The client wants the equipment out of sight and a remote that just works. Whether that remote talks in infrared light or radio decides what you pull at rough-in, what sits at the rack and how many callbacks follow. This IR vs RF remote guide compares the two for installers: line of sight, walls, interference, hidden equipment and the network control systems that often sit behind both.
What is the difference between an IR and an RF remote?
An IR remote sends pulses of infrared light, so it needs a line of sight to the equipment and stops at walls and cabinet doors. An RF remote sends radio signals that pass through many walls and cabinets, so it can reach hidden equipment without a receiver in the room. RF usually needs pairing and a base unit at the gear.
IR vs RF remote: how each one sends a command
An infrared remote flashes an LED in a coded pattern. The equipment’s IR sensor reads that pattern only when the light reaches it, directly or bounced off a nearby surface. Our guide on how an IR repeater works explains the carrier and the receiver in detail.
A radio frequency remote sends the command over radio to a receiver. That receiver is built into some equipment, but in AV work it is more often a base station at the rack that turns the radio command back into IR through stick-on emitters, or into network or serial commands. Either way, the remote and its receiver are paired, so the system only answers its own remote.
IR and RF remotes compared
| Factor | IR remote | RF remote |
|---|---|---|
| Line of sight | Needed, direct or by reflection | Not needed within range |
| Through walls and doors | No; needs a repeater or IR link | Often yes; range drops with each wall |
| Typical interference | Sunlight, some lamps and displays | Other radio devices; metal enclosures |
| Equipment end | Device’s own IR sensor | Base station, usually driving IR emitters |
| Setup | None for the original remote | Pairing and programming |
| Two-way feedback | Rare | Possible on some systems |
Neither column wins outright. The right choice depends on where the equipment lives and how the client wants to control it.
Remote control through walls: where RF earns its place
Remote control through walls is the main reason to choose RF. When the sources live in a closet, a basement rack or a cabinet with solid doors, an RF remote reaches them from the viewing room with no receiver or cable at the TV. That makes RF a good retrofit answer where there is no cable path to the TV wall.
Radio still loses strength through every wall, floor and piece of furniture it crosses, and dense materials cost more than drywall. Range figures on a box are measured in the maker’s own conditions, so test from the farthest seat before you call the job finished. If a room is marginal, many base stations accept an external or remote antenna.
Hidden equipment in racks and cabinets
A metal rack, a steel cabinet or a closet lined with foil-backed insulation can block the radio signal before it reaches a base station inside. Mount the base station’s antenna outside the metal, on top of the rack or through a grommet, rather than deep in a bay between amplifiers.
Inside the rack, most RF systems still finish the job with IR emitters over each device’s sensor, so emitter placement matters as much as with a wired repeater. Plan the base station, its power and the emitter leads together; our guide to choosing an AV equipment rack covers layout and ventilation, and the AV racks category lists the enclosures.
If the TV is far from the rack and video already travels over an extender, check whether the extender passes IR; our guide to HDMI cable length limits and extenders explains that option.
Interference and the FCC Part 15 conditions
IR interference comes from light: sunlight, some lamps and some displays. RF interference comes from other radio devices in the same space, and that is a condition of the rules, not a fault in the product. Consumer RF remotes are low-power devices that operate under FCC Part 15.
The rule in 47 CFR 15.5 states that operation is “subject to the conditions that no harmful interference is caused and that interference must be accepted” from authorized radio stations, other radiators, ISM equipment or incidental radiators. The label statement in 15.19 says the same thing: the device “must accept any interference received, including interference that may cause undesired operation.”
In practice, an RF remote has no protected channel. If commands drop out, look for nearby radio sources, move the base station or its antenna, and use the system’s channel or address settings where it has them.
IP and app control: the third option
Many systems now take commands over the network. A controller at the rack accepts commands from a handheld remote, a wall keypad or a phone or tablet app over WiFi, then drives the equipment by IR emitters, serial or IP. The client gets control from any room, and the installer gets one place to program it.
Network control depends on the network. Weak WiFi in the viewing room means a laggy app, so plan coverage as carefully as the rack; see our guide to WiFi access point placement. For lights, locks and shades on the same system, a mesh radio protocol may suit better; compare them in Z-Wave vs Zigbee.
How to choose for the job
- Equipment in the same room, in view: keep the original IR remotes or a universal IR remote.
- Equipment behind a cabinet door or in a closet, with a cable path: a wired IR repeater kit is simple and reliable.
- No cable path, or several rooms controlling one rack: an RF remote system with a base station at the rack.
- Whole-house control, apps and scenes: a network control system, with the TV, rack and WiFi planned together.
Whatever you choose, ask the client which remote they will actually pick up every day. A system that ignores that answer turns into a callback.
Where to find IR kits and control products
The Bursma IR category lists IR repeater kits for cabinets and racks. Z-Wave devices are in the Z-Wave category, and the wider security, surveillance and control division lists control and automation products.
For pricing and availability, ask your sales representative through the Bursma contact page. If you install for a living, open a Bursma dealer account.
Frequently asked questions
How do I know if my remote is IR or RF?
Cover the front of the remote and press a button. If the equipment stops responding, it is IR. You can also watch the remote’s front through a phone camera while pressing a button; many cameras show an IR LED as a flash of light.
Do RF remotes work through walls?
Usually, yes, within range. Each wall, floor and metal surface reduces the signal, so test from the farthest seat and keep the base station’s antenna outside metal racks.
Is RF better than IR?
Not in every case. IR is simpler and needs no pairing when the equipment is in view. RF is better when equipment is hidden or there is no cable path for an IR repeater.
Can an RF remote control equipment that only accepts IR?
Yes, through a base station that receives the RF command and sends it to the equipment as IR through emitters. That is the usual layout for hidden AV equipment.