Buyer’s noteBuilding access controlPick reader technology first — smart credentials over prox for anything new — then controllers and software follow.

Access Control

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  • Save $726.01
    SDC S6103PU36ESP RIM Panic Controller 630 36in
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    SDC S6103PU36ESP

    SDC S6103PU36ESP RIM Panic Controller 630 36in

    36in RIM panic controller for up to 63 doors and 250k credentials

    • Controls up to 63 doors and 250,000 credentials on a single controller.
    • OSDP and TCP/IP dual-protocol support integrates with Genetec, Honeywell, and Salto.
    • Motorized ELR retracts latchbolt on command, enabling automated door operator sync.
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    SDC S6103PU36SP 63-Door Access Control Controller
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    SDC S6103PU36SP

    SDC S6103PU36SP 63-Door Access Control Controller

    63-door controller with 250k credentials and multi-protocol card support

    • Manages up to 63 doors from a single controller, reducing infrastructure complexity.
    • Stores 250,000 user credentials locally, supporting enterprise-scale deployments without extra hardware.
    • Simultaneously accepts DESFire, MIFARE, NFC, and 125 kHz prox cards via OSDP and TCP/IP.
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    $925.00 $544.99 Save $380.01
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  • Save $1,129.01
    Sdc/Security Door Controls S6201PU36101ND S6201 Panic Controller
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    SDC S6201PU36101ND

    SDC S6201PU36101ND Panic Controller

    Surface-mount controller for up to 63 doors with 250,000 user credentials

    • Manages up to 63 doors and 250,000 credentials locally, eliminating WAN dependency.
    • OSDP and TCP/IP dual communication removes proprietary middleware from your stack.
    • Supports DESFire, MIFARE, NFC, and 125kHz prox on a single reader interface.
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    $2,902.00 $1,772.99 Save $1,129.01
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  • Save $944.51
    SDC S6203PU36EEK Access Control Door Controller 63-Door
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    SDC S6203PU36EEK

    SDC S6203PU36EEK Access Control Door Controller 63-Door

    63-door networked controller supporting 250,000 credentials

    • Manages up to 63 doors and 250,000 credential records from a single controller.
    • Native OSDP and TCP/IP eliminate middleware when integrating with Genetec, Milestone, or Honeywell.
    • Supports DESFire, MIFARE, NFC 13.56 MHz, and 125 kHz prox—no hardware swap when migrating cards.
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    $2,347.50 $1,402.99 Save $944.51
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  • Save $1,018.01
    SDC S6303PLRU36REEEMS Multi-Credential Door Controller
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    SDC S6303PLRU36REEEMS

    SDC S6303PLRU36REEEMS Multi-Credential Door Controller

    63-door controller with 250,000 credentials and multi-tech reader support

    • Manages up to 63 doors and 250,000 credentials from a single wired controller.
    • Supports DESFire, MIFARE, NFC, and 125 kHz prox simultaneously—no reader swap needed.
    • TCP/IP and OSDP integration enables interoperable deployment with third-party platforms.
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    $2,616.00 $1,597.99 Save $1,018.01
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  • Save $0.01
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    SDC 00518A

    SDC Security Door Controls 00518A Precision 2100 Switch Kit

    OSDP controller with NFC 13.56MHz and dual proximity/keypad input

    • OSDP communication ensures compatibility with certified access control panels and VMS platforms.
    • Supports NFC 13.56MHz and keypad inputs simultaneously, enabling mixed-credential deployments.
    • Lifetime warranty reduces long-term replacement risk in high-availability door control installations.
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  • Save $0.01
    SDC Security Door Controls 006-007-10 MTG Reinforcement Plate
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    SDC 006-007-10

    SDC Security Door Controls 006-007-10 MTG Reinforcement Plate

    Steel reinforcement plate for SDC TCP/IP access control systems

    • Distributes mounting load across a wider surface, reducing stress on door frames.
    • Compatible with HID proximity and NFC/13.56MHz credentials for mixed-reader deployments.
    • Supports TCP/IP networked access control installations with a lifetime warranty.
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  • Save $407.01
    Sdc Security Door Controls 1581SNDVD Door Lock Strike
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    SDC 1581SNDVD

