UHF Preamplifiers Ham Home
Here are some UHF Preamps that I made

This one is using a NE33284a device. (approx 18db gain)
This one is using a NE34018 device. (approx 15db gain)
This one is using a MGF1302 device. (approx 18db gain)
This a remote switched preamp. (the relay is underneath)