Security Brands 25-K2 Ascent K2 Cellular Keypad and Reader Mount Details
The Security Brands 25-K2 Ascent K2 Cellular Keypad with Proximity Reader Mount is a cellular keypad and access-control unit for compatible gate and door applications. It is powered by the Security Brands Summit Control platform and is designed for sites that need remote management without running a traditional telephone line to the entry point.
This version is configured with proximity card reader mount for a compatible reader selected separately. Confirm the exact model number before ordering because 25-K2, 25-K2SBI, 25-K2HID, and 25-K2SK are similar but not automatically interchangeable.
What This Part Does
The Ascent K2 provides cloud-managed cellular access control for select gates and doors. Depending on the site setup, users may be granted access through app, text, voice, keypad, GuestPass QR codes, and compatible proximity-card reader methods.
- Cellular keypad access control for select gate and door applications
- Summit Control cloud-based management platform
- App, text, voice, keypad, and GuestPass QR-code access methods
- Control of up to two gates or doors when wired and configured correctly
- Video event capture with IR for low light where supported by the version
- Mounting location for a compatible proximity card reader selected separately
- Two Wiegand inputs for supported reader or device integration
Compatible With
- Select residential, HOA, apartment, commercial, and managed gate entries
- Compatible gate operators with dry-contact access-control inputs
- Compatible pedestrian doors, locks, strikes, or relays when designed by a qualified technician
- Summit Control account and cellular service setup
- Supported Wiegand readers and credentials based on the exact model
- Sites with adequate cellular coverage at the installed location
Important Compatibility Warning
The 25-K2 is the mount-only version. If the customer needs a preinstalled SecurePass, HID, or Secura Key reader, choose the matching 25-K2SBI, 25-K2HID, or 25-K2SK version where available. The installed reader, credential format, facility code, relay wiring, Wiegand wiring, cellular signal, and service plan must all match the project. Do not order by housing style alone.
Similar Parts That Are Not Automatically Interchangeable
- 25-K2 reader-mount version - reader selected separately
- 25-K2SBI SecurePass version - includes Security Brands SecurePass reader
- 25-K2HID HID version - uses HID ProxPoint Plus reader and may be special order
- 25-K2SK Secura Key version - Secura Key reader version with availability and replacement-path concerns
- Ascent C2 or C4 controllers - access-control controllers without the same keypad/reader layout
- Ascent X2, M3, and M8 multi-tenant systems - directory/telephone entry products with different user interface
Not Intended For
- Sites without acceptable cellular coverage or service activation path
- Replacing another reader model without checking credential format
- High-voltage gate operator repair or power wiring
- Bypassing gate safety devices, photo eyes, safety edges, fire access, or emergency access
- Installations where a non-cellular hardwired access system is required
- Applications needing a different reader brand, credential format, or tenant directory system
Features and Specifications
| Specification | Details |
|---|
| Brand | Security Brands / AAS |
| Model | 25-K2 |
| Product Type | Cellular keypad access-control system |
| Platform | Summit Control cloud-based management |
| Access Methods | App, text, voice, keypad, GuestPass QR code, and supported reader methods |
| Gate / Door Control | Up to 2 gates or doors when configured correctly |
| Cellular | 4G LTE cellular with automatic network selection; verify service and coverage |
| User / Code Capacity | Plan and version dependent; verify current Summit Control limits |
| Reader Configuration | Reader mount only; reader sold separately unless otherwise stated |
| Wiegand | 2 Wiegand inputs |
| Construction | Stainless-steel faceplate with powder-coated steel enclosure |
| Package Contents | Keypad/access-control unit and model-specific reader or mount; verify power supply, instructions, and accessories before publishing |
Also Known As / Related Part Numbers
- 25-K2
- SB-25-K2
- AAS 25-K2
- Security Brands 25-K2
- Ascent K2
- Security Brands Ascent cellular keypad
Related Parts and Service Checks
- Perform a cellular site survey before installation
- Confirm the reader type and credential format before ordering cards or fobs
- Verify relay wiring to the gate operator or door controller
- Confirm power supply requirements and grounding practices
- Confirm Summit Control account setup, plan limits, and administrator access
- Verify emergency access, fire access, and gate safety devices remain operational
Technician Note
Most K2 ordering mistakes come from reader mismatch. A SecurePass card, HID credential, and Secura Key credential are not the same just because they are all proximity cards. Match the reader and credential system before the unit is installed.
Before Ordering Checklist
- Confirm the exact model number is 25-K2
- Confirm the needed reader configuration
- Confirm cellular coverage at the mounting location
- Confirm gate or door control wiring and relay requirements
- Confirm credentials and facility codes if cards or fobs will be reused
- Confirm plan limits, activation, and administrator access
- Confirm local code, fire access, emergency access, and UL 325 safety requirements
Installation and Service Notes
Install and wire this access-control system only in accordance with the gate operator, door hardware, and Security Brands instructions. Use a qualified low-voltage, gate, or access-control technician when relay wiring, Wiegand wiring, cellular setup, or safety-related circuits are unclear.
Professional Advisory
For South Florida and Hialeah Gardens area projects, confirm cellular signal at the pedestal or wall-mount location before scheduling the installation. Concrete walls, metal gates, equipment rooms, and dense landscaping can affect signal and service reliability.
Product Questions & Answers
What is the 25-K2 Ascent K2 used for?
The 25-K2 Ascent K2 is used for cellular gate or door access control where users may be managed through Summit Control and granted access by keypad, app, text, voice, QR code, and supported reader methods.
Does the 25-K2 include a proximity reader?
The reader configuration depends on this exact model. The 25-K2 has a reader mount only, while 25-K2SBI, 25-K2HID, and 25-K2SK are reader-specific versions. Confirm the model before ordering.
Can the Ascent K2 control more than one gate or door?
The Ascent K2 platform is commonly listed for control of up to two gates or doors when wired and configured correctly. Final control depends on relay wiring, gate or door hardware, and system setup.
Does this cellular keypad need a landline?
No landline is normally required for Ascent cellular access control, but the site must have adequate cellular coverage and an active service plan through the supported platform.
Will existing cards or fobs work with this K2 model?
Existing credentials work only if the reader type, credential frequency, facility code, and Wiegand format are compatible. Do not assume HID, SecurePass, and Secura Key credentials are interchangeable.
What should be checked before installation?
Check cellular signal, power, relay wiring, Wiegand wiring, reader type, credential format, enclosure location, gate safety devices, emergency access, and the Summit Control account or plan.
Can this keypad bypass a failed safety device?
No. The keypad or access-control relay should never be used to bypass photo eyes, safety edges, fire access, emergency access, or gate operator safety circuits.
Is a monthly or service plan required?
The Ascent platform is cloud and cellular based, so activation, cellular service, and plan limits should be confirmed before installation or account setup.
