Vizmonet BlackPepper 4 Outdoor Wi-Fi 4 Embedded System (BKP4-OD-N2N2-2450)
Industrial Outdoor Wi-Fi 4 System for Real-World Deployments
The Vizmonet BlackPepper 4 Outdoor BKP4-OD-N2N2-2450 Wi-Fi 4 is built for outdoor networks that must work every day without failure. It is designed for long-range wireless links in tough industrial environments.
Here’s the thing. Outdoor wireless is not about peak speed. It is about stability. It is about keeping a link alive in heat, cold, dust, and interference.
This system uses 2×2 MIMO and delivers up to 29 dBm transmit power. What this really means is stronger signals and better link stability over distance. It performs well in areas where other wireless systems struggle.
The enclosure is IP67 rated. That means it can handle dust and water exposure. It can be mounted outdoors without worry. It operates from minus 40°C to plus 85°C, so extreme weather is not a problem.
It supports 2.4 GHz ISM, 4.9 GHz public safety, and 5 GHz UNII bands. That gives you flexibility when planning networks across different regions and regulations.
If you are building infrastructure for mining, oil and gas, smart cities, public safety, or industrial automation, this system gives you a reliable foundation.
- SWaP-C optimized radio design with IP67-rated metal enclosure
- Dual independent radios operating in 2.4 GHz ISM band (2×2 MIMO) and 4.9 GHz public safety and UNII-B1, B2A, B2C, B3 bands (2×2 MIMO)
- Compliant with IEEE 802.11 a/b/g/n standards
- Up to 29 dBm transmit power
- Operating temperature range from -40°C to +85°C
- Designed for vibration resistance in industrial environments
BlackPepper 4 Outdoor Wi-Fi 4 Key Features
Frequency Diversity
Simultaneous operation of 2.4 GHz, 4.9 GHz (public safety), UNII-B1,B2A,B2C,B3 Bands, Software configurable
OpenWRT support
OpenWRT Linux supported by ath9K wireless driver
Interference Desensitization
Low noise Receiver design integrated with top-tier OBB management provides strong resilience to out-of-band signals, maintaining robust connectivity in the most challenging environments
IEEE 802.11 b/g/n
Wifi 4 Transceiver module, complying to 802.11 abgn standards supporting 2T2R MIMO
TX Power of 29 dBm
Highly linear transmitter design with an ultra-high TX power of 29 dBm adhering to strict EVM level exceeding requirements OFDM modulated signals
Low Latency and High Data BW
Simultaneous operation across multiple frequency Bands not only offer frequency diversity but also offer high data bandwidth and low latency. With theoretical maximum speeds of up to 600 Mbps, it delivers exceptional performance for critical applications
BlackPepper BKP-N2N2-2450
- SWaP-C (Size, Weight, Power & Cost) optimized Radio Module
- High-Performance, Dual independent Radio operating in ISM 2.4 GHz license-free Band and 4.9 GHz (Public safety), UNII-B1,B2A,B2C and B3 Bands
- Conforming to IEEE 802.11 a/b/g/n Standards and 2×2 MIMO
- 29 dBm TX Power
- -40 deg C to +85 deg C Operating Temperature
- Robust and Vibration Resillience
Technical Performance Overview
The BlackPepper 4 Outdoor system combines high transmit power with a sensitive receiver. That balance is what keeps links stable over distance.
It supports 2×2 MIMO, which improves signal reliability and helps maintain performance in crowded RF conditions.
Receiver sensitivity goes as low as minus 99 dBm. This helps the system detect weaker signals across longer distances.
OpenWRT support allows advanced routing and secure network configuration. You can implement VLAN segmentation, firewall rules, and encrypted communication based on your project needs.
Below are the detailed specifications so you can review the hardware and performance numbers directly.
