70938.122.BL # 70938 | Ajax NVR (8ch) Black 8-channel is a network video recorder designed to integrate Ajax and ONVIF IP cameras into the Ajax ecosystem, offering advanced video management and professional-grade security. It supports up to 8 channels in 4K resolution , ensuring detailed and smooth images thanks to peer-to-peer streaming with JetSparrow technology . The platform ensures end-to-end encryption, mTLS and full privacy control , with data access reserved exclusively for the owner. The user experience is optimized with instant live viewing, quick archive navigation and video scenarios for alarm verification . Equipped with a built-in 110–240 V power supply , HDD support up to 16 TB and a compact black design, it represents a reliable and scalable solution for professional video surveillance installations. Ajax
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70938.122.BL | 8-CHANNEL NETWORK VIDEO RECORDER

Ajax NVR (8ch), 70938.122.BL, black 8-channel is a professional network video recorder designed to integrate Ajax and ONVIF IP cameras within the Ajax ecosystem, offering advanced, seamless and secure video management. It supports up to 8 channels in 4K resolution , ensuring high-definition images and fast transmission thanks to peer-to-peer JetSparrow technology . The system ensures advanced encryption, mTLS and full privacy control , with data access reserved exclusively for the owner. The user experience is optimized through immediate live view, quick archive navigation and video verification of alarms , making it ideal for professional and advanced residential installations.
Main specifications:
- Supports up to 8 video channels in 4K resolution
- JetSparrow technology for fast and stable video streaming
- Compatibility with Ajax and ONVIF IP cameras
- TLS, mTLS encryption and advanced privacy control
- Video verification of alarms and management from the Ajax app
- Support HDD up to 16TB with built-in 110–240V power supply
Further details
Technical data sheet
| 70938.122.BL | |
| Videostream | |
| NVR models | 8-channel With up to 4K resolution (25/30 FPS). |
| IP cameras |
|
| Storage | hard drive with a capacity of up to 16 TB (SATA connectivity, 3.5” size) HDD not included. |
| Decoding formats | H.265 H.264 |
| Bandwidth | up to 100 Mbps |
| Recommendations | The device operating voltage is 110–240 V~. NVR is designed for indoor installation only |
| Communication channels | |
| Ethernet | up to 100 Mbps |
| Bluetooth | BLE frequency band: 2.400–2.4835 GHz To set up an Ethernet connection |
| Radio signal power | hard drive with a capacity of up to 16 TB (SATA connectivity, 3.5” size) 2.5 mW (100 mW limit) |
| Key features | |
| Motion detection | NVR has built-in software to detect the motion in the frame. Possible to switch between image analysis by NVR or camera algorithms |
| In-app video management system |
|
| Visual verification of Ajax alarms | NVR allows setting up a scenario in which Ajax detectors trigger specific cameras to start recording This results straight in mobile and desktop (monitoring) apps |
| Speaker volume | up to 103 dB 83 dB at a distance of 1 m. |
| Privacy | Access rights distribution for users in mobile apps and for monitoring operators in PRO Desktop |
| Power supply | |
| Main | 110–240 V~, 50/60 Hz, 0.6 A Up to 24W of mains power consumption |
| Backup | CR2032 battery, 3 V Only to power the system clock |
| Anti-sabotage | |
| Tampering alarm | Notifications about attempts to detach the device from the surface or remove it from the mounting panel |
| Enclosure | |
| Color | Black |
| Dimension | 251 × 251 × 51 mm 9.88″ × 9.88″ × 2.01″ |
| Weight | 700 g 24.69 oz Without a hard drive |
| Operating temperature range | from 0 °C to +40 °C from 32 °F to 104 °F |
| Operating humidity | up to 75% |
| Protection class | IP20 |
| Complete set | NVR SmartBracket mounting panel Power cable Ethernet cable Installation kit Quick start guide |
| Warranty | 24 months |



