ARRL The National Association for Amateur Radio - The winner of the March 2016 QST Cover Plaque award is “A Modular 40 Meter CW Transceiver with VFO” by Dr Jack Purdum, W8TEE,
40 meters CW Transceiver under Transceiver Circuits -7227- : Next.gr
MFJ MFJ-9410X MFJ 9400 Series SSB Transceivers | DX Engineering
New Qrp Pixie Cw Diy Kit , A Simple 40 Meter Band Radio Transceiver, 7.023 Mhz - Protective Sleeve - AliExpress