[Amazon.com] Linear DXSR-1504 Supervised 4-Channel Receiver, 100 mA, 7.25" Width, 5.0" Height

[Amazon.com] HPI Sprint 2 Flux * RF-40 3 Channel 2.4GHz Receiver * 105383 radio WR8 106159

[Amazon.com] Pinnacle- 12V 4 Channels Learning Code RF Wireless Remote Control Switch Systems Receiver & 4 Transmitter

[Amazon.com] 3 in 1 DC12V 4 Channel RF Wireless Remote Control Switch Receiver & 2 Radio Controllers (Black)

[Amazon.com] 12v 4 Channel Rf Wireless Remote Switch Receiver Module with Controller Hs

[Amazon.com] Seco-Larm Four Channel RF Receiver Easy Transmitter Learning/Codes 1000 Feet Range

[Amazon.com] 3 in 1 DC12V 4 Channel RF Wireless Remote Control Switch Receiver & Radio Controller (Brown & White)

[Amazon.com] CowboyStudio NPT-04 4 Channel Wireless Hot Shoe Flash Trigger Receiver

[Amazon.com] RF Link AVS-5812 Wireless Audio/Video Sender (5.8 GHz)

[Amazon.com] Pink USB Receiver Cordless 2.4GHz RF Optical Wireless Mouse For Laptop PC Mac

The above is "Usb Rf Receiver - 4 Channel Rf Modulator - 4 Channel Rf Receiver" recommended related products, Please click on the picture to see product details and 4 channel rf receiver reviews!