    Sdc Security Door Controls 1581SNDVD Door Lock Strike

    Networked electronic strike for 63-door enterprise access control

    • 650 lb holding force with 15–30 sec field-adjustable delay meets NFPA 101 and CBC codes.
    • 12/24 VDC auto-sensing eliminates jumper config and fits standard aux power or PoE rails.
    • Remote reset plus fire/emergency release and DPS/BAS outputs integrate into existing BAS.
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    $1,137.00 $729.99 Save $407.01
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  • Save $93.01
    SDC Security Door Controls 210HV 210 Lock 12/24VDC
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    SDC 210HV

    SDC Security Door Controls 210HV 210 Lock 12/24VDC

    24VDC electric strike with OSDP for proximity and NFC access

    • Native OSDP support connects directly to HID, Salto, and DoorKing panels—no converters needed.
    • Dual 12/24VDC input is compatible with standard commercial power supplies and UPS backup systems.
    • Accepts 125kHz proximity and 13.56MHz NFC credentials via any standards-compliant reader hardware.
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    $228.00 $134.99 Save $93.01
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  • Save $59.01
    SDC Security Door Controls 290LS Micro Cabinet Lock
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    SDC 290LS

    SDC Security Door Controls 290LS Micro Cabinet Lock

    Compact NFC cabinet lock with OSDP integration for access control

    • Field-selectable 12/24 VDC ±10% eliminates dedicated PSU on mixed-voltage sites.
    • SPDT BPS relay (5A @ 30VDC) confirms bolt state, cutting false-open audit entries.
    • OSDP-compatible with NFC/13.56 MHz readers and keypads; lifetime warranty included.
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  • Save $74.01
    SDC Security Door Controls 413MNU Integrated Controller
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    SDC 413MNU

    SDC Security Door Controls 413MNU Integrated Controller

    10-door controller with 250K user capacity and multi-credential support

    • Fixed 30-second DPDT relay (3A/30VDC) drives strikes or mag-locks without external timer modules.
    • Supports 250,000 users across 10 doors with DESFire, MIFARE, NFC, and 125kHz prox credentials.
    • OSDP communication and 12/24VDC ±10% input integrate cleanly into standard access control power distributions.
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    $180.00 $105.99 Save $74.01
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  • Save $41.01
    SDC Security Door Controls 414NU 410 Series Momentary DPDT
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    SDC 414NU

    SDC Security Door Controls 414NU 410 Series Momentary DPDT

    24VDC momentary DPDT controller for door strikes and EM locks

    • DPDT relay controls two strike circuits independently—no external relay modules needed.
    • OSDP backbone reports credential and relay state directly to Salto, Lenel, or Gallagher panels.
    • 24VDC input accepts PoE+ or dedicated PSU, reducing voltage sag on extended cable runs.
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    $107.00 $65.99 Save $41.01
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  • Save $72.01
    SDC Security Door Controls 423MUL1G 10-Door Controller
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    SDC 423MUL1G

    SDC Security Door Controls 423MUL1G 10-Door Controller

    10-door controller with multi-credential support for mixed deployments

    • Manages 10 doors and 250,000 users without additional hardware or licensing tiers.
    • Accepts DESFire, MIFARE, NFC, and 125kHz prox on one controller—no credential-specific hardware.
    • OSDP communication integrates directly with third-party ACS platforms over 24VDC or PoE.
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    $207.00 $134.99 Save $72.01
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  • Save $61.01
    SDC Security Door Controls 446U Momentary DPST Exit Controller
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    SDC 446U

    SDC Security Door Controls 446U Momentary DPST Exit Controller

    DPST momentary exit controller for 24VDC access systems with OSDP

    • DPST 6A/30VDC contacts switch strike release and audit relay simultaneously.
    • OSDP wired integration connects directly to Salto, Vanderbilt controllers, no relay modules.
    • 24VDC ±10% input (21.6–26.4V) fits standard access control power rails with no conversion.
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    $157.00 $95.99 Save $61.01
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  • Save $78.01
    SDC Security Door Controls 451V Vandal Resistant Push Switch
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    SDC 451V

