The most advanced HORNET OEM security upgrade system with high-speed CANBUS digital communication for professional vehicle integration. Product Overview The Viper 3903T HORNET OEM Security Upgrade System represents the pinnacle of automotive security technology, utilizing advanced CANBUS communication to seamlessly integrate with vehicle networks while maintaining the professional HORNET platform reliability. This revolutionary system communicates directly with your vehicle's electronic systems through minimal wiring connections, reducing installation time by up to 50% while maintaining factory functionality and appearance. Developed by Directed Electronics International (DEI), the world's largest car security manufacturer, the 3903T features custom-designed firmware specific to each vehicle make, ensuring perfect integration with factory systems. The advanced CANBUS technology eliminates traditional hard-wired connections, providing covert installation with minimal intrusion to your vehicle's wiring system. Key Specifications Advanced high-speed CANBUS digital communication technology Vehicle-specific compatibility: Nissan, Ford, Toyota models Ultra-compact design: 15mm x 20mm x 13mm Single or dual-wire CANBUS connection (vehicle dependent) Operates using original factory keyless entry remotes Custom firmware designed for seamless vehicle integration 50% reduction in installation time versus traditional systems Battery backup siren with DoublGuard shock sensor Single immobilisation point with failsafe starter kill Comprehensive entry point protection (bonnet, boot, doors) Lifetime warranty coverage Features & Benefits Revolutionary CANBUS Integration - High-speed digital communication through vehicle's CANBUS network enables direct control of electronic systems using minimal wiring, providing covert installation with maximum functionality and factory-like integration. Vehicle-Specific Optimization - Custom firmware designed specifically for Nissan, Ford, and Toyota vehicles ensures seamless integration with factory systems, potentially unlocking additional features like automatic window closing and enhanced convenience functions. Professional Installation Efficiency - CANBUS technology reduces installation complexity and time by up to 50% compared to traditional hard-wired systems, minimizing vehicle intrusion while maximizing security effectiveness and reliability. Comprehensive Factory Integration - Maintains full factory security system functionality while adding advanced protection features, ensuring all original vehicle features continue operating normally while enhancing overall security capability. Advantages & Limitations Advantages: Advanced CANBUS technology with high-speed digital communication 50% faster installation with minimal wiring intrusion Vehicle-specific firmware for Nissan, Ford, Toyota optimization Uses original factory remotes (no additional transmitters) Ultra-compact design (15x20x13mm) for covert installation Lifetime warranty coverage with professional support May unlock additional factory optional features Limitations: Limited to specific Nissan, Ford, Toyota vehicle compatibility Requires professional installation with CANBUS expertise Some features may not be available on all vehicle models Higher cost than traditional hard-wired upgrade systems Technical Specs System type: CANBUS OEM upgrade security system Communication: High-speed digital CANBUS network Vehicle compatibility: Nissan, Ford, Toyota (specific models) Design: Ultra-compact 15mm x 20mm x 13mm Connection: Single wire or twisted pair CANBUS interface Operation: Original factory keyless entry remotes Protection: Bonnet, boot, door monitoring via CANBUS Immobiliser: Single point with failsafe starter kill Shock sensor: Built-in DoublGuard technology Siren: Battery backup with parking light flash Outputs: Horn honk, AUX, ground when armed Features: Multi-level security, event history, rapid resume logic Installation: Professional CANBUS integration required Warranty: Lifetime coverage Frequently Asked Questions Which specific vehicle models are compatible? The 3903T supports specific Nissan, Ford, and Toyota models with CANBUS networks. Professional installers can verify compatibility for your specific vehicle year and model. Will this affect my factory warranty? The system integrates through CANBUS without cutting factory wires, minimizing warranty concerns, though professional installation ensures proper integration. Can this unlock additional factory features? Yes, the system may activate optional factory features like automatic window closing when the alarm is activated, depending on your vehicle's capabilities. Compatible With / Goes Well With Nissan, Ford, Toyota vehicles with CANBUS networks Professional CANBUS security installation services Factory keyless entry systems Additional Viper security accessories Vehicle-specific CANBUS interface modules Professional diagnostic and programming tools Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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Alarm Remains In-Sync with the Vehicle at All Times CANBUS allows the Directed system to communicate with the vehicle via high speed digital data, through either a single wire or a twisted pair, which ensures a robust connection with minimal wiring connections to the vehicle. Connection to the CANBUS eliminates the need for many of the analog necessary in traditional, hard-wired, security systems cutting the installation time, in many cases, down by as much as 50%. CANBUS communicates with most of the electronic security and convenience systems throughout the vehicle, so the alarm remains in-sync with the vehicle at all times. When the vehicle is equipped with a factory security system, it works in sync with Directed CANBUS security system and all factory functionality is retained. The 3902T is the most advanced and sophisticated CANBUS upgrade alarm on the market. The 3902T is the result of many years of research and development by Directed Electronics International (DEI). DEI is the largest car security manufacturer in the world and have custom designed this compact alarm system to not only interprete vehicles CANBUS network but to communicate with it. This gives the Viper system the ability to read and interpret all the alarm requirements whilst being able to control the data network in the car and operate particular features such as the blinkers, windows and ignition system through the connection of only 1 or 2 wires. This design makes the system very simple to install covertly and with minimal intrusion to your vehicles wiring system. It Directed Electronics / Viper have specifically designed firmware for every vehicle ensuring seamless integration to each vehicle. In some cases the 3901T can even unlock additional factory optional features such as automatic window closing when you activate you alarm. 3902T Single Wire CAN OE Security Upgrade System. (programmable) Use the OEM keyless entry remote to control arm & disarm of upgrade security via the CAN BUS.*CAN BUS security systems are all Remote Start compatible and can be used to activate a 561T remote start module.*Some features not available on all vehicles. Legendary Products & Support From Authorized Dealers When you choose Viper, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & Training Only authorized Viper dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty Protection: We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support. ▸ Reliable Customer Support: If you ever run into an issue, you're backed by Viper's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your Investment: Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that? Choose wisely. Buy from an authorized Viper dealer today!

