Bzyk D200 - EMS Modem with LTE Communication

Bzyk D200 is an ultra-compact EMS modem designed for photovoltaic micro-installations, enabling active energy management within the built-in EMS system. The device acts as a communication gateway connecting inverters, energy storage systems, and meters to the cloud via built-in LTE connectivity and local Wireless M-Bus (HAN) interface.

Manufacturer: Zeronest (Pysense) — a Polish company designing and manufacturing energy management and communication solutions for prosumer installations and small to medium enterprises. Bzyk D200 has been designed and manufactured in Poland with an emphasis on industrial reliability and compliance with current EU regulatory requirements for CE certification and the RED directive.

Electrical and functional parameters

• LTE connectivity: LTE Cat 1 (SMB ANT)
• Wireless M-Bus (HAN): T1/C1 - 868 MHz (OMS) (SMB ANT)
• Serial interface: 1 × RS485 HD with galvanic isolation
• Power supply: 12 V DC
• SIM / eSIM: 1 × MFF2 (chip)
• Security and cloud protocols: MQTT, TLS 1.2, FOTA, AWS IoT Core
• Indicators: 3 × LED indicating device status
• Certificates: CE, RED
• Operating temperature: -20°C to 55°C

Mechanical parameters

• Dimensions: 90 × 58 × 18 mm
• Enclosure protection degree: IP20
• Mounting: TH35 rail - DIN 1S
• Material / flammability classification: UL94-V0