| Radio chipset |
Qualcomm QCA 9550-AT4B (CPU) & AR 8033-AL1B (Ethernet PHY) Qualcomm AR 9592-AR1B |
| NOR Flash NAND Flash RAM |
SPI Flash, 16MB NAND Flash, 256 MB DDR2, 200 MHz, 256 MB (64Mx16x2) |
| Operating System | Linux, OPENWRT, supports open source ath9K Linux driver |
| Security |
128-bit AES, WEP, TKIP and WAPI hardware encryption Support for IEEE 802.11d, e, h, i standards Small packet size (96 Bytes) in AES encryption at full packet rate Loopback mode to assist FIPS AES certification |
|
Operating frequency – 11 b/g/n Operating frequency – 11 b/g/n |
2400 MHz to 2483.5 MHz (2S, MIMO) 4900 MHz to 5850 MHz (2S, MIMO) |
|
Data rate – 1S, SISO
Data rate – 2S, MIMO |
1 Mbps, 2 Mbps, 5.5Mbps, 111 Mbps (11b) 6Mbps, 9Mbps, 12Mbps, 24Mbps, 36Mbps, 48Mbps,54Mbps (11g) MCS0, MCS1, MCS2, MCS3, MCS4, MCS5, MCS6, MCS7 (11n, 1S,SISO) MCS8, MCS9, MCS10, MCS11, MCS12, MCS13, MCS14, MCS15 (11n,2S,MIMO) |
| Channel BW – 2.4 GHz Channel BW – 900 MHz |
5 MHz/10 MHz/20 MHz /40 MHz 5 MHz/10 MHz/20 MHz |
| Compliance | RoHS, MIL-STD-810G Shock & Vibration |
| MAC ID | 74E277 Series |
| INTERFACE SPECIFICATIONS | |
| Power |
DC in, Passive POE |
| Operating Voltage | 9V to 30V, 14W max |
| RF Antenna connector | x4 N Bulkhead Female (Jack) connectors |
| ENVIRONMENTAL SPECIFICATIONS | |
| Operating Temperature Range | -40 deg C to +85 deg C |
| PHYSICAL SPECIFICATIONS | |
| Mechanical Dimension | (L) 100 mm x (W) 168 mm x (D) 45 mm |
| Weight | 700 g |
| REGULATORY INFORMATION | |
| Compliance | In Progress |
| PACKAGING INFORMATION | |
| No of units | TBD |
| ORDERING INFORMATION | |
| BKP4-OD-N2N2-2450 | BlackPepper 4, Outdoor, Dual Independent, 2×2 MIMO, IEEE 802.11 a/b/g/n, 2.4 GHz, 5 GHz Bands, 29 dBm |
| Frequency (MHz) | Data rate | TX Power per chain (dBm) | Current 24V (A) | RX Sensitivity (dBm) |
| 2412 TO 2462 | 1 Mbps | 26 | 0.300 | -99 |
| 6 Mbps | 26 | 0.300 | -96 | |
| MCS0-HT20 | 26 | 0.300 | -93 | |
| MCS0-HT40 | 26 | 0.300 | -90 | |
| 4920 TO 4990 | 6 Mbps | 23 | 0.23 | -94 |
| MCS0-HT20 | 26 | 0.27 | -92 | |
| MCS0-HT40 | 26 | 0.27 | -89 | |
| 5180 TO 5320 |
6 Mbps | 24 | 0.24 | -94 |
| MCS0-HT20 | 26 | 0.27 | -92 | |
| MCS0-HT40 | 26 | 0.27 | -89 | |
5500 TO 5720 |
6 Mbps | 26 | 0.27 | -94 |
| MCS0-HT20 | 26 | 0.27 | -92 | |
| MCS0-HT40 | 26 | 0.27 | -89 | |
| 5745 TO 5825 |
6 Mbps | 26 | 0.27 | -91 |
| MCS0-HT20 | 26 | 0.27 | -89 | |
| MCS0-HT40 | 26 | 0.27 | -86 |

Why Choose the BlackPepper 4 Outdoor System
Industrial wireless systems must last for years. They must operate in heat, cold, and constant use.
This system is designed for that kind of deployment.
It handles outdoor exposure with its IP67-rated enclosure. It operates in extreme temperature ranges. It delivers stable long-range links using 2×2 MIMO and high transmit power.
If you are developing wireless equipment as an OEM, OpenWRT compatibility gives you firmware control. If you are deploying field networks, the multi-band support gives you regulatory flexibility.
What this really means is fewer surprises after installation.
You get predictable performance. You get stable connectivity. You get a platform that supports industrial applications without unnecessary complexity.
Frequently Asked Questions About BlackPepper 4 Outdoor Wi-Fi 4
What is the maximum transmit power of the BlackPepper 4 Outdoor BKP4-OD-N2N2-2450 Wi-Fi 4?
The system supports up to 29 dBm transmit power. This helps maintain stable long-range wireless links in outdoor industrial deployments.
Does BlackPepper 4 Outdoor BKP4-OD-N2N2-2450 Wi-Fi 4 support OpenWRT?
Yes. It supports OpenWRT using the ath9k driver. This allows advanced routing, VLAN setup, and firmware customization.
What frequency bands are supported?
It supports 2.4 GHz ISM, 4.9 GHz public safety, and 5 GHz UNII bands.
Is it suitable for harsh outdoor environments?
Yes. It operates from -40°C to +85°C and features an IP67-rated enclosure for outdoor installation.
Can it be used for long-range wireless bridge systems?
Yes. With 2×2 MIMO and 29 dBm transmit power, it is suitable for long-distance point-to-point and point-to-multipoint deployments.
