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DSC

SKU: PG9936

DSC PG9936 PowerG Wireless Photoelectric Smoke Detector

Wireless photoelectric smoke detector with PowerG encryption and 2 km range
- PG9936 PowerG photoelectric wireless smoke detector
- Reduces nuisance alarms vs ionization detectors
- 85 dB sounder with green/red LED indicators
$283.05 $129.99 Save $153.06

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DSC

SKU: PG9938

DSC PG9938 Wireless Floor/Surface Water Detector

Wireless water detection for basements and mechanical rooms, 5-year battery
- PG9938 wireless flood detector for floor placement
- CR2032 lithium with up to 5-year battery life
- Eliminates costly slab/conduit cable runs
$133.29 $60.99 Save $72.30

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DSC

SKU: PG9939

DSC PG9939 Wireless Temperature Sensor

Wireless temperature sensor for DSC systems, -20°C to 50°C range
- PG9939 wireless temperature sensor, -20C to 50C
- 128-bit AES encryption on CR2032 lithium battery
- Up to 5-year battery life for facility monitoring
$102.20 $46.99 Save $55.21

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DSC

SKU: PG9944

DSC PG9944 Outdoor Wireless Curtain PIR Detector

Outdoor wireless curtain PIR with 5-year battery life for perimeter security
- PG9944 outdoor curtain PIR detector, 6m x 1m pattern
- Roof-edge/fence-line perimeter monitoring
- 2x CR123A lithium with up to 5-year battery life
$1,043.72 $202.99 Save $840.73

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DSC

SKU: PG9945

DSC PG9945 Wireless Door/Window Contact Sensor

Wireless door/window sensor with 7-year battery and 128-bit AES
- PG9945 wireless door/window contact at 96mm length
- Vanishing form factor for surface mount installs
- CR2032 lithium with 128-bit AES encryption
$100.71 $46.99 Save $53.72

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DSC

SKU: PG9974P

DSC PG9974P Indoor Dual-Tech Motion Detector

Dual-tech indoor motion detector with IR + microwave for false-alarm immunity
- PG9974P indoor dual-tech (PIR + microwave) motion
- Both sensors required to trigger — reduces false alarms
- CR123A lithium with up to 7-year battery life
$206.61 $94.99 Save $111.62

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DSC

SKU: PG9984P

DSC PG9984P Anti-Mask Dual-Tech Motion Detector

Dual-tech motion detector with anti-mask protection and 7-year battery
- PG9984P anti-mask dual-tech motion detector
- PIR + microwave for warehouse/retail with dust/airflow
- CR123A lithium with up to 7-year battery life
$268.64 $122.99 Save $145.65

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DSC

SKU: PG9985

DSC PG9985 Wireless Panic Button

Compact wireless panic button with 128-bit encryption and 5-year battery
- PG9985 wireless panic button at 49 x 33 x 13 mm
- 128-bit AES encryption on CR2032 lithium battery
- Up to 5-year battery for commercial/institutional use
$149.99 $78.99 Save $71.00

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DSC

SKU: PG9994

DSC PG9994 PowerG Wireless Outdoor Motion Detector with Camera

Dual-tech outdoor motion detector with integrated camera and 12m range
- PG9994 PowerG outdoor motion detector with camera
- Dual-tech (PIR + microwave) at 12m (40ft) range
- 640x480 camera at 2.0-3.0m mounting height
$616.52 $281.99 Save $334.53

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DSC

SKU: TL280E

DSC TL280E Control Panel – Networked Access Control Hub

Cabinet-mount networked access control hub with TCP/IP and 128-bit AES
- TL280E control panel with native TCP/IP networking
- 128-bit AES encryption for remote monitoring
- UL/ULC listed for commercial security systems
$355.01 $162.99 Save $192.02

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DSC

SKU: TL280RE

DSC TL280RE Telephone Entry System Controller

Panel-mount telephone entry controller with 128-bit AES encryption
- TL280RE telephone entry controller, UL/ULC listed
- TCP/IP and RS-232 with 128-bit AES encryption
- Direct integration with commercial access control
$389.16 $177.99 Save $211.17

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DSC

SKU: WT4911B

DSC WT4911B Outdoor Wireless Transmitter

Outdoor wireless transmitter, -20°C to 55°C, 3-year battery life
- WT4911B outdoor wireless transmitter, -20C to 55C
- 128-bit AES encryption for harsh climate use
- 8x AA lithium with up to 3-year battery life
$415.85 $198.99 Save $216.86

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HES

SKU: SC616NP

Eaton HES SC616NP Sonalert Fast Pulse 95dB Alarm

95dB fast-pulse audible alarm for security & access control
- 95dB fast-pulse output cuts through ambient noise in commercial environments
- Compact standalone device integrates with standard relay circuits & control boards
- Panel-mount form factor for retrofit and new security system installations
$156.00 $155.99 Save $0.01

