Frequency range: 135 to 16 metres (2.2 to 18.75 MHz)
Modes:  CW,  MCW and phone.
Power output:  250 watts to the aerial, 
Frequency control : Assumed to be crystal.

Additional information on the TN7 can be found in this docuement.
 

TN7 transmitter. Download image to enlarge.

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Credits and Contributors:

Mar 6/18