    SDC Security Door Controls 451V Vandal Resistant Push Switch

    Vandal-resistant 10-door controller with encrypted OSDP for secure access

    • Manages 10 doors and 250,000 credentials from a single 30VDC controller.
    • Encrypted OSDP secures tamper-alarm and credential traffic end-to-end.
    • Supports DESFire, MIFARE, NFC, and 125kHz prox—no mixed-protocol readers needed.
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    $190.00 $111.99 Save $78.01
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  • Save $111.01
    SDC Security Door Controls 484A2U Exit Switch Controller
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    SDC 484A2U

    SDC Security Door Controls 484A2U Exit Switch Controller

    Multi-door controller for 63 exits with 250K credential capacity

    • Manages 63 exit points from one wired node, cutting per-door reader infrastructure costs.
    • 250,000-credential local cache keeps door response fast during network interruptions.
    • DESFire, MIFARE, NFC, and 125kHz support allows staged badge migration without a forklift.
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    $272.00 $160.99 Save $111.01
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  • Save $222.01
    SDC Security Door Controls 55-CU Electric Strike 12/24V
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    SDC 55-CU

    SDC Security Door Controls 55-CU Electric Strike 12/24V

    630 lbs electric strike with 12/24V dual voltage for access control

    • 630 lb holding force exceeds ANSI/BHMA A156.3 for high-traffic perimeter doors.
    • Dual 12/24VDC input eliminates strike family splits across legacy and modern deployments.
    • OSDP and TCP/IP support up to 4 doors and 250,000 users without vendor lock-in.
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    $540.00 $317.99 Save $222.01
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  • Save $83.01
    SDC Security Door Controls CR4 4-Door Control Board
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    SDC CR4

    SDC Security Door Controls CR4 4-Door Control Board

    4-door access control board with 250K credentials over OSDP

    • Controls four independent door relays from a single 24VDC board, reducing hardware sprawl.
    • OSDP communication ensures interoperability across readers and platforms without vendor lock-in.
    • Stores up to 250,000 credentials locally, eliminating real-time database queries per transaction.
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    $204.00 $120.99 Save $83.01
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  • Save $203.01
    SDC Security Door Controls E6200 Excel Industrial Series
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    SDC E6200

    SDC Security Door Controls E6200 Excel Industrial Series

    Industrial lock/strike with 3-in-1 credential reader and OSDP control

    • 3-in-1 NFC/13.56MHz, proximity, and keypad reader cuts panel ports and conduit runs.
    • OSDP protocol enables native integration with Genetec, Salto, Identiv, and Tyco platforms.
    • Direct retrofit for Securitron M62 and Locknetics 70 at 24VDC; no new power supply needed.
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    $523.00 $319.99 Save $203.01
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  • Save $0.01
    SDC Security Door Controls E6U Class Door Kit Reader
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    SDC E6U

    SDC Security Door Controls E6U Class Door Kit Reader

    NFC + keypad reader for SDC E600 glass door systems with OSDP

    • Dual NFC/13.56 MHz and PIN keypad credentials reduce single-factor access risk.
    • OSDP communication ensures compatibility with modern access control panels.
    • Drop-in fit for SDC E600 glass door frames requires no drilling or modification.
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  • Save $545.01
    SDC Security Door Controls E75PSQE1Q Keypad Lock/Strike
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    SDC E75PSQE1Q

    SDC Security Door Controls E75PSQE1Q Keypad Lock/Strike

    Keypad lock/strike for 2 doors, supports 250K users with multiple credential types

    • Stores up to 250,000 PIN users locally — no panel or network required.
    • Runs on 12VDC or 4× AA batteries, rated for 100,000 cycles per charge.
    • Operates from -4°F to +140°F, suitable for unheated or exterior installs.
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    $1,325.00 $779.99 Save $545.01
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  • Save $70.01
    SDC Security Door Controls EH1024120A EH10 Flush Lock/Strike
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    SDC EH1024120A

    SDC Security Door Controls EH1024120A EH10 Flush Lock/Strike

    Flush lock/strike for networked access control up to 10 doors

    • Supports DESFire, MIFARE, NFC, and 125 kHz Prox from a single reader—no parallel infra.
    • OSDP and TCP/IP protocols enable direct integration with Hirsch, Honeywell, Salto, and Genetec.
    • Scales to 250,000 user records across up to 10 doors on one networked installation.
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    $171.00 $100.99 Save $70.01
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  • Save $1,024.01
    SDC Security Door Controls EP499-R Explosion Proof Controller
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    SDC EP499-R

