Wireless Keypad KB-K2-W

Overview

The KB-K2-W wireless keypad from the Rhenium series is a backlit security user interface designed for unified control of burglar alarm systems. It supports the core functions of arming, disarming, and emergency alarm (SOS), and communicates over the two-way FSK protocol at 868 MHz with a range of 800 m. With 128-bit AES encryption, protection against code guessing, duress code support, and power from four AA batteries lasting up to 3 years, this keypad is a highly secure and dependable choice.

Technical specifications

Datasheet (PDF)

Model: KB-K2-W

System Functions

Operating Functions: Arm / Stay Arm / Disarm / SOS
Key Fob Support: Supported (Max. 50 Fobs)
Security Features: Duress Code Protection against Code Guessing
User Interface: Backlit Keypad
Sound Indication: Supported (3-Level Adjustable)

Electrical & Power

Power Supply: Battery: DC 3V (4x AA Batteries)
Battery Life: Up to 3 Years (Based on 10 triggers/day)
Static Current: ≤ 100μA

Detection performance

Tamper Alarm: Supported

Wireless Spacification

Radio Frequency: 868MHz
Wireless Protocol: FSK with Two-Way Communication
Wireless Security: 128-bit AES Encryption Frequency Hopping
Transmission Range: Up to 800 meters (Open Area)

General

Dimensions: 167 x 117 x 23 mm
Installation Method: Wall-mount (Screws or 3M Tape)
Operating Temp: -10°C ~ 55°C
Operating Humidity: 5% ~ 95%RH (non-condensing)
Compliance Standards: CE

Downloads

Documentation

KB-K2-W

PDF191.9 KB

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Frequently asked questions: Burglar Alarm Systems

Answers to common questions about this product line, from the KDT Help Center.

Can burglar alarm systems be managed remotely?

Yes, if the product and the network architecture support it. Remote access must also be protected with authentication, a secure connection and access restrictions.

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Where should I start when choosing the right burglar alarm system?

Start by defining the intended use, the number of devices, the installation environment, the capacity required and your plans for future expansion. Then choose the model and technical specifications based on what the project actually needs.

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Which technical specifications matter most for burglar alarm systems?

Depending on the project, the most important specifications are capacity, speed, compatibility, environmental ratings, management features and scalability. Basing your choice on a single figure is usually not enough.

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Is a cheaper burglar alarm model always the right choice?

No. The purchase price is only one factor. You also need to consider reliability, features, service life, after-sales service and maintenance costs.

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How do I work out how much capacity a burglar alarm system needs?

Base the calculation on the number of devices, actual usage, how long the system will be in use and how much the project is likely to grow. It is also wise to keep some capacity in reserve.

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