
Hikvision Wireless Touch Keypad 433 MHz | DS-PKA-WLM-433
The Hikvision DS-PKA-WLM-433 is a round wireless touch keypad that connects to a Hikvision wireless security control panel over two-way 433 MHz communication. It is used to arm, disarm and clear alarms with a code or a standard IC card, reaches up to 800 m from the panel in an open area and runs on 4 AA batteries with a battery life of 3 years.
Key Features
Full Touch Screen with Backlight: The keypad has a full touch-screen design with LED backlight, so the keys stay readable in a dark hallway. It has 10 numeric keys (0 to 9) and 6 function keys: fire alarm, away arming, stay arming, disarming, delete and confirm.

Card Arming and Patrol Check-In: A built-in reader accepts standard IC cards, so users can arm or disarm by presenting a card instead of typing a code. A separate patrol card (different from the arming/disarming card) can be used for guard check-ins.
Secure Two-Way Wireless: The keypad talks to the control panel over the Hik wireless protocol at 433 MHz in both directions, with AES-128 encryption. The range is up to 800 m in an open area, so it can be placed by the entrance without running cables.

Battery Powered: It runs on 4 AA batteries (3 VDC input) with a battery life span of 3 years, so no power supply is needed at the mounting point. A tamper switch and a built-in buzzer are included.
Who it's for / Works with
Hikvision wireless security control panels that use the Hik wireless protocol at 433 MHz (control panel sold separately).
Good to know
- This is the 433 MHz version. Hikvision also makes an 868 MHz version (DS-PKA-WLM-868), so the keypad and the control panel must use the same frequency.
- Batteries: 4 x AA.
Technical Specifications
| Model | DS-PKA-WLM-433 |
| RF frequency | 433 MHz |
| RF modulation | 2GFSK |
| RF power | 10 dBm |
| RF speed | 10 kbps |
| RF distance | 800 m (open area) |
| Protocol | Hik wireless protocol, two-way communication with the wireless control panel |
| Encryption | AES-128 |
| Card | Standard IC card swiping |
| Keys | 10 numeric keys (0 to 9); 6 function keys (fire alarm, away arming, stay arming, disarming, delete, confirm) |
| Tamper switch | 1 |
| Buzzer | 1 |
| Serial port | 1, reserved |
| Power | 3 VDC, 4 x AA batteries |
| Battery life span | 3 years |
| Operating temperature | -10 °C to +55 °C |
| Operating humidity | 10% to 90% (non-condensing) |
| Dimensions | φ131.5 mm, height 23 mm |
📄 Datasheet: Download the official Hikvision DS-PKA-WLM-433 datasheet (PDF)
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