This is a very small volume of simple 40 meters micro-power continuous cable transceiver， use the 9 v battery or external 7-12 v dc power supply.

Features:
Very small volume of simple 40 meter band micro-power amplitude telegraph transceiver uses a 9V square battery.
Good reception， highly readable code.
One of the most primary radio enthusiasts entry choice.
Upgrade version of low power transceiver.
Buzzer can make a sound of beep along with the key action， adds fun for the beginner.

Specifications:
Power Supply: 9V-12V (Recommended 9V Laminated Battery)
Antenna: 50 Ω， Unbalanced
Frequency Range: Transmitter Local Oscillator Frequency: 7023kHz
Receive Local Oscillator Frequency: about 7023-7026KHz
Headphones: Low-impedance Headphones 
Transmit Power: 0.8W (using a 9V power supply)， 1.2W (12V power supply)
Suppress spurious (harmonic):-20dB 
Item Size: 5 * 5 * 0.2cm / 1.9 * 1.9 * 0.1in (Mould)
Item Weight: 27.1g / 0.9oz
Package Size: 14 * 10 * 1.5cm / 5.5 * 3.9 * 0.6in
Package Weight: 32g / 1.1oz

Package List:
1/4W Constant Resistance                                   Electrolytic Capacitor
R1                  47K                              CP1              100uF / 16V
R2                  33K                              CP2，CP3，CP4         10uF  / 16V
R3                  1K                               Transistor
R4                  470Ω                             D1，D2            1N4001
R5                  10K                              D3               1N4148
R6                  100K                              Q1               9018
R7                  10Ω                              Q2               8050
Adjustable Resistance
W1                  47K (473)
Fixed Inductance
L1                  22uH (Color Circle Coils)               Integrated Circuit
L2                  1uH  (Color Circle Coils)              U1               LM386(DIP8)
L3                  100uH(Color Circle Coils)               Crystal
Capacitance                                           Y1               7.023MHz
C1                  0.1uF(104)                        Other Component
C2，C4，C8，C11        10nF(103)                            J1               Black Power Socket
C3，C7               100pF(101)                          J2               Q9Antenna Interface(BNC)
C5，C6               470pF(471)                          J3               3.5mm Stereo Socket(KEY)
C9，C10              0.047uF(473)                         J4               3.5mm Stereo Socket(PHONE)
                                                  PCB Circuit Board * 1 Piece
Along with a 1 w 51 Ω resistor， to act as dummy load test.