SECO-LARM - SK-B241-PQ - Bluetooth Access Controller - Mullion Keypad with Prox

Product Overview

The SECO‑LARM SK‑B241‑PQ is a Bluetooth access controller with a built‑in mullion keypad and 125 kHz proximity reader, supporting up to 1,000 users via app‑based programming over BLE 4.2 with AES‑128 encryption. All data is stored locally on the device — no cloud or internet required — and it features an IP65 weatherproof rating for outdoor use.

Key Configuration

• Access modes: App, keypad, or proximity card (125 kHz)
• Bluetooth: BLE 4.2, passcode protected, AES 128 encryption
• User capacity: 1,000 users, 1 administrator
• Operating voltage: 9-25 VDC
• Current draw: 58mA @ 12VDC / 33mA @ 24VDC max
• Output: Solid state Form C relay, 2.5A @ 30VDC

Key Features

The SK‑B241‑PQ offers three unlock methods — app, keypad, or 125 kHz proximity card — with app‑based programming and no software or subscription fees. It supports up to 1,000 users with customizable types including permanent, scheduled, temporary, or limited‑use access, and allows individual output mode/time settings per user. The app manages unlimited devices and includes a multilingual interface (English, Spanish, French, Portuguese, German, Russian, Vietnamese, Chinese).

Technical Context

Output modes include timed relock (1–1800 sec), continuously unlocked/locked, toggle, or hold‑open, with user list import/export for archiving or replication. It features wrong‑code lockout with customizable attempts and time, a tamper alarm output (50mA @ 30VDC) with adjustable timing/sensitivity, and inputs for egress (N.O.) and door sensor (N.C.). All data is stored locally with AES‑128 encryption — no cloud or internet connection required.

Installation Notes

The mullion‑form‑factor housing measures 45 × 152 × 23 mm and weighs 447g, rated IP65 for weatherproof outdoor use with an operating temperature of -20°C to 50°C. Powered by 9–25 VDC (58mA @ 12VDC), it includes a solid‑state Form C output (2.5A @ 30VDC) and a tamper output, eliminating the need for a separate control panel or cloud connection.