IP Cameras › IPC2122LB-ASF28(40)K-A
Uniview (UNV)Bullet
2MP Fixed IR Bullet Network Camera
IPC2122LB-ASF28(40)K-A
2MP fixed IR bullet network camera — Smart IR up to 30 m, PoE single-cable install, built-in mic, MicroSD edge storage, IP67 outdoor body.
2 MP · 1080P@30fpsUltra 265 · low bandwidthSmart IR · up to 30mPoE · 802.3afIP67 · outdoorMic · built-in audio
Choose your lens — two models on this page
ASF28 (2.8 mm, 101.1° view) covers a wide area near the camera — doorways, small rooms, shop counters. ASF40 (4.0 mm, 82.5° view) trades width for reach — corridors, driveways, fence lines. Highlighted rows in the spec table below show every difference.
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The Uniview IPC2122LB-ASF28(40)K-A is a 2MP fixed IR bullet network camera with Smart IR reaching 30 m (98.4 ft.), single-cable PoE install, and an IP67 outdoor rating for a −30 °C to 60 °C working range. It ships with a choice of two fixed lenses: 2.8 mm (ASF28K, 101.1° view) or 4.0 mm (ASF40K, 82.5° view). It also has a built-in mic and a MicroSD slot for edge storage up to 512 GB, and is NDAA compliant.
Is this the right camera for you?
Plain-language guide for buyers and installers — based only on what this camera actually does.
Shops & storefrontsSee who enters, and the built-in mic picks up counter conversations. ASF28 covers the whole shop floor from a corner.
Home gates & drivewaysASF40's narrower, longer view watches the gate or driveway end-to-end, with Smart IR keeping watch after dark.
Warehouse & site perimetersIP67 body and −30 to 60 °C rating survive rain, dust and heat. ASF40 watches long fence lines.
Small offices & receptionUltra 265 compression keeps recordings small, and the MicroSD slot (up to 512 GB) keeps a local backup even if the NVR link drops.
Residential passagewaysMotion and audio detection flag activity in stairwells and corridors, day or night.
Kiosks & remote sitesOne PoE cable does power + video — no electrician needed at the pole, quick to install and move.
Not the right pick if you need…
- Two-way talk — it has a mic but no speaker
- Wi-Fi — this is a wired RJ45 camera
- Zoom — the lens is fixed (2.8 or 4.0 mm, chosen at purchase)
- Color night vision — this is IR-only; night view is black & white, with no warm-light color mode
- Alarm in/out wiring for sirens or sensors
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Key Features
Complete list from the official datasheet.
High quality image with 1080P, 1/2.9" CMOS sensor
1080P (1920 × 1080)@30/25 fps; 720P (1280 × 720)@30/25 fps
Ultra 265, H.265, H.264
Built-in mic
Smart IR, up to 30 m (98.4 ft.) IR distance
Day/night functionality
2D/3D DNR (digital noise reduction)
MicroSD, up to 512 GB
DC 12 V, PoE (IEEE 802.3af) power supply
IP67 protection
3-axis
Night Vision: Smart IR
Invisible infrared night vision — this model has no warm-light module.
IR MODE
Invisible infrared — discreet black & white night vision
Smart IR up to 30 m (98.4 ft.) at 850 nm. The camera watches without lighting up the scene — nothing shows it is recording. This model has Smart IR only; there is no warm-light illuminator.
How far can it see? (DORI)
DORI (EN 62676-4) is the industry standard for what a camera can do at distance. Switch the lens buttons above to compare.
Detectsomething is there
45 m147.6 ft
Observewhat is happening
18 m59.1 ft
Recognizesomeone you know
9 m29.5 ft
Identifya stranger's face
4.5 m14.8 ft
How wide a view at each distance
Scene width covered at typical mounting distances — the number you need to work out how many cameras a wall, yard or aisle takes.
| Distance | ASF28K · 2.8 mm · 101.1° | ASF40K · 4.0 mm · 82.5° |
|---|---|---|
| 5 m16 ft | 12.2 m39.9 ft | 8.8 m28.8 ft |
| 10 m33 ft | 24.3 m79.7 ft | 17.5 m57.5 ft |
| 15 m49 ft | 36.5 m120 ft | 26.3 m86.3 ft |
| 20 m66 ft | 48.6 m159 ft | 35.1 m115 ft |
| 30 m98 ft | 72.9 m239 ft | 52.6 m173 ft |
Calculated from the horizontal field of view in the specifications below: width = 2 × distance × tan(FOV ÷ 2). Lens distortion and mounting angle are not included.
Who uses it, where it goes and how to install it
Written for the IPC2122LB-ASF28(40)K-A from its own specifications: 2 MP, 2.8 mm or 4.0 mm fixed lens, Smart IR 30 m, PoE 5.0 W, IP67, microSD up to 512 GB.
