🔤 RC Glossary

Every RC term, decoded

Cars, crawlers, boats, planes, helis, drones, tanks and radios — every real term, plain English, no jargon left behind. New to RC? Start here.

230
Terms
15
Categories
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Cross-linked to the Wiki, Guides and Tuning Guide.

All 230 🔋 Battery & Power (23) 🔧 Chassis & Handling (21) ⚙️ Drivetrain & Gearing (13) 🏁 Racing (13) 🏎️ Vehicle Types (16) 📡 Radio & Control (26) 🎥 FPV & Drones (22) 🚤 Boats (15) ✈️ Planes (18) 🚁 Helicopters (15) 🎗️ Tanks & Military (12) 🔩 General Hardware (16) 🛞 Tires & Wheels (8) 🎨 Paint & Body (6) 🧰 Maintenance & Safety (6)
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📡 2.4GHz The radio frequency band virtually all modern RC transmitters use,…

A

📡 ATV / EPA Adjustable Travel Volume / End Point Adjustment — sets the maximum…

B

📡 Bind Pairing a transmitter and receiver so they talk only to each other.

C

📡 CRSF (Crossfire) TBS's fast, low-latency digital RC link protocol, widely used in FP… 📡 Channel One controllable function on a radio system — steering is a channel…

D

📡 Dual Rate Limits how far a channel travels for full stick input, shown as a p…

E

📡 ELRS (ExpressLRS) A popular open-source long-range, low-latency RC link protocol — an… 📡 Expo Exponential — softens the response around the center of a radio cha…

F

📡 Failsafe A receiver safety setting that cuts throttle (and applies brake) if…

G

📡 Gyro A stability gyroscope that adds automatic counter-steer to help hol…

L

📡 Logical Switch A programmed switch on the transmitter that triggers automatically…

M

📡 Mixing Programming two channels to move together — like elevon mixing on a… 📡 Model Match A safety feature that refuses to bind or arm unless the receiver ma… 📡 Model Memory A saved settings slot in a transmitter for one specific vehicle — r…

P

📡 PPM Pulse Position Modulation — an older analog protocol that carries s… 📡 PWM Pulse Width Modulation — the classic single-channel servo signal, w…

R

📡 RSSI Received Signal Strength Indicator — a telemetry value showing how… 📡 Range Check A radio mode that deliberately reduces transmit power so you can wa… 📡 Receiver (RX) The onboard unit that receives the transmitter's signal and passes…

S

📡 SBUS A digital serial protocol that carries many channels over one wire… 📡 Servo The motor-and-gear unit that turns a channel's signal into physical… 📡 Servo Horn The arm or wheel attached to a servo's output shaft that the steeri… 📡 Spread Spectrum Modern radio technology (used by 2.4GHz systems) that hops between…

T

📡 Telemetry Live data sent back FROM the vehicle to the transmitter — pack volt… 📡 Transmitter (TX) The handheld radio you actually hold — sends your stick and switch… 📡 Trim A small adjustment to a channel's center/neutral point — used to fi…