    SDC Security Door Controls EP499-R Explosion Proof Controller

    Explosion-proof 4-door controller for hazardous industrial locations

    • Manages 4 independent doors in a single explosion-proof enclosure, cutting hazardous-area wiring complexity.
    • Stores 250,000 HID credentials onboard, eliminating frequent reprogramming on large multi-shift sites.
    • Supports OSDP and TCP/IP with Wiegand fallback, ensuring connectivity even when the network is unavailable.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $2,863.00 $1,838.99 Save $1,024.01
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  • Save $30.01
    SDC Security Door Controls IC-UR48-SPEC 4-Door Controller
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    SDC IC-UR48-SPEC

    SDC Security Door Controls IC-UR48-SPEC 4-Door Controller

    4-door access controller with 250,000 user capacity for multi-door facilities

    • Controls 4 doors with independent access policies, eliminating separate single-door controllers.
    • Stores 250,000 credential profiles on-device, supporting large campuses without memory limits.
    • OSDP and TCP/IP connectivity enables encrypted reader comms and remote credential management.
    Usually Ships in 2-3 Weeks Free shipping over $499
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  • Save $243.01
    SDC Security Door Controls LR100ARK Electric Latch Retraction
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    SDC LR100ARK

    SDC Security Door Controls LR100ARK Electric Latch Retraction

    Multi-door controller for 63 doors and 250,000 credentials

    • Retrofits onto 26+ exit device brands in 36"–48" openings without door surgery.
    • 700 mA inrush motor runs on standard 12V/24V circuits—no power supply oversizing needed.
    • Motor-driven mechanism sustains higher cycle counts and operates quieter than solenoid designs.
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    $733.00 $489.99 Save $243.01
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  • Save $0.01
    SDC Security Door Controls LRY61R Yale Retrofit Monitoring Kit
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    SDC LRY61R

    SDC Security Door Controls LRY61R Yale Retrofit Monitoring Kit

    Yale retrofit controller for 63 doors with multi-credential support

    • Controls up to 63 doors and 250,000 credentials without replacing existing hardware.
    • Accepts DESFire, MIFARE, NFC, and 125kHz prox—preserving current card stock investments.
    • OSDP and TCP/IP dual-protocol support enables multi-vendor platform integration.
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  • Save $44.01
    SDC Security Door Controls MC-4MU SPDT Concealed Magnetic
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    SDC MC-4MU

    SDC Security Door Controls MC-4MU SPDT Concealed Magnetic

    4-door controller with 250K user capacity, OSDP/TCP-IP networked

    • Manages 4 independent doors from one controller, reducing panel count on multi-entrance sites.
    • Stores up to 250,000 credentials locally—no secondary controllers needed as facility headcount grows.
    • OSDP and TCP/IP support enables LAN-based policy management and audit logging over standard Ethernet.
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    $115.00 $70.99 Save $44.01
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  • Save $155.01
    SDC Security Door Controls MC-4PAK 4-Door Access Controller
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    SDC MC-4PAK

    SDC Security Door Controls MC-4PAK 4-Door Access Controller

    4-door controller with 250K credential capacity for networked access

    • Manages 4 independent access points from one controller, reducing cabinet footprint.
    • Stores up to 250,000 HID credentials locally, eliminating dependency on a remote server.
    • OSDP and TCP/IP dual-protocol support enables encrypted reader comms and direct LAN integration.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $400.00 $244.99 Save $155.01
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  • Save $13.01
    SDC Security Door Controls MR Manual Reset 600 Series
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    SDC MR

    SDC Security Door Controls MR Manual Reset 600 Series

    Manual reset accessory for SDC 600 Series power supplies

    • Resets 600 Series power supply faults without power cycling or external tools.
    • Mounts directly into the 600 Series enclosure for clean, in-cabinet installation.
    • Lifetime warranty backs field-deployed fault-recovery operations long-term.
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    $48.00 $34.99 Save $13.01
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  • Save $63.01
    SDC Security Door Controls MS-18 Deadbolt Monitor
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    SDC MS-18