Who it is for
- Basic multi-camera jobs — A plain 2 MP IR bullet with ONVIF Profile S/G/T: one IEEE 802.3af PoE cable per camera at max. 5.0 W, recorded on a Uniview or third-party NVR.
- Shops and kiosks — The 2.8 mm version covers 12.2 m of width from 5 m away, and the built-in mic records sound at the counter; a microSD card records even without an NVR.
- Gates, driveways and fence lines — The 4.0 mm version identifies a face at 6.2 m; the IP67 body works from −30 °C to 60 °C, and the invisible 850 nm IR watches without lighting up the scene.
- Projects that require NDAA — The page lists this model as NDAA compliant, together with CE, FCC, RoHS and WEEE.
Where and how to install
- Height and angle — Mount at about 2.5–3.5 m with a shallow downward tilt. Lower is easy to tamper with; much higher shows the top of heads instead of faces.
- Faces need a choke point — Aim at a door or gate where people walk toward the camera, within the identify distance: 4.5 m with the 2.8 mm lens, 6.2 m with the 4.0 mm lens.
- Keep the IR clear — Do not mount tight under eaves, close to a wall that is in the picture, or behind window glass: the IR reflects back and the night image turns white or foggy. In darkness it sees only as far as the 30 m IR, even though the daytime detect figure is longer.
- Avoid strong backlight — WDR is digital (DWDR) only. Do not aim it from a dark room at a bright doorway or at the setting sun; mount it outside facing in, or use HLC/BLC.
- Weather, cable and surge — The body is IP67, but the RJ45 and 12 V tail are not: put them in the TR-JB05-A-IN junction box and seal the conduit entry with the TR-A01-IN NPT 3/4" gland. Surge protection is 4 kV; on poles or long outdoor runs add a surge protector and earthing.
- Brackets — Pole: TR-UP06-B-IN, or TR-UP06-C-IN-V2 when you use the junction box; building corner: TR-UC08-C-V2. The 3-axis base (pan 0–360°, tilt 0–90°, rotate 0–360°) levels the image on walls and ceilings.
2.8 mm or 4.0 mm: what you actually see
Same 2 MP sensor, different lens. The 4.0 mm sees about 1.4× farther (identify 6.2 m vs 4.5 m) but covers about 70% of the width. At 10 m it puts about 110 pixels on every meter of the scene versus about 79 for the 2.8 mm.
| ASF28K · 2.8 mm | ASF40K · 4.0 mm | |
|---|---|---|
| Horizontal view angle | 101.1° | 82.5° |
| Width covered at 5 m | 12.2 m | 8.8 m |
| Width covered at 10 m | 24.3 m | 17.5 m |
| Pixels per meter at 10 m | 79 | 110 |
| Identify a stranger's face up to | 4.5 m | 6.2 m |
| Recognize someone you know up to | 9.0 m | 12.4 m |
| Detect that something is there up to (daytime) | 45.0 m | 64.3 m |
| IR range at night | 30 m | 30 m |
- Pick 2.8 mm for a shop floor, reception or small yard seen from a corner: from 5 m away it covers 12.2 m of width.
- Pick 4.0 mm for a gate, driveway or corridor where faces matter at 5–6 m: it identifies a face at 6.2 m.
- For a fence line at night, space cameras at 30 m or less whichever lens you choose: that is the IR limit.
Widths are calculated from the horizontal view angle (width = 2 × distance × tan(angle ÷ 2)); pixels per meter = 1920 ÷ width at 10 m; face and detect distances are the manufacturer's DORI figures.
Full Specifications
Complete official specifications from the manufacturer's datasheet (technical values in English).
