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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

Sub categories

Cellular Communicators

12 items

Intrusion Panels

37 items

Keypads & Touchscreens

18 items

Motion & Glass Break Detectors

29 items

Sirens & Sounders

7 items

Wireless Sensors

51 items

Access Cards & Credentials

16 items

Access Hubs & Controllers

21 items

Card Readers

42 items

Control Systems

184 items

Credentials

344 items

Door Controllers

78 items

Door Hardware & I/O

1195 items

Door Locks & Strikes

286 items

Fire & Life Safety

94 items

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HES

SKU: RP-09L

HES RP-09L Remote Plate Red Green LED Signal

Dual red/green LED remote signal plate for HES access control systems
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HES

SKU: RP-09L302

HES RP-09L302 Electric Strike 302SS Plate

302 stainless steel electric strike for fail-safe/fail-secure access control
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HES

SKU: RP-09LSLIMLINE

HES RP-09LSLIMLINE Electric Strike Slimline Plate

No-modify slimline strike for hollow metal frames, 12/24V DC
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HES

SKU: RP-09SLIMLINE

HES RP-09SLIMLINE Stainless Steel LED Indicator Plate

Compact stainless steel dual-LED indicator plate for HES access control
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HES

SKU: RP-100

HES RP-100 Radius Faceplate for Electric Strikes

Radius faceplate for HES electric strikes with precision alignment
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HES

SKU: RP-100302

HES RP-100302 Electric Strike 450A Stainless Steel

450A stainless steel electric strike with fail-safe N/O operation
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HES

SKU: RP-100P/O

HES RP-100P/O Stainless Steel Mounting Plate 5/8 Inch

Stainless steel mounting plate with 5/8" hole for HES electric strikes
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HES

SKU: RP-20

HES RP-20 Radius Faceplate

Radius faceplate for curved door frames, direct HES strike fit
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$24.00 $14.99 Save $9.01

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HES

SKU: RP-20SLIMLINE

HES RP-20SLIMLINE Slimline Remote Plate D Hole

Slimline remote plate with D hole for compact HES lock installations
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HES

SKU: RP-24

HES RP-24 Radius Faceplate for Electric Strikes

Radius faceplate for HES electric strikes on curved door frames
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HES

SKU: RP-24SG

HES RP-24SG Single Gang Front Plate

Single gang front plate for HES RP-24 readers in standard wall boxes
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HES

SKU: RP-26

HES RP-26 Radius Faceplate for Electric Strike Systems

Radius faceplate for curved door frames with HES electric strikes
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HES

SKU: RP-26A

HES RP-26A Radius Faceplate for Electric Strikes

Radius faceplate for curved door frames in HES electric strike systems
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HES

SKU: RP-26ASLIM

HES RP-26ASLIM Remote Plate Slim Line Assembly

Slim remote plate with N/C guard ring for HES electric strikes
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HES

SKU: RP-26AWH

HES RP-26AWH White Pushbutton Guard Ring Assembly

White vandal-resistant pushbutton guard ring for fail-safe access control
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HES

SKU: RP-26SLIM

HES RP-26SLIM Slimline Remote Plate Stainless Steel

Slimline stainless steel remote plate for space-constrained access control
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Browse by Product Family

Every outdoor deployment starts with form-factor selection. Click through to shop the families that fit your scene.

Card Readers

Wiegand, OSDP, and multi-technology readers for proximity, smart card, and mobile credentials.

Keypads & PIN Readers

Standalone and networked keypads for PIN-only or PIN + card two-factor authentication.

Biometric Readers

Fingerprint, face, and iris readers for high-security access and mustering applications.

Electric Strikes

Fail-safe and fail-secure door strikes for wood, hollow-metal, and aluminum frames.

Magnetic Locks

600-lb and 1,200-lb maglocks with bond-sensor feedback for code-compliant egress.

Door Controllers

1-, 2-, 4-, 8-, and 16-door IP controllers for centralized or distributed access architecture.

Credentials & Cards

Proximity cards, smart cards, key fobs, and mobile credentials with Seos and iCLASS SE.

Power Supplies

UL 294 access-control power supplies with battery backup and lock-output control.

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.

Top Brands for Outdoor Deployments

Click through to each brand's engineering profile, product range, and NDAA compliance status.

HID Global

Seos + iCLASS SE credential platform, Signo readers, industry leader

SDC (Security Door Controls)

Electric strikes, maglocks, and exit devices — UL-listed, made in USA

HES (ASSA ABLOY)

Industry-standard electric strikes — 1006 series, KM series, surface-mount

Aiphone

Video intercoms for secure-entry applications — IX series on SIP, JP series standalone

Altronix

UL 294 access-control power supplies with battery backup

SIP-based access intercoms with video, mobile app, and cloud integration

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.

Related Categories

Adjacent equipment that typically ships together with outdoor IP cameras.

Card Readers Electric Strikes Magnetic Locks Door Controllers Credentials & Cards Biometric Readers Access Control Power Supplies SIP Intercoms IP Cameras Network Switches

Engineering Reading

Deep-dives from our engineering team on camera deployment planning.

Fail-Safe vs Fail-Secure Electric Locks Guide OSDP Migration: The Wiegand Upgrade Path Mobile Credentials vs Proximity Cards PoE Budget Planning How Many Security Cameras Do I Actually Need?