
Access Control
KES 29,999
In StockModel: Suprema DM‑20
Form Factor: Compact door control module
Access Control Integration: BioStar, Onvif, Modbus, Wiegand input/output
Relay Outputs: 2 × Form-C relays (lock release, alarm)
Inputs: Door contact, request-to-exit (RTE), tamper switch
Secure and efficient access control has become essential for schools, offices, residential buildings, and healthcare facilities. The Suprema DM-20 Door Control Module empowers organizations to control doors, alarms, and access points with flexibility and precision—all backed by proven hardware and advanced integration options. Suprema DM20 Door ControlModule
Now available at Phonex Technologies Kenya, this compact yet powerful unit delivers secure door operations under the Auto-Immunity door management system, making it ideal for modern security setups.
Not all door control systems are built the same. The DM-20 excels in crucial areas:
Modular design ideal for renovations and phased installations
Secure relay outputs capable of managing door locks and alarms
Tamper detection protects against unauthorized interference
Multiple supervised inputs enable integrated alarm systems
Wiegand, RS-485, Modbus, and BioStar connectivity
Future-ready with optional Wi-Fi and Bluetooth modules
Whether you're rebuilding an office access system or upgrading a campus network, the DM-20 puts control in your hands.
Deploy DM-20 units at entry doors, server room closets, or restricted zones. The module pairs easily with Suprema readers and the BioStar 2 platform, enabling tailored rules, auditing, and multi-factor entry.
In sensitive areas like laboratories or patient rooms, the supervised tool monitors door status with tamper alerts. Safe handling and quick intervention reduce risk.
Use DM-20 for gated entrances or amenity rooms. Residents gain convenience while security teams monitor every entry remotely.
DM-20’s certification and modular design support high-security deployments, protecting offices with streamline integration and secure communications.
The DIN-rail compatible form allows incorporation into lighting or HVAC panels. Relay control manages not just doors but other electric appliances.
DM-20 is designed to keep both people and equipment safe:
Relay ratings accommodate electric strikes, mag locks, and alarm triggers
Supervised inputs for door status and push-to-exit buttons
TMP tamper detection sounds alarms if unauthorized access to internal components occurs
Surge protection shields against voltage spikes via protective varistor circuits
Auto-voltage sensing for global deployment, auto-selecting 12 or 24 V
Your access system operates reliably—even during power spikes or environmental changes.
Powered by Wiegand, RS‑485, and optional Wi‑Fi or Bluetooth, the DM‑20 offers flexible network options:
Wiegand I/O for basic card reader integration
RS‑485 for long-distance, multi-panel communication
Modbus RTU compatibility for broader building automation
Optional Wi‑Fi/Bluetooth lets you configure modules without cables
Powered relay contacts integrate with alarms or CCTV systems
BioStar 2 platform support for full-featured management and audit
Suprema created the DM-20 to work effortlessly in both standalone and integrated architectures.
Measuring around 100 × 80 × 30 mm, the DM‑20 fits easily in standard door boxes or shallow mounting panels. With DIN-rail versions available, installers can choose the right layout for optimal cable management and system design.
Configurable via BioStar 2 or a featured web interface, the DM-20 enables:
Timed unlocks
Zone lockdowns
Alarm sequences
Supervised door policies
Remote firmware updates and diagnostics
It meets the needs of evolving security requirements—from simple office entry to restricted high-security zones.
When you purchase DM-20 from Phonex, you benefit from:
Warranty-backed, genuine Suprema modules
Setup assistance by certified security integrators
Integration with CCTV, alarms, and facility management platforms
Competitive bundle pricing for readers, controllers, and modules
Nationwide delivery and expert local support
Any security project—small or large—deserves quality at each level. Phonex ensures that even the door controller is installed with care.
Product: Suprema DM‑20 Door Control Module
Availability: In stock
Warranty: 1 year
To order or request an installation quote:
Call/WhatsApp: [Insert Contact]
Email: [Insert Address]
Visit: [Insert Phonex Store Address]
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Delivery: Same-day Nairobi, next-day national
Configuration & Support: Integrated design consultation available
Q: Can I use DM‑20 for multiple doors?
Each module controls a single door; use multiple modules in larger installations.
Q: Is network wiring hard to manage?
No—connect RS‑485 across modules for centralized access control via BioStar.
Q: What if power fails?
Use standard backup systems like UPS; DM-20 doesn’t include embedded batteries.
Q: Can it trigger CCTV events?
Yes—relay outputs can trigger surveillance, lighting, or alarms in response to door activity.
Q: Is it weatherproof?
No—install inside or in sheltered environments (indoor-rated).
The Suprema DM-20 Door Control Module is a professional-grade solution for secure, scalable, and managed access control. Compact, smart, and rigorous, it supports policies, audits, and emergency responses—all synced with modern security platforms.
Delivered with support, warranty, and integration services by Phonex Technologies Kenya, the DM-20 is your gateway to intelligent zoning, robust door logic, and systems that safeguard both people and assets.
Order now to elevate your facility's security posture—one door at a time.
https://www.phone-x.co.ke/product/suprema-card-reader-controller/