This is a 40 meter (7.0 MHz) all mode receiver kit made by Ramsey Electronics, model number HR40. It is small in size but big in features. It can easily tune SSB, CW, RTTY and AM. It can smoothly tune any desired 250 kHz segment of the 40 meter band and can be easily retuned. It uses the popular Signetics NE-602 IC chip for outstanding sensitivity and efficient operation. It has front panel RF Gain, Tuning and Volume controls. An efficient LM-386 Audio amplifier drives speaker or earphones with a clean, crisp audio. The informative manual answers questions on receivers, hookups and uses, and also enhances resale value. It is the ideal companion to the Ramsey QRP-40 CW Transmitter. It can run on a standard 9-volt battery. Clear, concise assembly instructions lead you to a finished product that works the first time!