RF Amplifier/Modulator Driver Sort by: SKU Product Price Default Product Part No. Vendor Availability Price 12 GHz Modulator Driver w/ Adjustable DC Bias MD-12-DC Optilab In Stock $1,650.00 20 GHz Modulator Driver with Adjustable DC Bias MD-20-M Optilab In Stock $2,095.00 50 GHz EA Modulator Driver/RF Amplifier MD-50E-M Optilab Please Call $6,450.00 9 GHz High Gain RF Amplifier-Module RFA-9-M Optilab In Stock $1,650.00