For sale is one (1 pcs) vintage, NOS (New Old Stock) MORSE CODE KEYER - PRACTICE OSCILLATOR WITH KEY, extremely hi quality product from late 70s, early 80s with earphone and line cable for Morse telegraph network

• Frequency 300-2500Hz (adjustable)
• Output power 25mW at 800Hz
• Built-in loudspeaker
• Earphone 3.5mm jack for headphones
• Small ear headphone included
• Dimensions: 130x70x55mm
• Weight: 380gr
• Two or more of these keys could be connected in network through line connections (cable included)
• It runs on 2 AA 1.5V bateries
• Non-skid heavy  base -- it stays put on table and doesn't move around while you're sending!
• When the volume button is in off position, you can connect it to any transmitter and use it for QSO
• Spring force (Arm tension): 0-600gr adjustable
• Contact spacing 0-1mm adjustable (1-9 on scale, where 1 is 0.1mm and 9 is 0.9mm)

If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.

I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store for more rare NOS tubes and parts.

I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.