Radar Alarm 24 Ghz IP ONVIF PoE Dahua - PFR4K-B240 - Compatible with Dome PTZ Camera - 24/7 operation in all weather conditions - Wide detection range: 300m radial / Cross 240m (walking human) / Cross 150m (crawling human) - High precision - Targets up to 32 - PTZ radar connection - Front-end PTZ control - Centralized management and Smart Tracking - Multi-level Protection : Different alarm priorities, external alarm connection, people / vehicles filtering and vehicle detection with low and medium speed - 1 Alarm input / 5 Alarm outputs - 1 256 GB microSD slot (not included) - 1xRJ 45 (10Base-T / 100Base-TX) - IP67 / IK10 vandalism protection - FCC ID / CE RED certification - Dahua Technology.
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24 GHz RADAR ALARM - ONVIF® POE - RANGE UP TO 240M - COMPATIBLE WITH DOME PTZ CAMERA - 24/7 - MULTI-LEVEL PROTECTION - DAHUA - PFR4K-B240

Product details
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24 Ghz ONVIF® PoE Radar Alarm - Dahua - PFR4K-B240
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Wide range detection (max 300m radial / Cross 240m (human standing) - 150m (human lying down)
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Compatible with Dome PTZ Camera
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24/7 Operation
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High precision
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Target Filtering
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PTZ radar connection
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Front-end PTZ control
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Centralized management
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Smart Tracking
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1 input/5 outputs Alarm
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1 x 256GB microSD slot (not included)
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1 RJ 45 (10Base-T/100Base-TX)
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Multi-level Perimeter Protection: Different alarm priorities, external alarm linkage, people/vehicle filtering and low and medium speed vehicle detection
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IP67 protection for outdoor use
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IK10 protection against vandalism
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FCC ID/CE RED certification
- 24 month warranty
Technical data sheet
| Model | PFR4K-B240 |
| Performance | |
| Max. Number of Targets | 32 |
| Detection Distance | Radial 300 m (984.25 ft) (human, 0°) Cross 240 m (787.40 ft) (human, walking/running) Cross 150 m (492.12 ft) (human, crouch walking/crawling) |
| Detection Angle | Horizontal: 20° Vertical: 13° |
| Max. Detection Speed | Radial: 80 km/h Crossing: 36 km/h |
| Min. Detection Speed | 1.8 km/h |
| Distance Accuracy | ± 1.5 m (± 4.92 ft) |
| Angle Accuracy | ± 1° |
| Max. Number of Areas | 10 |
| Modulation Type | FMCW |
| Scan Frequency | 8 Hz |
| Operating Frequency | 24 GHz |
| Detection Target Type | Human and vehicle |
| Function | |
| Radar+PTZ Smart Tracking | Supported on web manager |
| Track Mode | Tour, distance priority, and time priority |
| Region Setting | Intrusion: Alarm area, pre-warning area, and shield area Tripwire: Alarm area |
| Target Filtering | Human and vehicle filtering |
| Record Mode | Manual record, scheduled record, and alarm record Record priority: Manual > Alarm > Scheduled |
| Restore Default Settings | Restore default settings with one click |
| Security Mode | Authorized user name and password, MAC address binding, HTTPS encryption, IEEE 802.1x, and network access control |
| Positioning | GPS, Glonass |
| Map Encoding | Yes |
| Network | |
| Ethernet | RJ-45 (10Base-T/100Base-TX) |
| Protocol | IPv4/IPv6, HTTP, HTTPS, SSL, TCP/IP, UDP, UPnP, ICMP, IGMP, SNMP, RTSP, RTP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, QoS, Bonjour, and 802.1x |
| Interoperability | ONVIF® Profile S&G, CGI |
| User/Host | 19 |
| Storage | NAS; FTP; micro SD card (256G) |
| Browser | IE: Versions later than IE7 Google: Versions earlier than Chrome45 Firefox: Versions earlier than Firefox46 |
| Matched Platform | DSS Pro |
| Port | |
| Alarm Input | 1 channel (support 5V DC potential and 5mA current) |
| Alarm Output | 5 channels (wet contact; support max 12V DC potential and max 300mA current) |
| Alarm Linkage | Snapshots, radar-PTZ linkage, SD card record, alarm triggering output, and email sending |
| Alarm Event | Radar alarm, no SD card, SD card capacity warning, SD card error, network disconnection, IP conflict, full disk, and illegal access |
| SD card | Yes |
| Indicator Light | Network connection: Yellow Running status: Red/Green Power: Green |
| Power | |
| Power Supply | 12V DC (±30%), 24V AC (±30%), PoE (802.3at) |
| Power Consumption | Basic: 16 W Max.: 20 W |
| Environment | |
| Operating Temperature | –40°C to +65°C (–40°F to +149°F) |
| Operating Humidity | ≤95% (RH) |
| Storage Temperature | –40°C to +80°C (–40°F to +176°F) |
| Storage Humidity | ≤95% (RH) |
| Ingress Protection | IP67/IK10 |
| ESD | Contact discharge: 6k Air discharge: 8k |
| Surge Protection Grade | Common mode: ± 6kV Differential Mode: ± 2kV |
| Structure | |
| Product Color | White |
| Casing | ADC12+PC |
| Product Dimensions | 244.9 mm × 184.9 mm × 61.2 mm (9.64" × 7.28" × 2.41") |
| Packaging Dimensions | 328.0 mm × 146.0 mm × 278.0 mm (12.90" × 5.75" × 10.95") |
| Net Weight | 2.84 kg (6.26 lb) |
| Gross Weight | 3.40 kg (7.49 lb) |
| Installation Method | Wall mount, ceiling mount, pole mount |
| Installation Height | 3.0 m to 5.0 m (3.0 m recommended) (9.84 ft to 16.40 ft) (9.84 ft recommended) |
| Installation Position | Install separately |
| Certifications | |
| Certifications | CE: EN 50385; EN 55032; EN 55024; EN 55035; EN 50130-4; ETSI EN 301 489-1; ETSI EN 301 489-3; EN 60950-1 CE RED: EN 300440 |
Further details
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Onvif , the absolute standard for IP cameras. Being Onvif guarantees compatibility with any modern recording system. NOT being Onvif means having a stand-alone camera that can never be used with recording systems. |
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- Smart Tracking - Multi-level Protection: Different alarm priorities, external alarm connection, people/vehicle filtering and low and medium speed vehicle detection. |
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This camera has 1 input + 5 alarm outputs |
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IP67 protection from water and dust |
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IK 10 is the highest level of protection against direct damage. This allows for use even where there is a risk of vandalism.
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1x SD Card Slot (Max 256GB) not included: sold separately |
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Power supply DC 12V (±30%), AC 24V (±30%), PoE (802.3at) |
| This product is covered by a 24 month warranty. |












