70/28 MHZ TRANSVERTER BOARD
55 USD SHIPPED ONLY !!
With this transverter board you can operate on the 4 meter band using any type of the HF radio that has the 10 meter band. It would work the whole 4m band at 70 to 72 MHz if your base radio has the 28 to 30 MHz band. It works any modes such SSB, CW or FM if its available in your radio.
Click on this pic to get it large
Applying only 1 to 50 mW (0.05 W Max.) to this transverter on 10m band you get about 10 W output power on the 4m band. You can change input power using RV1 pot on the board. There is no antenna relay required.
We are offering completely built and tested in our lab board. To get it worked with your radio perfectly you have to do some soldering works with the cables, wires and connectors.
In case you're going to connect this transverter to the radio that has 100 Watts output power then additionally you have to build or buy the attenuator or some sort of interface board between your radio and this transverter board.
We are including a circuit of a simple attenuator board which contains a few resistors and relays only. It can be easily built by any person with a basic knowledge in electronics. Also there you find a circuit of a possible connection of this transverter board to your HF radio.
OR YOU CAN BUY THE ASSEMBLED AND TESTED ATTENUATOR / TRANSVERTER INTERFACE BOARD THERE
Download a copy of the description I am including with the board there
The circuit of the simple attenuator board is there
I am testing the transveter boards before putting them in a shipping box.
If you were not satisfied with the transverter then you ship it back and I refund your money.
We take PayPal and you can pay pushing "Buy Now" button.
Click button below and buy the TRANSVERTER BOARD for 45 USD + 10 USD shipping
OR YOU CAN GET TOGETHER
TRANSVERTER BOARD + ATTENUATOR BOARD for 55 USD + 10 USD shipping
70/28 MHz TRANSVERTER BOARD - $55
70/28 MHz TRANSVERTER BOARD
ATTENUATOR BOARD - $65