Test Any Wireless Remote or IR Signal in Seconds The IR Infrared & Wireless Remote Control Frequency Tester is the ultimate diagnostic tool for automotive locksmiths, car key programmers, and electronics enthusiasts. Instantly detect and display the frequency of any wireless remote control — from car key fobs to garage door openers — across a wide range of 100 MHz to 1 GHz. No more guessing whether a remote is working or what frequency it operates on. This compact tester also checks infrared (IR) signal quality, letting you verify whether an IR remote is functioning correctly — perfect for TV remotes, air conditioner controllers, and more. A built-in LED light ensures easy operation even in low-light environments such as car parks or workshops. Made in Mainland China. Key Features ✅ Wide Frequency Range: Tests wireless remote frequencies from 100 MHz to 1 GHz ✅ IR Signal Detection: Checks infrared remote controls for good/bad signal quality ✅ Clear Display: Instantly reads and displays detected frequency ✅ Built-in LED Light: Work confidently in dark or low-light conditions ✅ Compact & Portable: Lightweight handheld design fits in your toolbox or pocket ✅ Battery Included: Ready to use straight out of the box ✅ Multi-Use: Ideal for car keys, garage remotes, gate fobs, TV remotes, and more Technical Specifications Test Frequency Range 100 MHz – 1 GHz Dimensions 150 × 75 × 30 mm Operating Temperature -10°C to 40°C Operating Humidity < 80% Relative Humidity Storage Temperature -20°C to 50°C Storage Humidity < 85% Relative Humidity What's in the Box? 1 × IR Infrared & Wireless Frequency Tester 1 × Battery 1 × Instruction Manual Who Is This For? This frequency tester is an essential instrument for: Automotive locksmiths & car key programmers — diagnose key fob signals on the spot Auto electricians & mechanics — quickly identify remote frequency before programming Electronics technicians — troubleshoot IR and RF remote controls DIY enthusiasts — verify remote functionality for gates, garages, and smart home devices Usage Tips For best results, avoid testing near strong electromagnetic interference sources such as cell towers, base stations, telephone poles, or while sending/receiving text messages. Keep the tester pointed directly at the remote being tested for the most accurate reading. Related Products You May Like 1/2 Channel Tuya WiFi Smart Relay Switch | 16A, Alexa & Google Home 1.8M DisplayPort to HDMI Cable 4K DP Adapter – PC TV Monitor For more information on RF and electromagnetic frequency standards, visit the U.S. Federal Communications Commission (FCC) or refer to NIST's RF Technology resources. Learn more: Pico Technology Frequently Asked Questions Q: What types of remotes can this IR frequency tester detect? A: This wireless remote control frequency tester can detect virtually any RF remote operating between 100 MHz and 1 GHz, including car key fobs, garage door openers, gate remotes, and alarm system remotes. It also tests infrared (IR) remotes such as TV and air conditioner controllers. Q: Does the frequency tester come with a battery? A: Yes! The package includes 1 × battery and 1 × instruction manual so you can start testing straight away — no extra purchases needed. Q: How do I know if my car key fob is working with this tester? A: Simply point your car key fob at the tester and press a button. If the key fob is transmitting a signal, the tester will display the detected frequency on screen. If no frequency is shown, the fob may have a dead battery or a faulty transmitter. Q: Can this tester be used in automotive workshops with poor lighting? A: Absolutely. The built-in LED light on the front of the tester is specifically designed for use in low-light environments like car parks, garages, and workshops — making diagnosis fast and convenient no matter the lighting conditions. {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What types of remotes can this IR frequency tester detect?", "acceptedAnswer": {"@type": "Answer", "text": "This wireless remote control frequency tester can detect virtually any RF remote operating between 100 MHz and 1 GHz, including car key fobs, garage door openers, gate remotes, and alarm system remotes. It also tests infrared (IR) remotes such as TV and air conditioner controllers."}}, {"@type": "Question", "name": "Does the frequency tester come with a battery?", "acceptedAnswer": {"@type": "Answer", "text": "Yes! 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