It boasts digital phase-lock loop IOC coupled with a 5-gang FM tuning capacitor.
eBay
K&F Concept 49/52/55/58/62/67/72/77/82mm Magnetic Metal Lens Caps 2-in-1 (Works only with K&F Concept Magnetic Filters)
Aliexpress UK
Good used part. Concept 4.5 vintage stereo receiver.
eBay
2/3PCS ELRS 2.4G Mini Receiver ExpressLRS 2.4G RX Long Range Receiver For RC FPV Long Range Racing Drone Quadcopter
Aliexpress UK
Nice Concept 3.5 Stereo Receiver. Works as it should and sounds great. All inputs have been tested. The differential transistor pairs have been replaced with closely matched stable modern equivalents.
eBay
DUMBORC 2.4GHz Mini Receiver P6F P6F(G) P6DC P6DC(G) P4FM(G) P4FM P6FP P10F P10F(G) Receiver with Gyro/without Gyro For RC Car
Aliexpress UK
tested, works
eBay
DUMBORC 2.4GHz Receiver P6F P6F(G) P6DC P6DC(G) P4FM(G) P4FM P6FP P10F P10F(G) Receiver with Gyro/without Gyro For RC Car Boat
Aliexpress UK
Good used part. Concept 4.5 vintage stereo receiver.
eBay
DUMBORC 2.4GHz Receiver P6F P6F(G) P6DC P6DC(G) P4FM(G) P4FM P6FP P10F P10F(G) Receiver with Gyro/without Gyro For RC Car Boat
Aliexpress UK
Good used part. Concept 4.5 vintage stereo receiver.
eBay
FlySky FGR4D 4-channel Bidirectional Receiver for RC Car Remote Control 4CH 2.4G Mini Receiver 3.5-8.4V Built-in Single
Aliexpress UK
A proper restoration must replace all electrolytic capacitors on all boards. A proper rebuild requires a full recap of all PCBs. Parts for compete recap of all the electrolytic capacitors. Complete recap of all PCBs.
eBay
K&F Concept 37mm-82mm CPL Camera Lens Filter Circular Polarizer Multi Coated Filter 39mm 46mm 49mm 52mm 58mm 62mm 67mm 72mm 77mm
Aliexpress UK
M2 concept/Carlo Gavazzi smart-home wireless receiver CWBS.
eBay
K&F Concept BA225 60 inch Carbon Fiber Tripod Lightweight Aluminum Alloy Triangle Seat Detachable Monopod Reflexive Ball Head
Aliexpress UK