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Alarm Remains In-Sync with the Vehicle at All Times CANBUS allows the Directed system to communicate with the vehicle via high speed digital data, through either a single wire or a twisted pair, which ensures a robust connection with minimal wiring connections to the vehicle. Connection to the CANBUS eliminates the need for many of the analog necessary in traditional, hard-wired, security systems cutting the installation time, in many cases, down by as much as 50%. CANBUS communicates with most of the electronic security and convenience systems throughout the vehicle, so the alarm remains in-sync with the vehicle at all times. When the vehicle is equipped with a factory security system, it works in sync with Directed CANBUS security system and all factory functionality is retained. The 3901T is the most advanced and sophisticated CANBUS upgrade alarm on the market. The 3901T is the result of many years of research and development by Directed Electronics International (DEI). DEI is the largest car security manufacturer in the world and have custom designed this compact alarm system to not only interprete vehicles CANBUS network but to communicate with it. This gives the Viper system the ability to read and interpret all the alarm requirements whilst being able to control the data network in the car and operate particular features such as the blinkers, windows and ignition system through the connection of only 1 or 2 wires. This design makes the system very simple to install covertly and with minimal intrusion to your vehicles wiring system. It Directed Electronics / Viper have specifically designed firmware for every vehicle ensuring seamless integration to each vehicle. In some cases the 3901T can even unlock additional factory optional features such as automatic window closing when you activate you alarm. 3901T Fault Tolerant CAN OEM Security Upgrade System.(programmable) Use the OEM keyless entry remote to control arm & disarm via the CAN BUS.*CAN BUS security systems are all Remote Start compatible and can be used to activate a 561T remote start module.*Some features not available on all vehicles. Legendary Products & Support From Authorized Dealers When you choose Viper, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & Training Only authorized Viper dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty Protection: We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support. ▸ Reliable Customer Support: If you ever run into an issue, you're backed by Viper's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your Investment: Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that? Choose wisely. Buy from an authorized Viper dealer today!

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Alarm Remains In-Sync with the Vehicle at All Times CANBUS allows the Directed system to communicate with the vehicle via high speed digital data, through either a single wire or a twisted pair, which ensures a robust connection with minimal wiring connections to the vehicle. Connection to the CANBUS eliminates the need for many of the analog necessary in traditional, hard-wired, security systems cutting the installation time, in many cases, down by as much as 50%. CANBUS communicates with most of the electronic security and convenience systems throughout the vehicle, so the alarm remains in-sync with the vehicle at all times. When the vehicle is equipped with a factory security system, it works in sync with Directed CANBUS security system and all factory functionality is retained. The 3903T is the most advanced and sophisticated CANBUS upgrade alarm on the market. The 3903T is the result of many years of research and development by Directed Electronics International (DEI). DEI is the largest car security manufacturer in the world and have custom designed this compact alarm system to not only interprete vehicles CANBUS network but to communicate with it. This gives the Viper system the ability to read and interpret all the alarm requirements whilst being able to control the data network in the car and operate particular features such as the blinkers, windows and ignition system through the connection of only 1 or 2 wires. This design makes the system very simple to install covertly and with minimal intrusion to your vehicles wiring system. It Directed Electronics / Viper have specifically designed firmware for every vehicle ensuring seamless integration to each vehicle. In some cases the 3901T can even unlock additional factory optional features such as automatic window closing when you activate you alarm. 3903T High Speed CAN OE Security Upgrade System. (programmable) Use the OEM keyless entry remote to control arm & disarm of upgrade security via the CAN BUS.*Some features not available on all vehicles. Legendary Products & Support From Authorized Dealers When you choose Viper, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & Training Only authorized Viper dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty Protection: We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support. ▸ Reliable Customer Support: If you ever run into an issue, you're backed by Viper's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your Investment: Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that? Choose wisely. Buy from an authorized Viper dealer today!

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VE Smart Start Integration Alarm System Viper VEVST VE Smart Start integration alarm system. *Note: Please call/seek our advice to determine which remote start unit will suit your car before making the purchase. Legendary Products & Support From Authorized Dealers When you choose Viper, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & Training Only authorized Viper dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty Protection: We offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don't be misled by unauthorized sellers who can't provide genuine warranty support. ▸ Reliable Customer Support: If you ever run into an issue, you're backed by Viper's official manufacturer's warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your Investment: Buying from an authorized dealer ensures you're getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few dollars worth losing all that? Choose wisely. Buy from an authorized Viper dealer today!

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