AXIS P3947-R M12 2.8 mm 5MP Onboard Dome Audio 10-Pack, 03380-021
Description
AXIS P3947-R Onboard Dome Camera – 5 MP AI-Powered Dome with Audio
The AXIS P3947-R is a rugged, AI-powered 5 MP indoor onboard dome with a built-in microphone, certified for use on trains and trams. Lightfinder 2.0 and Forensic WDR deliver true colors and detail in challenging light, scene profiles optimize image settings for each environment, and it shares the form factor, backplate and accessories of other Axis onboard cameras, so existing installations upgrade without new holes. Axis Edge Vault safeguards the device. This listing is a 10-pack of the P3947-R M12 2.8 mm for fleet-wide installs.
Key Specifications
| Max video resolution | 2592x1944 |
| Max frames per second | 25/30 fps |
| Lens | 2.8 mm, F2.0, M12 mount (exchangeable) |
| Horizontal field of view | 99° |
| Wide dynamic range | Forensic WDR, up to 120 dB |
| Lightfinder | Lightfinder 2.0 |
| Min illumination (color) | 0.16 lux at 50 IRE, F2.0 |
| Audio | Built-in microphone (physical switch) |
| Connector | M12 (D-coded, rugged) |
| PoE class | Class 2 |
| Rolling stock standards | EN 50155, EN 45545-2, NFPA 130 (M12 variants) |
| IP rating | IP66, IP67, NEMA 4X |
| Vandal rating | IK10 |
| Operating temperature | -30 to 55 °C |
Full specifications are listed in the Detailed Specifications tab.
Why Choose the AXIS P3947-R?
- 5 MP resolution (2592x1944) at up to 25/30 fps
- 2.8 mm, F2.0 M12 lens, 99° horizontal field of view, exchangeable for other M12 lenses
- Lightfinder 2.0 and Forensic WDR for changing light
- Built-in microphone for audio evidence, with a physical microphone switch
- Complies with EN 50155, EN 45545-2, NFPA 130 (M12 variants) for rolling stock
- Rugged casing rated IP66, IP67, NEMA 4X and IK10
- Single-cable PoE (Class 2) over a rugged D-coded M12 connector
- Axis Edge Vault hardware-based cybersecurity
Built for Rolling Stock
Certified to EN 50155 and EN 45545-2 for trains and trams (M12 variants), the IP66/IP67-, NEMA 4X- and IK10-rated aluminum and plastic casing shares the form factor, backplate and accessories of other Axis onboard cameras.
Clear Images in Changing Light
Lightfinder 2.0 and Forensic WDR (up to 120 dB depending on scene) deliver true colors and 5 MP detail in challenging light, and scene profiles (forensic, vivid, traffic overview) optimize settings without manual adjustment.
Flexible Field of View
The 2.8 mm, F2.0 M12 lens gives a 99° horizontal and 74° vertical field of view. Optional M12 lenses let you choose a wider or narrower view for each position in the vehicle.
Audio Capture
A built-in microphone lets you complement video with audio; it can be disabled with a physical microphone switch, and SIP support allows VoIP integration.
Built-In Cybersecurity
Axis Edge Vault provides a secure element (CC EAL 6+, FIPS 140-3 Level 3), secure boot, signed OS, signed video and an encrypted filesystem, with IEEE 802.1X and HTTPS/TLS.
