John,

Just to be certain, I checked the frequency range on my C. Crane transmitter manually. It appears that it goes from 88.3 to 107.7. It is probably the same range that your old one uses. However, I did some digging, and the higher power FM transmitter I had for a while is made by Signstek. There are a couple on Amazon. However, the low power setting on one of them is a half a watt. The one I bought was supposed to have a low power of 100 MW, but I think it was probably a half a watt besides. I had trouble running it close to anything. It came with a rubber duck style antenna which seemed pretty well matched for it, but it is possible that the trouble I had may have been remedied by a different antenna as somebody suggested earlier. The Signstek transmitter I had did have an connector for the antenna, but I do not think it was a BNC connecter. The antenna had a ring around the connector that had to be screwed down onto the transmitter's connector. It was similar to a 75-ohm cable connector but it was bigger. It was smaller than a 50-ohm connector, though.

The Signstek does go down to 76mhz. in fact, one can set the frequency range possibly even greater, although I would guess it becomes less efficient at the extremes. As I said, I was very happy with the performance of my Signstek but something happened to it after a year or so. Yet, I know of another person using that transmitter and his has lasted much longer and is still working.

In my younger days, I enjoyed experimenting with FM transmitters to see what kind of range I could get out of them. I look back and am thankful I didn't get caught. Nowadays, too much output makes me a little nervous. Placing the Signstek on the floor of my basement with its rubber duck connector still covered my block pretty well. I sometimes like putting NLS books through my transmitter and I didn't like the idea of my neighbors listening in. Therefore, I am happy with my C. Crane transmitter with extra wire added to the antenna.

Regarding the power adjustment on the C. Crane transmitter, I opened up the case to get to it. Opening the case is a little tricky because one has to lift up and move horizontally as well to be sure one does not lift up the cover with the knob of the volume control still extending through the slot in the case. It is possible that one can remove a label of some kind and avoid opening the case, but it isn't as obvious to me as it was on the older transmitters. As I said, both of mine already were set for maximum power.

I hope all of this is of some help.

Best regards,

Steve