Apartment, Multifamily & Rental Property Access Control
Apartment building access control hardware: anti-clone readers with matched fob sets, QR visitor codes, 4G controllers for rentals and UHF tags for gates.
ValenID · valenid.com · sales@valenid.com
SK-110 Touch RFID Keypad Standalone Access Controller
Touch-panel keypad controller that stores up to 5,000 users and switches its own lock relay. Choose 125 kHz EM, 13.56 MHz MIFARE or an anti-copy 13.56 MHz build.
- Card, PIN or card + PIN entry, decided on the keypad itself with no panel required
- User capacity from 1,000 to 5,000, specified at order
- 125 kHz EM4100/EM4200 or 13.56 MHz MIFARE Classic, Plus, DESFire, Ultralight and NTAG UIDs
- Wiegand D0/D1 or TXD/RXD serial on the same two leads, set by DIP switches 5 and 6
- Door-sensor, tamper and wrong-PIN alarms, plus doorbell and AUX+ terminals
- Frequency
- 125 kHz or 13.56 MHz (by variant)
- User capacity
- 1,000–5,000 users
- Access modes
- Card / PIN / Card + PIN
- Outputs
- Lock relay (NO/COM/NC) + Wiegand
- Power
- 12 V DC ±5%, ≤ 150 mA
- Dimensions
- 113 × 75 × 16 mm
Reply within 24 hours Tested before dispatch Worldwide shipping
Touch RFID Keypad Standalone Access Controller: overview
The SK-110 is a single-door standalone access controller built around a touch keypad. It reads the credential, checks it against its own user list and switches the lock relay, so the door runs with no panel or PC behind it. Entry can be set to card only, PIN only or card plus PIN.
Pick the reader frequency to match your cards. The SK-110-E reads 125 kHz EM4100, EM4102 and EM4200-compatible cards and fobs. The SK-110-M reads UIDs from 13.56 MHz MIFARE Classic, MIFARE Plus, MIFARE DESFire, MIFARE Ultralight and NTAG2xx credentials, and is also offered as an economy M-LT build without potted electronics. The SK-110-MS is an anti-copy version for sites that want clone-resistant cards. User capacity is specified between 1,000 and 5,000 at order.
Management cards (an add card and a delete card) speed up enrollment, and the illuminated keypad stays readable in dim corridors. The controller raises alarms for door-sensor events, tampering and repeated wrong PINs, and users can be copied to another unit or managed from a PC. A reader mode, which turns the unit into a Wiegand keypad reader for an existing panel, is available as an option.
Integration notes
The 13-lead harness carries 12 V DC power, NO/COM/NC relay contacts, door sensor, exit button, alarm, doorbell and AUX+ connections. DIP switches 5 and 6 set the green and white leads to Wiegand D0/D1 or TXD/RXD serial. No IP rating is published for this model, so mount it indoors or under cover. Programming steps are in our keypad programming guide.
More features
- Compact 113 × 75 × 16 mm illuminated touch panel, 12 V DC
SK-110 specifications
RF & credentials
| Frequency | 125 kHz (SK-110-E) or 13.56 MHz (SK-110-M, -M-LT, -MS) |
|---|---|
| 125 kHz credentials | EM4100, EM4102 and EM4200-compatible cards and key fobs (thick, thin and fob formats) |
| 13.56 MHz credentials | MIFARE Classic Mini/EV1, MIFARE Plus S/X, MIFARE DESFire EV1/EV2/EV3/Light, MIFARE Ultralight/Ultralight C/Ultralight EV1, NTAG2xx (UID read) |
| Anti-copy option | SK-110-MS: dedicated anti-copy encrypted cards plus MIFARE UIDs |
| Read range | 0–3 cm (depends on credential and installation) |
Access control
| User capacity | 1,000–5,000 users (capacity option) |
|---|---|
| Access modes | Card, PIN, card + PIN |
| Door open time | 0–99 s, adjustable |
| Enrollment | Setting mode or management cards (add card / delete card) |
| Alarms | Door sensor, tamper, repeated wrong PIN |
| Other functions | User copy between units, PC user management, security level setting |
| Operating mode | Standalone; reader mode optional |
Interfaces & wiring
| Lock output | Relay, NO / COM / NC contacts |
|---|---|
| Data output | Wiegand D0/D1 or TXD/RXD serial, selected by DIP switches 5 and 6 |
| Inputs | Door sensor (SEN), exit button (BUT) |
| Other leads | Alarm linkage (AL), auxiliary (AUX+), doorbell (BELL+ / BELL–) |
| Harness | 13 color-coded leads |
Electrical
| Supply voltage | 12 V DC ±5% |
|---|---|
| Current draw | ≤ 150 mA (keypad only, excluding lock) |
| Output short-circuit protection | < 100 µs response |
Mechanical & environment
| Keypad | Touch keys, illuminated |