Typical Applications
- Bus and coach interiors
- Train and tram passenger cars
- Driver cabs and forward-facing views
- Transit fleet retrofits
Compatible Accessories
Compatible accessories for the AXIS P3947-R. Linked items are available at Affinitech Store; contact us for the others:
- AXIS TP3826-E Housing
- AXIS Surveillance Card 256 GB (microSDXC)
- AXIS Surveillance Card 512 GB
- AXIS Lens M12 2.4 mm F2.1 IR
- AXIS Lens M12 2.8 mm F2.0 IR
- AXIS Lens M12 3.6 mm F2.0 IR
- AXIS Lens M12 6 mm F2.0 IR
- AXIS Lens M12 8 mm F1.6 IR
- AXIS TP3843 Dome Cover Clear
- AXIS TP3844 Top Cover Black
Compare AXIS P39 Onboard Cameras
| Model | Max resolution | Type | Best for |
|---|---|---|---|
| AXIS P3905-R Mk III | 1920x1080 | Indoor onboard dome, 2 MP | Bus and train interiors |
| AXIS P3925-R | 1920x1080 | Indoor onboard metal dome, 2 MP | Bus and train interiors (EIS) |
| AXIS P3935-LR | 1920x1080 | Indoor onboard dome, 940 nm IR, mic | Interiors in darkness, with audio |
| AXIS P3925-LRE | 1920x1080 | Exterior onboard camera with IR, 2 MP | Vehicle exterior side views |
| AXIS P3945-R | 1920x1080 | AI onboard dome with audio, 2 MP | Train and tram interiors, audio |
| AXIS P3947-R (this camera) | 2592x1944 | AI onboard dome with audio, 5 MP | Train and tram interiors, 5 MP |
Other versions: AXIS P3947-R RJ45 2.8 mm (03378-001), AXIS P3947-R RJ45 3.6 mm (03379-001), AXIS P3947-R RJ45 2.8 mm 10-pack (03378-021), AXIS P3947-R RJ45 3.6 mm 10-pack (03379-021), AXIS P3947-R M12 2.8 mm (03380-001), AXIS P3947-R M12 3.6 mm (03381-001), AXIS P3947-R M12 3.6 mm 10-pack (03381-021).
Explore More
- Browse the full Dome Cameras collection at Affinitech Store
- See more AI-Powered Cameras at Affinitech Store
Frequently Asked Questions About AXIS P3947-R M12 2.8 mm
How many cameras are in this listing?
Ten AXIS P3947-R cameras (M12, 2.8 mm).
What resolution does the AXIS P3947-R capture?
Up to 2592x1944 (5 MP) at up to 25/30 fps.
What lens does it have?
A 2.8 mm, F2.0 M12 lens with a 99° horizontal and 74° vertical field of view. Optional M12 lenses are available.
Is it certified for buses and trains?
Yes. It complies with EN 50155, EN 45545-2, NFPA 130 (M12 variants).
What connector does this version use?
A rugged, female D-coded M12 connector with a rotatable coupling nut; it supports PoE.
How is it powered?
Power over Ethernet (IEEE 802.3af Type 1 Class 2), typical 3.55 W, max 4.42 W.
Does it have built-in IR?
No. For onboard IR, see the AXIS P3935-LR.
Does it record audio?
Yes, with a built-in microphone that can be turned off with a physical switch.
What is the minimum light sensitivity?
Color: 0.16 lux at 50 IRE, F2.0.
What are the operating conditions?
-30 to 55 °C, humidity 10-100% RH (condensing).
Does it support local storage?
Yes, microSD/microSDHC/microSDXC cards, plus recording to network-attached storage (NAS).
What warranty does it have?
A 5-year Axis warranty.
