Amazon.com: Remote Control Switch, 12V Single Channel Relay Module RF Wireless Switch Receiver Equipped with Portable Remote Control Transmitter : Tools & Home Improvement
Amazon.com: D Debra Audio PRO ER-102 UHF Single Channel Wireless in Ear Monitor System with Monitoring Type for Stage, Band, Recording Studio, Musicians, Monitoring (2 Bodypack with Transmitter) : Musical Instruments
MYE MWTD-S9 Digital Single Channel Transmitter
LiNKFOR Single Channel Wireless Lapel MIC with 1 Transmitter and 1 Rec – LiNKFOR Store
4 Way Lora AC Wireless Remote Control Switch Kit transmitter receiver – Remote Control Switches Online Store
MICWL D100 UHF Single Channel Wireless Microphone System Handheld Beltpack
Buy Shure SLXD124/85 Digital Single-Channel Combo Wireless System (H55 Band) | Sam Ash Music
Audix AP41SAX 40 Series Single-Channel Wireless Clip-on Instrument Mic Sys | Full Compass Systems
EYK IEM81 UHF Wireless In Ear Monitor System Single Channel 16 Frequencies Selecable Perfect for Singer Stage Performance DJ - AliExpress
Sennheiser Single Channel Bodypack System: (1) SK 2000XP bodypack transmitter ; (1) EM 2000 single channel recevier. Frequency range Aw (516 / 558 MHz), 2000BP1-A | Affinitech Inc.
Teradek RT Single Channel Wireless Lens Control Kit
Buy Shure SLXD14/SM35 Digital Single-Channel Headset Wireless System (H55 Band) | Sam Ash Music
Shure P3T Single-Channel Half-Rack Wireless Transmitter For PSM 300 In-Ear Monitor System | Full Compass Systems
Amazon.com: Shure GLXD4+ Pro Digital Wireless Single Channel Receiver, Dual Band (operates in 2.4GHz and 5.8Hz), 100 ft Range - for use with GLX-D+ Dual Band Wireless Systems (Transmitter Sold Separately) :
eMylo Remote Control Switch DC 12V Wireless Momentary Switch 1 Channel Wireless Relay Transmitter with Receiver for Home Use - Amazon.com
Single Channel Wireless Transmitter | Remotes | MOTOR CONTROLS | ROLLAC SHUTTERS | Parts
Theos Single-Channel Digital Wireless System | Gotham Sound