. I hope this helps
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