MikroTik RB931-2nD (hAP mini) 

• Wireless 2.4 GHz dual-chain, supporting 802.11b/g/n standards
• 3 x 10/100 Mbps Ethernet ports, configurable as one WAN and two LAN
• CPU: QCA9533 single-core at 650 MHz with 32 MB RAM and 16 MB flash
• RouterOS Level 4 license for advanced routing and security features
• Passive cooling for silent operation
• MicroUSB 5V power input
• Certifications include FCC and IC compliance

SPECIFICATIONS OF MIKROTIK RB931-2nd

PRODUCT DETAILS

• Brand: Mikrotik
• Series: hAP mini (hAP series)
• Model Number: RB931-2nD
• Product Type: Wireless Access Point
• Item weight: 0.25 kg
• Product Dimensions: 48 X 78 X 81 mm
• Color: Black
• Manufacturer: MikroTik

⇒TECHNICAL DATASHEET

PERFORMANCE

The MikroTik hAP mini (model RB931‑2nD) punches above its size: equipped with a 650 MHz CPU and the RouterOS platform, it delivers nearly full line-rate 100 Mbps LAN throughput in bridging or routing mode under “fast path” conditions (e.g., ~296 Mbps with 1518-byte packets) yet sees its performance drop under heavy filtering or many queue-rules (e.g., ~43.9 Mbps with 25 bridge filters). On WiFi, it supports 2.4 GHz 802.11b/g/n with a theoretical throughput of up to ~300 Mbps. However, in real-world use, clients report solid speeds for home use but limited range and manageability for advanced deployments.  In short: excellent value and flexibility for home or small-office use, especially as a wired router/access point, but not designed for heavy enterprise traffic, high client counts, or cutting-edge wireless performance.

POWER CONSUMPTION

VERSATILITY

RELIABILITY

It is designed for long service life; the RB931-2nD has an estimated Mean Time Between Failures (MTBF) of approximately 100,000 hours at room temperature. Operating reliably in a broad temperature range from -20°C to 70°C, it ensures stable performance even in challenging environments. The fanless design decreases moving parts, reducing potential points of failure and ensuring quiet operation.

ENERGY EFFICIENCY 

Despite offering decent routing and Wi­Fi functionality, the hAP mini maintains very low power consumption — its maximum power draw is specified as about 3.5 W (5 V input via micro-USB). Because it lacks active cooling (no fan) and uses a modest CPU and 2.4 GHz WiFi only design, its standby/idle consumption is extremely modest, making it an excellent choice for environments where power use matters (e.g., home, small office, off-grid setups). In short, for a fully functioning access point and router with three Ethernet ports, 2.4 GHz WiFi, and full RouterOS capabilities, you get performance with a very low energy footprint — ideal for continuous operation and minimal electricity costs.

APPLICATION AREAS

This is ideally suited for small office/home office (SOHO) environments, providing reliable and straightforward 2.4 GHz wireless connectivity with three Ethernet ports for flexible wired networking. It is perfect for compact spaces such as homes, small offices, cafes, and retail outlets where moderate client density and network traffic are typical. The device also fits well in libraries, study rooms, and other small public areas needing basic internet access with easy management. Its compact size and low power consumption make it suitable for remote or temporary deployments and small branch offices requiring simple wireless and wired networking solutions without complex infrastructure. In essence, the RB931-2nD is a cost-effective and efficient option for diverse small-scale networking needs demanding stable, secure, and manageable connectivity.

CONCLUSION