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ELK Products

SKU: ELK-319KF4

ELK Products 4 Button Keyfob 319 Series 319Kf4

4-button wireless keyfob for ELK 319 Series access control
- Four-button wireless keyfob for arm, disarm, stay, and panic actions
- RF link to ELK 319 series receivers and panels
- Compact keyring form factor for user pocket carry
$41.94 $33.99 Save $7.95

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ELK Products

SKU: ELK-129

ELK Products Computer Sound Card Interface - ELK-129
- Sound card interface module for ELK panel computer integration
- Plugs into PC sound card for two-way panel audio diagnostics
- Compact 345 x 99 x 261 mm housing for desktop or rack placement
$78.99

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ELK Products

SKU: ELK-06120

ELK Products ELK-06120 ELK Security Accessory

6V 12Ah backup battery for ELK security control panels
- 6V 12Ah sealed lead-acid backup battery for ELK alarm panels
- 20-hour discharge rate sustains panels through extended AC outages
- 4.1 lb (1.86 kg) form factor fits standard ELK panel battery bays
$22.99

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Access Control

Access control systems secure doors, manage credentials, and enforce entry policies across commercial facilities. Build a scalable deployment with the right combination of controllers, readers, credentials, and door hardware.

Plan Your Deployment

Door count and expansion requirements
Reader type (card, keypad, biometric) and credential format
Fail-safe vs fail-secure hardware design
Power, cabling, and network connectivity planning
Multi-site governance and consistent standards

Buying Guide Get Recommendations Deployment Support

Build a Complete System

Most access control installations need these companion products to be fully functional. Add them to your cart for system-wide compatibility.

Door intercoms

Aiphone DA-1MD Audio Handset Master Station

$82.99

Aiphone DB-1MD Hands-Free Master Station

$144.99

Aiphone DB-1SD Hands-Free Sub Master Station

$113.99

Aiphone JOS-1FW 7" Video Intercom Box Set with Mobile A

$820.99

What to Look For When Buying

The six decisions that matter most before you spec.

Fail-Safe vs Fail-Secure

Fail-safe locks (power-to-lock) unlock on power loss — required for egress routes by most fire codes. Fail-secure (power-to-unlock) stays locked on power loss — used on office and storage doors where security trumps egress. Life-safety code interpretation varies by jurisdiction; consult your AHJ before specifying. See our fail-safe vs fail-secure guide.

OSDP vs Wiegand

Wiegand is the legacy reader-to-controller protocol (unencrypted, one-way, limited to 26-bit formats). OSDP (Open Supervised Device Protocol) is the modern replacement — bidirectional, encrypted, supervised, and future-proof for Seos/mobile credentials. New deployments should be OSDP; plan a Wiegand-to-OSDP migration path in legacy systems before adding mobile credential support.

Credential Technology

125 kHz proximity (HID Prox, EM) is the legacy standard — cheap, cloneable, no security. 13.56 MHz smart cards (iCLASS SE, MIFARE DESFire EV3, Seos) use AES encryption and are the commercial standard. Mobile credentials via NFC/BLE increasingly replace physical cards — but only on OSDP-capable readers. Specify multi-technology readers for migration flexibility.

Cloud vs On-Prem Management

Traditional server-based access platforms (Lenel, Genetec, C-Cure) require IT infrastructure and maintenance contracts. Cloud-native platforms (Brivo, Openpath/Avigilon Alta, Genea) eliminate servers but add per-door monthly fees. Mid-size deployments increasingly choose cloud; enterprise + critical infrastructure still favor on-prem. Hardware choice determines which platforms you can run.

Power Supply Sizing

Every lock + reader + controller has an inrush current and a holding current — and they differ. Maglocks hold at 300-500 mA but pull 800 mA on release. UL 294 power supplies rated for total simultaneous holding + 25% headroom, with battery backup sized to code-required runtime. Undersized power supplies are the #1 cause of access-control nuisance failures.

Code Compliance (Egress)

IBC, NFPA 101, and ADA all mandate unimpeded egress. A magnetically-locked door requires a fire-alarm tie-in, a bond-sensor, and a request-to-exit device — omit any and the door is a code violation. Delayed-egress maglocks require 15-second delay + sounder per NFPA. Always confirm lock spec with the AHJ before ordering.

Technology Stack

The specs and acronyms that actually affect outdoor performance.

OSDP v2 + Secure Channel

Open Supervised Device Protocol v2 with Secure Channel Protocol (SCP) delivers AES-128 encryption between reader and controller over RS-485. Replaces unencrypted Wiegand. Required for new federal deployments and FIPS 140-2 applications. All modern HID, ASSA ABLOY, and STid readers support OSDP + SCP.

Seos + iCLASS SE Credentials

HID Seos is the current-generation credential platform: AES-128 encrypted, multi-application, supports mobile wallets, backward-compatible with iCLASS SE. Seos credentials work on Seos readers + older iCLASS SE readers — iCLASS SE credentials do not work on legacy iCLASS (non-SE) readers. Plan migrations carefully.