Detailed Specifications
AXIS P3947-R Dome Camera Specifications
| Specification | Details |
|---|---|
| Camera | |
| Variant | AXIS P3947-R M12 2.8 mm (10 pcs) |
| Image sensor | 1/2.8" progressive scan RGB CMOS, pixel size 2.0 µm |
| Lens | 2.8 mm, F2.0; M12 mount, fixed iris; minimum focus distance 1 m (3.2 ft) |
| Horizontal field of view | 99° |
| Vertical field of view | 74° |
| Minimum illumination | Color: 0.16 lux at 50 IRE, F2.0 |
| Shutter speed | 1/31500 s to 1/2 s |
| Camera adjustment | Pan ±30°, tilt 0–90°, rotation -179° to 180° |
| System on Chip (SoC) | |
| Model | CV75 |
| Memory | 2 GB RAM, 8 GB Flash |
| Compute capabilities | Deep learning processing unit (DLPU) |
| Video | |
| Video compression | H.264 (MPEG-4 Part 10/AVC) Main and High Profiles; H.265 (MPEG-H Part 2/HEVC) Main Profile; Motion JPEG |
| Resolution | 4:3: 2592x1944 to 320x240 · 16:9: 2560x1440 to 640x360 · 11:9: 704x576 · 5:4: 720x576 |
| Frame rate | 2592x1944 (4:3) and 2688x1512 (16:9) at 25/30 fps with and without WDR · 1920x1080 at 25/30 fps with WDR, 50/60 fps without WDR |
| Video streaming | Up to 6 unique and configurable video streams (max 3 recommended); Axis Zipstream in H.264 and H.265; controllable frame rate and bandwidth; VBR/ABR/MBR H.264/H.265; video streaming indicator |
| WDR | Forensic WDR: up to 120 dB depending on scene |
| Noise reduction | Spatial filter (2D noise reduction), temporal filter (3D noise reduction) |
| Image settings | Saturation, contrast, brightness, sharpness, white balance, local contrast, tone mapping, exposure mode, exposure zones, compression, rotation 0°, 90°, 180°, 270° including corridor format, mirroring, text and image overlay, dynamic text and image overlay, privacy masks; scene profiles: forensic, vivid, traffic overview |
| Image processing | Axis Zipstream, Forensic WDR, Lightfinder 2.0 |
| Pan/Tilt/Zoom | Digital PTZ, preset positions, limited guard tour, control queue |
| Audio | |
| Features | Automatic gain control, 10-band graphic equalizer for audio input |
| Input | Built-in microphone (can be disabled), physical microphone switch |
| Built-in microphone | Max sound pressure level 128 dB; frequency range 100–10000 Hz |
| Encoding | LPCM 48 kHz, AAC-LC 8/16/32/44.1/48 kHz, G.711 PCM 8 kHz, G.726 ADPCM 8 kHz, Opus 8/16/48 kHz; configurable bitrate |
| Network | |
| Network protocols | IPv4, IPv6 USGv6, ICMPv4/ICMPv6, HTTP, HTTPS, HTTP/2, TLS, QoS Layer 3 DiffServ, FTP, SFTP, CIFS/SMB, SMTP, mDNS (Bonjour), UPnP®, SNMP v1/v2c/v3 (MIB-II), DNS/DNSv6, DDNS, NTP, NTS, RTSP, RTP, SRTP/RTSPS, TCP, UDP, IGMPv1/v2/v3, RTCP, ICMP, DHCPv4/v6, ARP, SSH, LLDP, CDP, MQTT v3.1.1, Secure syslog (RFC 3164/5424, UDP/TCP/TLS), Link-Local address (ZeroConf) |
| System Integration | |
| Application Programming Interface | Open API for software integration, including VAPIX®, metadata and AXIS Camera Application Platform (ACAP); one-click cloud connection; ONVIF® Profile G, M, S and T; VoIP through the Session Initiation Protocol (SIP), peer-to-peer or via PBX |
| Video management systems | Compatible with AXIS Camera Station Edge, AXIS Camera Station Pro, and video management software from Axis’ partners |
| Event conditions | Application; audio: physical microphone switch; call: state, state change; device status: above/below/within operating temperature, audit logs, IP address blocked/removed, live stream active, network lost, new IP address, system ready; edge storage: recording ongoing, storage disruption, storage health issues detected; I/O: manual trigger, virtual input; MQTT: client connected, stateless; scheduled and recurring: schedule; video: average bitrate degradation, tampering |
