When a key or remote needs programming, sometimes you need more than a duplicator—you need a pro-level tool that handles key programming, remote cloning, chip generation, and frequency testing across a wide range of vehicles. That’s where the Lonsdor collection at Keyless City steps in. Featuring handheld programmers like the Lonsdor KH100+, the potent K518 PRO in both Full Configuration and FCV (Free Combination Version), and handy accessories like the Lonsdor Remote Tester, these tools empower locksmiths to generate keys, program remotes, and test frequencies—all with compact, rugged units built for the road.

Collection Overview 

Our Lonsdor collection includes the latest key programming devices and remote tools trusted by professional locksmiths:

• KH100+ – Handheld remote key programmer and chip generator
• K518 PRO FCV – Tablet-style key programmer with Free Combination Version config
• K518 PRO Full Configuration – USA version with MLB, VW, Audi, Porsche, Bentley, Jaguar, Land Rover, Toyota, Mazda, Honda smart key support
• Lonsdor Remote Tester (RT4 IR/FR) – Frequency tester for RF and IR remotes, covering 300 MHz–902 MHz ranges
  
  

These tools offer functions like chip copy, remote generation, transponder simulation, immobilizer programming, odometer adjustment, and remote frequency detection—with OBD/CAN/IR/FR support. They're built for professionals who need smart key support, frequency testing, and key generation in one rugged package.

KH100+ Handheld Key Programmer

The Lonsdor KH100+ is a compact remote cloning and smart key tool. It identifies and copies transponder chips (4D, 46, 47, 48), mimics ignition signals, detects remote frequency, and supports Toyota H-chip—perfect for mobile jobs like lost keys or proximity fob replacements. The KH100+ has an 8A chip generator, frequency detection up to 902 MHz, built-in chip slot, and expanded data range with faster processing and memory capabilities. A handheld remote key programmer with no cables needed—ideal for on-the-go locksmiths who need quick, reliable functionality in a compact package. 

K518 PRO FCV (Free Combination Version) 

The Lonsdor K518 PRO FCV tablet-style key programmer is designed for versatility and coverage. Featuring a free combination configuration that supports five pre-installed car series (Toyota/Lexus/Scion, Nissan/Vemucia/Infiniti, Hyundai/Kia, Honda/Acura, Land Rover/Jaguar) and lets you choose five more, it’s a smart, modular tool for expanding capabilities without extra modules. Functions include immobilizer programming, odometer adjustment, smart key and remote generation, chip copy, remote frequency detection, and CAN‑FD & DoIP support. Built on Android 9, the unit includes lifetime updates and no annual fees, making it a strong value for pro locksmith programming. 

K518 PRO Full Configuration (USA Version) 

The Lonsdor K518 PRO Full Configuration USA version offers top-tier coverage with two years of free updates. It supports high-end European models like BMW, VW, Porsche, Bentley, Lamborghini, plus Volvo smart keys, plus latest Toyota/Lexus 8A/4A chips, Land Rover/Jaguar OBD smart key programming, Mazda and Honda smart keys without PIN codes. This USA-configured key programmer includes DoIP and CAN‑FD support, one‑key update, built-in LKE emulator, and Toyota AKL and Nissan license activation—all packed in a rugged tablet with lifetime firmware updates. Great for professional auto locksmiths tackling remote, chip, and smart key programming across luxury and mainstream vehicles. 

Lonsdor Remote Tester RT4 (IR/FR)

Knock out frequency and infrared tests with the Lonsdor RT4 IR/FR Remote Tester. Designed for remote key frequency testing from 300 MHz up to 902 MHz, it can quickly check if remotes and smart keys are transmitting correctly—in RF or IR. A must-have diagnostic accessory for verifying remote failures before reprogramming, preventing unnecessary key programming fees. Compact and simple to use, just place the remote near the tester, press a button, and read the LED indicator. It’s fast, accurate, and ideal for on-the-fly troubleshooting in vans or shops. 

Featured Products

• Lonsdor KH100+ Remote Key Programmer – Handheld chip generator and remote duplicator with 8A chip, IR detection, Toyota H-chip support, frequency identification, perfect for mobile use.
• Lonsdor K518 PRO FCV Key Programmer – Tablet-style, supports free combination config, OBD smart key programming, odometer, CAN‑FD, DoIP, lifetime updates.
• Lonsdor K518 PRO Full Configuration – USA model with European, Japanese smart key support, MLB programming, two-year updates, built-in LKE emulator.
• Lonsdor RT4 IR/FR Remote Tester – RF/IR frequency tester covering 300–902 MHz for remote and key fob diagnostics.
  
  

Why This Collection Stands Out 

The Lonsdor collection at Keyless City gives locksmiths a pro-tier set of tools: remote cloning, smart key generation, transponder simulation, frequency testing, and smart key programming—all in compact, integrated units. The KH100+ is lightweight and great for on-the-go use. The K518 PRO FCV adds modular flexibility with free combination support. The Full Configuration version expands coverage to luxury vehicles and smart systems. And the RT4 tester lets you quickly troubleshoot RF and IR remote issues before investing time in programming. These tools deliver intuitive interfaces, built-in update paths, reliable build quality, and deep vehicle support—without subscription fees or modular add-ons weighing you down.

Related Collections You’ll Want

Pair your Lonsdor tools with these Keyless City collections to complete job cycles:

• Transponder Key Bundles – Pre-chipped 4D, 46, 8A transponder keys ready for programming.
• Smart Key Shells & Flip Key Blades – Remotes and shells that fit Lonsdor’s key generation tools.
• Key Duplicators & Key Machines – Cut mechanical blades after generating chips or remotes.
• Programmer Accessories – OBD cables, adapters, and power cables for K518 and KH100+ units.
• Key Machine Accessories – Holders and clamps to prep blades and remotes before programming.
  
  

These pairings give full workflow from blade cut to chip program to remote activation.

Why Locksmiths Trust Keyless City

Locksmiths rely on Keyless City because we offer:

• Free shipping on orders over $150 – no surprise costs
• Discounted expedited shipping – useful for late-in-the-day orders
• Competitive pricing on Lonsdor key programmers and accessories – no dealer markup
• Products tested by pros – we don’t sell gadgets, we stock tools we use
• Price matching – see it cheaper? We’ll match it
• Same-day shipping before 3 PM Central – minimize downtime
• 30-day returns – if a product doesn’t fit your workflow
• Live technical support – call or live chat with us.
  
  

We keep Lonsdor stock ready and supported—so your key programming jobs never stall.

Whether you're generating smart keys, cloning remotes, programming chips via OBD/CAN, or just testing remote frequency, the Lonsdor collection at Keyless City equips you with go-to tools for fast, professional results. From handheld KW100+ versatility to tablet-style K518 PRO power, and the diagnostic RT4 frequency tester, you’re covered from mobile builds to full smart key programming. Trust these tools to accelerate your workflow, expand your vehicle coverage, and boost your bottom line. For locksmiths aiming to offer full-service key programming and remote support, this Lonsdor collection is where you start.