FIPS 201 / PIV + PIV-I

Federal Identity Verification standard — the credential format used for federal employee and contractor badges. PIV-I (Interoperable) is the commercial variant for hospitals, utilities, and critical-infrastructure contractors. Specify PIV/PIV-I-capable readers (HID pivCLASS, multiCLASS SE) for any facility that hosts government visitors.

UL 294 Listing

Underwriters Laboratories listing for access control system units — power supplies, controllers, and locks. UL 294 6th edition covers security, durability, and overcurrent/overvoltage protection. Insurance and code requirements increasingly specify UL 294 listing. Altronix access-control power supplies are UL 294 listed across the catalog.

Wiegand Protocol

Legacy reader-to-controller protocol — one-way, unencrypted, variable bit-length format. Easily cloned with <$50 hardware. Still widespread because of low cost and universal compatibility. Acceptable for low-security interior doors; should be replaced with OSDP on any external or sensitive-area door.

Request-to-Exit (REX)

Motion- or push-button-activated device that signals the access controller to unlock the door from the secure side without generating an alarm. Required for maglock-equipped egress doors per code. PIR REX sensors must be properly aimed — nuisance alarms and held-door violations trace back to bad REX placement more than any other cause.

Typical Deployment Scenarios

Multi-Tenant Office Building

Lobby turnstiles with multi-tech readers, tenant suite doors with HID Signo + Seos, parking garage with long-range readers, elevator control for floor-by-floor access. Cloud platform (Brivo, Openpath) with mobile credentials replaces physical card issuance. Integration with SIP video intercoms for visitor management.

K-12 School Secure Vestibule

Front entry vestibule with fail-secure electric strike, interior Aiphone video intercom for visitor buzz-in, badge readers for staff, lockdown button integrated with mass notification. Back-of-house doors fail-safe per code. Full VMS integration for event overlay.

Hospital & Healthcare

Unit doors with HID multiCLASS SE + PIV-I compatibility, medication rooms with dual-authentication (card + biometric), ER ambulance bays with ruggedized readers, delayed-egress on behavioral health wards. Lenel or Genetec server-based platform with HIPAA-compliant audit logging. High-cycle-count electric strikes required.

Data Center & Critical Infrastructure

Biometric readers at server-room entries, mantrap doors with anti-tailgating sensors, cage-level access with OSDP + SCP, 7x24 audit logging. FIPS 201 / PIV-I credentials. Integration with IP cameras for tailgating review and infrastructure monitoring for physical-layer security.

Frequently Asked Questions

What's the difference between fail-safe and fail-secure locks?

Fail-safe locks (also called "power-to-lock") unlock on power loss — required for egress routes by most fire and life-safety codes. Fail-secure locks ("power-to-unlock") stay locked on power loss — typically used on office, storage, and supply doors where security trumps egress. Always confirm lock selection with the local AHJ; see our fail-safe vs fail-secure guide.

Is OSDP required for new access control installations?

Not legally required in most jurisdictions — but strongly recommended and effectively mandatory for federal deployments. OSDP with Secure Channel provides AES-128 encryption between reader and controller, bidirectional supervision, and future-proof support for mobile credentials. Legacy Wiegand is unencrypted and easily cloned. New deployments should be OSDP-capable from day one; legacy systems should plan a migration path.

Are HID card readers NDAA compliant?

Yes. HID Global is headquartered in Austin, TX, manufactures in multiple allied countries, and is fully NDAA Section 889 compliant. HID Signo, multiCLASS SE, iCLASS SE, and pivCLASS reader families are all eligible for federal, state government, and critical-infrastructure procurement. Credential cards are manufactured to the same compliance standard.

How do I size an access control power supply?

Add up holding current for all locks + reader standby current + controller standby current, then add 25% headroom for inrush and aging. Battery backup should provide code-required standby runtime (typically 4 hours for fire-alarm tie-ins; 15 min for access-only). Altronix UL 294 power supplies post clear spec sheets for total and per-output current — match to your actual load, don't guess.

Can mobile credentials replace physical access cards?

In most modern deployments, yes — but the reader has to support it. Readers need NFC and/or BLE (Bluetooth Low Energy) plus a partnership with the mobile credential platform (HID Mobile Access, Openpath, Kastle, etc.). Older proximity-only readers cannot read mobile credentials. Mobile adoption is usually mixed with physical cards during a multi-year transition — plan for both.

What's the difference between iCLASS SE and Seos credentials?

iCLASS SE was HID's previous-generation secure credential (AES-128, 2013-era). Seos is the current generation (2016+) — same AES-128 security, but multi-application, mobile-wallet capable, and future-proof. Seos credentials work on Seos-capable readers and on older iCLASS SE readers. iCLASS SE credentials do not work on legacy (pre-SE) iCLASS readers. See our HID Global catalog for current Seos SKUs.