Highlighted rows differ between the two models:ASF28 = 2.8 mmASF40 = 4.0 mm
Camera
| Max Resolution | 2 MP |
| Sensor | 1/2.9" CMOS |
| Min. Illumination | Color: 0.01 Lux (F2.0, AGC ON), 0 Lux with IR on |
| Day/Night | IR-cut filter with auto switch (ICR) |
| Shutter | Auto/Manual, 1 to 1/100000 s |
| Adjustment Angle | Pan: 0° to 360°, Tilt: 0° to 90°, Rotate: 0° to 360° |
| S/N | > 52 dB |
| WDR | DWDR |
Lens
| Focal Length | ASF28 · 2.8 mmASF40 · 4.0 mm |
| Iris Type | Fixed |
| Iris | F2.0 |
| Field of View (H) | ASF28 · 101.1°ASF40 · 82.5° |
| Field of View (V) | ASF28 · 56.5°ASF40 · 44.5° |
| Field of View (D) | ASF28 · 117°ASF40 · 93° |
DORI
| DORI Distance (Detect) | ASF28 · 45.0 m (147.6 ft.)ASF40 · 64.3 m (211.0 ft.) |
| DORI Distance (Observe) | ASF28 · 18.0 m (59.1 ft.)ASF40 · 24.8 m (81.4 ft.) |
| DORI Distance (Recognize) | ASF28 · 9.0 m (29.5 ft.)ASF40 · 12.4 m (40.7 ft.) |
| DORI Distance (Identify) | ASF28 · 4.5 m (14.8 ft.)ASF40 · 6.2 m (20.3 ft.) |
Illuminator
| Supplemental Light | IR |
| Illumination Distance (IR) | 30 m (98.4 ft.) |
| Wavelength | 850 nm |
| IR On/Off Control | Auto/Manual |
Video
| Video Compression | Ultra 265, H.265, H.264 |
| H.264 Code Profile | Baseline profile, Main profile, High profile |
| Frame Rate | Main Stream: 1080P (1920×1080), max. 30 fps; 720P (1280×720), max. 30 fps · Sub Stream: D1 (720×576), max. 30 fps; 640×360, max. 30 fps; 2CIF (704×288), max. 30 fps; CIF (352×288), max. 30 fps |
| Video Bit Rate | 128 Kbps to 6144 Kbps |
| U-code | Support (main stream) |
| OSD | Up to 4 OSDs |
| Privacy Mask | Up to 4 areas |
| ROI | Support |
| Video Stream | Dual streams |
Image
| White Balance | Auto, Outdoor, Fine tune, Sodium lamp, Locked, Auto2 |
| Digital Noise Reduction | 2D/3D DNR |
| Smart IR | Support |
| Flip | Normal, Flip vertical, Flip horizontal, 180° |
| Dewarping | N/A |
| HLC | Support |
| BLC | Support |
| Defog | Digital defog |
Events
| Basic Detection | Motion detection, Audio detection |
| General Function | Watermark, IP address filtering, Access policy, ARP protection, RTSP authentication, User authentication, HTTP authentication |
Audio
| Audio Compression | G.711U, G.711A |
| Audio Bitrate | 64 Kbps |
| Two-way Audio | N/A |
| Suppression | Support |
| Sampling Rate | 8 kHz |
Storage
| Edge Storage | MicroSD, up to 512 GB |
Network
| Protocols | IPv4, IGMP, ICMP, ARP, TCP, UDP, DHCP, RTP, RTSP, RTCP, RTMP, DNS, DDNS, NTP, UPnP, HTTP, HTTPS, QoS, SSL/TLS |
| Compatible Integration | ONVIF (Profile S, Profile G, Profile T), API, SDK |
| User/Host | Up to 32 users. 2 user levels: administrator and common user |
| Security | Password Protection, Strong Password, HTTPS Encryption, Export Operation Logs, Basic and Digest Authentication for RTSP, Digest Authentication for HTTP, WSSE and Digest Authentication for ONVIF |
| Client | EZStation, APP |
| Web Browser | Plug-in required live view: IE 10+, Chrome 45+, Firefox 52+, Edge 79+, Plug-in free live view: Chrome 57+, Firefox 58+, Edge 16+ |
Interface
| Audio I/O | N/A |
| Alarm I/O | N/A |
| Serial Port | N/A |
| Built-in Mic | Support |
| Built-in Speaker | N/A |
| WIFI | N/A |
| Network | 1 × RJ45 10 M/100 M Base-TX Ethernet |
| Video Output | N/A |
Certification
| EMC | CE-EMC (EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035); FCC (FCC 47 CFR part15 B) |
| Safety | CE LVD (EN 62368-1); CB (IEC 62368-1) |
| Environment | CE-RoHS (2011/65/EU; (EU)2015/863); WEEE (2012/19/EU) |
| Protection | IP67 (IEC 60529) |
General
| Power | DC 12 V±25%, PoE (IEEE 802.3af) |
| Power Consumption | Max. 5.0 W |
| Power Interface | Ø5.5 mm coaxial power plug |
| Dimensions | 161 mm × 62 mm × 63 mm (6.3" × 2.5" × 2.5") (L × W × H) |
| Weight | 0.21 kg (0.46 lb.) |
| Material | Graphene + Plastic |
| Working Environment | -30 °C to 60 °C (-22 °F to 140 °F), Humidity: ≤ 95% RH (non-condensing) |
| Storage Environment | -30 °C to 60 °C (-22 °F to 140 °F), Humidity: ≤ 95% RH (non-condensing) |
| Surge Protection | 4 KV |
| Reset Button | N/A |
| Web Client Language | 1 Language: English |
Dimensions
Engineering drawing reproduced 1:1 from the official datasheet.
unit: mm (in.)
| Dimensions | 161 × 62 × 63 mm (6.3" × 2.5" × 2.5") |
| Weight | 0.21 kg (0.46 lb.) |
| Material | Graphene + Plastic |
| Mount adjustment | Pan 0–360° · Tilt 0–90° · Rotate 0–360° |
Optional Mounting Accessories
Order together with the camera to save shipping.
