InVid Tech PD2B-4NH: 4 Ch + 2 Bonus IP Ch Universal Port Recorder
The InVid Tech PD2B-4NH is a high-performance, versatile recorder designed to support 4 channels of analog video (TVI, AHD, CVI, Analog) with up to 8 MP resolution on Channel 1. It also features 2 bonus IP channels, allowing for a total of 6 camera inputs, with all channels supporting resolutions up to 8 MP. This recorder features a wide range of resolutions for analog video, from 4K to 720p, with frame rates as high as 6fps at 4K on analog channels and 20fps for 8 MP on IP channels. The H.265 video compression technology optimizes bandwidth use while maintaining exceptional video quality, and it supports 4K HDMI output, along with simultaneous VGA output at 1080p for flexible monitoring options. The system supports 4-channel simultaneous playback, providing a robust and efficient solution for surveillance setups.
In terms of audio, the InVid Tech PD2B4NH supports Audio over Coax (AoC) and two-way audio, allowing for clear communication through the system. With built-in smart analytics such as line crossing and area intrusion detection, the recorder enhances security by allowing quick event searches. Additional features include the ability to store footage on a single 14TB SATA HDD, with eSATA backup up to 1TB, and network connectivity via 100Mbps RJ45, allowing up to 10 users to access the system remotely. The device operates efficiently with a power consumption of less than 10W and offers centralized management via free mobile apps, CMS, and MAC client software, making it ideal for users looking for an easy-to-manage, feature-packed solution.
Features:
- 4 Analog Channels supporting TVI, AHD, CVI, Analog with up to 8 MP resolution
- 2 Bonus IP Channels, up to 8 MP resolution, for up to 6 cameras total
- H.265 Video Compression for efficient bandwidth usage and superior video quality
- 4K HDMI Output and simultaneous VGA output at 1080p for flexible display options
- Audio Over Coax (AoC) for simplified audio integration with analog cameras
- Smart Analytics: Line crossing, area intrusion, and event search features for enhanced security
- Up to 14TB SATA HDD storage, with additional eSATA backup (1TB max)
- Two-way Audio with G.711 compression for clear communication
- Remote Access: Free iOS/Android apps, Central Management Software (CMS), and MAC client software
- NDAA Compliant, CE, and FCC certified for regulatory adherence
- Low Power Consumption: ≤ 10W (without HDD) for energy-efficient operation
- Ideal for Multi-Camera Surveillance Systems, including commercial, industrial, and residential applications
Applications:
- Multi-Camera Surveillance Systems
- Commercial
- Industrial
- Residential Applications
| System | Embedded Linux |
| Video | |
| Analog Video Input | BNC × 4 (1.0Vp-p; 75Ω) |
| TVI/AHD/CVI | 4K@15fps, 5MP@20fps, 4MP/3MP/1080P/720P/WD1@30fps (live) |
| IP Video Input | 2CH, Up to 8MP@20fps |
| Total Input | 6CH |
| Output | |
| HDMI × 1 | 3840 × 2160 / 1920 × 1080 / 1280 × 1024 / 1024 × 768 |
| VGA × 1 | 1920 × 1080 / 1280 × 1024 / 1024 × 768 |
| BNC × 1 | CVBS (used as the main or spot output) |
| Compression | H.264/H.265 |
| Multi-screen Display | 1/4/6/8/9 |
| Audio | |
| Input | RCA × 4 |
| Output | RCA × 1 (linear, 600Ω) |
| Two-way Audio | Take up channel one audio input |
| Compression | G.711 (U/A) |
| Record | |
| Resolution | 4K/4K Lite/5MP/5MP Lite/4MP/4MP Lite/3MP/1080P/720P/WD1/D1 |
| Frame Rate | Analog Channel: 4K@6fps/7fps (PAL/NTSC) (only CH1 supports); 4K Lite@12fps/15fps (PAL/NTSC); 5MP@12fps (PAL/NTSC); 5MP Lite@20fps (PAL/NTSC); 4MP/3MP@12fps/15fps (PAL/NTSC); 4MP Lite/1080P/720P/WD1/D1@25fps/30fps (PAL/NTSC) |
| IP Channel | 8MP@20fps (PAL/NTSC); lower than 8MP@25fps/30fps (PAL/NTSC) |
| Bit Rate | 32Kbps ~ 4Mbps |
| Mode | Manual, timed, motion, smart event |
| Playback | |
| Playback | 4CH |
| Search | Time slice / time / event / tag search |
| Smart Search | Highlight colors to display the camera record in a certain period of time, different colors refer to different record events |
| Function | Play, pause, FF, FB, digital zoom, etc. |
| Alarm | |
| Mode | Manual, motion, exception, smart event |
| Input | 4CH |
| Output | 1CH |
| Network | |
| Interface | RJ 45 100Mbps × 1 |
| Protocol | TCP/IP, PPPoE, DHCP, DNS, DDNS, UPnP, HTTP, HTTPS, NTP, SMTP |
| Incoming Bandwidth | 16Mbps |
| Outgoing Bandwidth | 40Mbps |
| Client Connection | Max. 10 users access |
| Mobile Device | iOS, Android |
| Storage | |
| HDD | SATA × 1, up to 14TB per HDD; E-SATA × 1 (1TB Max, Archive Only) |
| Backup | |
| Local Backup | USB, USB mobile HDD (1TB Max) |
| Network Backup | Yes |
| Port | |
| RS 485 | Yes (half-duplex), connect to PTZ |
| USB | USB 2.0 × 2 |
| Remote Controller | Included |
| Others | |
| Power Supply | DC12V / 2A |
| Consumption | ≤ 10W (without HDD) |
| Dimensions (W × D × H) | 11.8 x 9.8 x 1.8 in (300 × 249 × 45mm) |
| Working Environment | 14°F ~ 122°F (-10~50°C), 10%~90% (humidity) |
| Certificate | CE, FCC |
| Environmental Protection | Comply with Directive EU RoHS, WEEE, REACH |