|---|---|
| Dimensions | 113 × 75 × 16 mm (±1 mm) |
| Electronics | Potted (standard builds); not potted (SK-110-M-LT) |
| Operating temperature | –20 to +60 °C |
| Storage temperature | –20 to +80 °C |
| Humidity | 20–80% RH |
Variant matrix
| Variant | Frequency | Credentials | Build |
|---|---|---|---|
| SK-110-E | 125 kHz | EM4100 / EM4102 / EM4200 cards and fobs | Standard |
| SK-110-M | 13.56 MHz | MIFARE Classic, Plus, DESFire, Ultralight, NTAG2xx (UID) | Standard, potted |
| SK-110-M-LT | 13.56 MHz | MIFARE Classic, Plus, DESFire, Ultralight, NTAG2xx (UID) | Economy, not potted |
| SK-110-MS | 13.56 MHz | Dedicated anti-copy encrypted cards + MIFARE UIDs | Standard |
Wiring (13 color-coded leads)
| Wire color | Label | Function |
|---|---|---|
| Red | +12 V | Power, 12 V DC |
| Black | GND | Ground |
| Yellow | NC | Relay, normally closed |
| Pink | COM | Relay common |
| Blue | NO | Relay, normally open |
| Light blue | SEN / LED | Door sensor input / LED control (reader-mode builds) |
| Gray | BUT / BEEP | Exit button input / beeper control (reader-mode builds) |
| Orange | AL | Alarm linkage |
| Light green | AUX+ | Auxiliary linkage |
| Purple | BELL+ | Doorbell |
| Brown | BELL– | Doorbell |
| Green | WD0 / RXD | Wiegand D0 or serial RXD (DIP 5, 6) |
| White | WD1 / TXD | Wiegand D1 or serial TXD (DIP 5, 6) |
Green and white leads carry Wiegand or serial data depending on DIP switches 5 and 6.
Specifications can change between production batches. Confirm the current revision with us before placing volume orders.
Ordering options
Quote the SKU that matches your frequency, interface and mounting. Not sure? Send us your controller model and we will pick the variant for you.
| SKU | Configuration | Actions |
|---|---|---|
| SK-110-E | 125 kHz EM4100/EM4200-compatible touch keypad controller | |
| SK-110-M | 13.56 MHz MIFARE/NTAG UID touch keypad controller, potted electronics | |
| SK-110-M-LT | 13.56 MHz MIFARE/NTAG UID, economy build without potting | |
| SK-110-MS | 13.56 MHz anti-copy version for dedicated encrypted cards, also reads MIFARE UIDs |
Where the SK-110 is used
- Staff-only office door where employees use a PIN and contractors carry cards
- Storeroom or comms-room door that needs card plus PIN as a second factor
- Studio or small gym side entrance with members enrolled by card
- Retrofit beside an existing panel as a Wiegand keypad reader (reader-mode option)
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SK-110 FAQ
Which cards does the SK-110 read?
The SK-110-E reads 125 kHz EM4100, EM4102 and EM4200-compatible cards and fobs. The 13.56 MHz versions read UIDs from MIFARE Classic, Plus, DESFire, Ultralight and NTAG2xx credentials, and the SK-110-MS also works with dedicated anti-copy cards.
Can it send card data to another access controller?
Yes. With DIP switches 5 and 6 set for Wiegand, the green and white leads carry D0 and D1. In the other position the same leads become a TXD/RXD serial port.
What is the difference between SK-110-M and SK-110-M-LT?
Both read the same 13.56 MHz credentials. The SK-110-M has potted electronics, while the M-LT is an economy build without potting for dry indoor positions.
How should I size the power supply?
The keypad needs 12 V DC ±5% and draws no more than 150 mA. Add the lock current on top of that when choosing the supply.
Can the SK-110 be installed outdoors?
No IP rating is published for this model, so install it indoors or under cover. For exposed doors, choose the IP65 SK-120 or the IP67 SK-140.
Before you buy
Related buyer guides
Wiegand vs OSDP vs RS485: Which Reader Interface Should You Specify?
Compare Wiegand, OSDP and RS485 reader interfaces: wiring, cable limits, AES-128 Secure Channel and steps for a compatible access-control migration.
Magnetic Lock Wiring Diagrams: Maglock, Exit Button, Power Supply and Reader
Maglock wiring with dry-relay COM/NC: keypad and reader diagrams, REX signals, approved egress release paths and manufacturer-specific suppression.
Fail-Safe vs Fail-Secure Locks: How to Choose for Each Door
A fail-safe lock releases when power is cut; a fail-secure lock stays locked. Learn which to use per door, how to wire NO/NC, and what egress codes expect.
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Get pricing for the SK-110
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