TR-JB05-A-INSmall bullet junction box (rear wiring, square)
TR-UP06-B-INBullet pole mounting bracket
TR-A01-INNPT 3/4" waterproof cable gland
TR-UP06-C-IN-V2Pole bracket for bullet junction box
TR-UC08-C-V2Bullet & dome corner mounting bracket
2MP PoE Bullet Camera FAQ — IPC2122LB-ASF28(40)K-A
How does the Smart IR on the IPC2122LB-ASF28(40)K-A behave at night?
The 850 nm Smart IR reaches 30 m and automatically balances its output, so a face close to the lens is not washed out while the background stays lit. The IR-cut filter switches modes automatically, and in color the sensor works down to 0.01 lux at F2.0.
What is the difference between the 2.8 mm and 4.0 mm versions?
The 2.8 mm (ASF28) covers 101.1° horizontally and detects a person at 45 m, identifying at 4.5 m. The 4.0 mm (ASF40) narrows to 82.5° but stretches detection to 64.3 m and identification to 6.2 m — trade width for reach depending on the scene.
Can it record to an SD card without a recorder?
Yes, MicroSD edge storage is built in, so small sites can run the camera standalone or keep the card as backup when the network or NVR goes down. Combined with Ultra 265 compression, card space stretches across days of 1080P footage depending on bit rate.
How do I power and mount it outside?
It is PoE powered, so a single network cable from the PoE switch or NVR handles power and video together. The IP67 bullet body is sealed for dust and rain, and the bracket adjusts 0-360 degrees pan with 0-90 degrees tilt for walls, poles and eaves.
Does it capture audio, and what bandwidth does it use?
A built-in microphone records G.711U/G.711A audio at 64 Kbps, and audio detection can raise alarms on loud events; two-way talk is not supported. Video runs 1080P at up to 30 fps in dual streams, with bit rate adjustable from 128 to 6144 Kbps.
Can the IPC2122LB-ASF28(40)K-A tell people from cars, animals or moving trees?
No. Its event list is motion detection and audio detection only, with no human or vehicle classification, so anything that moves can trigger it. Cut false alerts by drawing the motion area away from trees, roads and reflective surfaces, lowering sensitivity and testing at night when insects fly through the IR. If you need people-only alerts, look at the IPC2122LB-ADF28(40)KM-H, whose cross line and intrusion alarms are based on human body detection.
Will the IPC2122LB-ASF28(40)K-A work with a Hikvision, Dahua or other non-Uniview NVR?
Usually yes: it supports ONVIF Profile S, G and T plus RTSP, which most third-party NVRs and VMS software use to add cameras, and its only events are motion and audio detection, which are the ones most often passed over ONVIF. Ultra 265 is Uniview's own compression mode; on another brand's NVR set the stream to H.265 or H.264. Tell us your NVR model and we will confirm before you order.
How much NVR disk do I need for several IPC2122LB-ASF28(40)K-A cameras?
At the maximum bit rate of 6144 Kbps with continuous recording each camera writes about 66.4 GB per day, so 4 cameras for 30 days need about 8 TB. At 2048 Kbps, often enough for 1080P with Ultra 265, each camera writes about 22.1 GB per day and the same 4 cameras for 30 days fit in about 2.7 TB. Motion-only recording reduces it further, but plan on continuous if you are unsure.
Is the IPC2122LB-ASF28(40)K-A suitable for hot sun or coastal sites?
It is rated IP67 and −30 °C to 60 °C working temperature, with humidity up to 95% non-condensing. A camera in direct afternoon sun runs well above air temperature, so in hot climates choose a wall that is shaded in the afternoon. The housing is graphene and plastic (0.21 kg), which does not rust, but near the sea use stainless screws and seal the cable joint in the TR-JB05-A-IN junction box; no salt-mist rating is listed.
Is the IPC2122LB-ASF28(40)K-A web interface available in Spanish or other languages?
No. The web client language is listed as English only. In practice the installer sets the camera up once in the browser (plug-in-free in Chrome 57+, Firefox 58+ or Edge 16+), and the end user then watches through the NVR, the EZStation PC client or the phone APP. If your customer must configure the camera itself in another language, consider the IPC2122LB-ADF28(40)KM-H, whose web interface has English, Russian, Spanish and Vietnamese.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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