| Event actions | Calls: answer, end, make; LEDs: flash status LED; MQTT publish; notification: HTTP, HTTPS, TCP and email; overlay text; recordings; security: erase configuration; SNMP trap messages; images or video clips: FTP, SFTP, HTTP, HTTPS, network share and email; WDR mode |
| Built-in installation aids | Pixel counter, level grid |
| Analytics | |
| Included | AXIS Tampering Detection, AXIS Video Motion Detection |
| Supported | AXIS Camera Application Platform (ACAP) third-party applications |
| Approvals | |
| Product markings | BSMI, CE, ECE, FCC, KC, NOM, RCM, UL/cUL, VCCI, WEEE |
| Supply chain | TAA compliant, NDAA 2023 compliant |
| EMC | EN 55032 Class A, EN 55035, EN 61000-6-1, EN 61000-6-2, ECE R10 rev.06, EN 50498; Australia/New Zealand: RCM AS/NZS CISPR 32 Class A; Canada: ICES(A)/NMB(A); Japan: VCCI Class A; Korea: KS C 9835, KS C 9832 Class A; USA: FCC Part 15 Subpart B Class A; Rolling stock: EN 50121-3-2, EN 50121-4, IEC 62236-4 |
| Safety | CAN/CSA C22.2 No. 62368-1 ed. 3, IEC/EN 62368-1 ed. 3, UL 62368-1 ed. 3, EN 45545-2 (M12 variants), NFPA 130 (M12 variants), UN ECE R118 |
| Environment | EN 50155 OT1/ST2/H1 (M12 variants), IEC 60068-2-1, -2-2, -2-14, -2-27, -2-64, IEC 60529 IP66/IP67, IEC 62262 IK10, NEMA 250 Type 4X, IEC 61373 Cat 1 Class B (M12 variants), IEC 60721-3-5 Class 5M6 |
| Network | NIST SP500-267, IPv6 USGv6 |
| Cybersecurity | ETSI EN 303 645, FIPS 140 |
| Cybersecurity | |
| Edge security | Software: signed OS, brute force delay protection, digest authentication and OAuth 2.0 RFC6749 Client Credential Flow/OpenID Authorization Code Flow for centralized ADFS account management, password protection, Axis Cryptographic Module (FIPS 140-2 level 1) · Hardware: Axis Edge Vault cybersecurity platform; secure keystore: secure element (CC EAL 6+, FIPS 140-3 Level 3), system-on-chip security (TEE); Axis device ID, signed video, secure boot, encrypted filesystem (AES-XTS-Plain64 256-bit) |
| Network security | IEEE 802.1X (EAP-TLS, PEAP-MSCHAPv2), IEEE 802.1AR, HTTPS/HSTS, TLS v1.2/v1.3, Network Time Security (NTS), host-based firewall |
| General | |
| Casing | IP66/67-, NEMA 4X- and IK10-rated aluminum and plastic casing |
| Mounting | Inside vehicles |
| Power | Power over Ethernet (PoE) IEEE 802.3af Type 1 Class 2; typical 3.55 W, max 4.42 W |
| Connectors | M12: female, rugged, D-coded with rotatable coupling nut; supports PoE |
| Storage | microSD/microSDHC/microSDXC card with SD card encryption (AES-XTS-Plain64 256-bit); recording to network-attached storage (NAS) |
| Operating conditions | -30 °C to 55 °C (-22 °F to 131 °F); maximum (intermittent) 70 °C (158 °F); humidity 10–100% RH (condensing) |
| Storage conditions | -40 °C to 65 °C (-40 °F to 149 °F); humidity 5–95% RH (non-condensing) |
| Weight | 250 g (0.55 lb) |
| Box content | Camera, installation guide, Windows® decoder 1-user license, lens tool |
| Optional accessories | Lens M12 2.4 mm F2.1 IR (124°), 2.8 mm F2.0 IR (99°), 3.6 mm F2.0 IR (83°), 6 mm F2.0 IR (49°), 8 mm F1.6 IR (37°); AXIS TP3826-E housing, AXIS TP3843 Dome Cover Clear, AXIS TP3844 Top Cover Black |
| DORI | Detect 60.3 m (198 ft) · Observe 23.9 m (78 ft) · Recognize 12 m (39 ft) · Identify 5.9 m (19 ft) |
| Languages | English, German, French, Spanish, Italian, Russian, Simplified Chinese, Japanese, Korean, Portuguese, Polish, Traditional Chinese, Dutch, Czech, Swedish, Finnish, Turkish, Thai, Vietnamese |
| Warranty | 5-year warranty |
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