    SDC Security Door Controls MS-18 Deadbolt Monitor

    TCP/IP networked deadbolt monitor with real-time lock status feedback

    • SPDT contact closure rated 5A @ 30VDC integrates directly into hardwired control panels.
    • TCP/IP connectivity delivers real-time deadbolt position feedback to networked panels or VMS.
    • Compact 4-13/16" x 11/16" profile fits standard mortise cavities with no frame modification.
    Usually Ships in 2-3 Weeks Free shipping over $499
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  • Save $70.01
    SDC Security Door Controls PTH-4Q 4-Door Access Controller
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    SDC PTH-4Q

    SDC Security Door Controls PTH-4Q 4-Door Access Controller

    4-door access controller with 250K user capacity and OSDP/TCP/IP

    • Manages four independent door circuits from one controller, cutting panel real estate and wiring runs.
    • Stores 250,000 user records onboard, removing external LDAP dependency for mid-sized campus deployments.
    • OSDP and TCP/IP support enables encrypted reader comms and direct integration with Genetec and Milestone.
    Usually Ships in 2-3 Weeks Free shipping over $499
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  • Save $631.01
    SDC Security Door Controls S6101PU36RE Rim Panic Controller
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    SDC S6101PU36RE

    SDC Security Door Controls S6101PU36RE Rim Panic Controller

    63-door controller with multi-credential support for enterprise access

    • Manages 63 independent doors from one 24VDC controller, eliminating cascading hardware.
    • 250,000-user local database removes server dependency during network latency or outages.
    • Native OSDP and TCP/IP support encrypted reader links and Ethernet integration without middleware.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $1,765.00 $1,133.99 Save $631.01
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    SDC S6102PU36ESP Security Door Controls S6102PU36ESP 36in ELR Controller
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    SDC S6102PU36ESP

    Sdc Security Door Controls S6102PU36ESP 36in ELR Controller

    36in ELR controller for up to 63 doors with 250,000 user credentials

    • Controls up to 63 doors from one unit, scaling campus deployments without added hardware.
    • Supports DESFire, MIFARE, NFC, and 125kHz prox for phased migration across credential types.
    • Stores 250,000 user credentials centrally via OSDP and TCP/IP for enterprise-grade management.
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  • Save $813.01
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    SDC S6203PU36E

    SDC Security Door Controls S6203PU36E Surface Panic Controller

    Surface panic controller for up to 63 doors with 250k credential capacity

    • Manages up to 63 doors from one controller node, eliminating distributed sub-controllers.
    • Stores 250,000 user credentials natively—no extra licensing or expansion modules required.
    • Simultaneous DESFire, MIFARE, NFC, and 125kHz support simplifies mixed-inventory deployments.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $2,090.00 $1,276.99 Save $813.01
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  • Save $178.01
    SDC Security Door Controls WPT Wireless Power Transfer Device
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    SDC WPT

    SDC Security Door Controls WPT Wireless Power Transfer Device

    Enterprise wireless power controller for up to 63 doors, 250K users

    • RF power transfer across the door gap removes core drilling on wood and steel frames.
    • Selectable 12VDC/600mA or 24VDC/300mA output matches most electrified locks without adapters.
    • OSDP and TCP/IP support scales to 63 doors and 250,000 credentials with no proprietary gateways.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $459.00 $280.99 Save $178.01
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  • Save $256.01
    SDC Security Door Controls Z7250GQR 7200 Series Solenoid
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    SDC Z7250GQR

    SDC Security Door Controls Z7250GQR 7200 Series Solenoid

    24VDC solenoid strike for multi-door access control up to 63 doors

    • Supports up to 63 doors per controller, consolidating mid-large panel infrastructure.
    • Accepts DESFire, MIFARE, NFC, and 125kHz Prox—no reader swap during credential migration.
    • Native OSDP and TCP/IP eliminate gateway translation on Hirsch, Axis, Salto, and Salto X.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $660.00 $403.99 Save $256.01
    The item has been added Add to quote
    $660.00 $403.99 Save $256.01
    Save $256.01 Add to cart Add to quote

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