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Hoymiles DTU-Pro-C (4G Version) Gateway

Model: DTU-Pro-C · SKU: Not documented

Prepared Nov 12, 2026

Common specifications

Device type
Gateway (data transfer unit): collects microinverter data over 2.4 GHz Proprietary RF (Nordic) and sends it to the S-Miles Cloud over Ethernet or 4GSource [1, 2]
Communications
2.4 GHz Proprietary RF (Nordic) to microinverters, up to 200 m in open space; Ethernet (RJ45, 100 Mbps) to S-Miles Cloud; 4G TDD-LTE, FDD-LTE; 3G SCDMA; 2G GSM/GPRS to S-Miles Cloud; RS485 (Modbus-RTU) and Ethernet (Modbus-TCP) to peripheralsSource [1, 2]
Supported devices
Hoymiles HM series and MI series microinverters; monitoring data from up to 99 solar panelsNeeds confirmationSource See note below[1, 2]
Ports
Ethernet RJ45 × 1 (100 Mbps, to S-Miles Cloud); RS485 COM × 1 (9600 bps, Modbus-RTU); Ethernet RJ45 × 1 (Modbus-TCP); DRM RJ45 × 1 (DRM0/5/6/7/8)Source [1]
Display
4 LED indicators (RUN, Cloud, MI, ALM)Source [1]
Power input
External adapter: 100 to 240 V AC, 50 or 60 Hz in, 5 V / 2 A out; consumption typ. 2.5 W, max. 5.0 WSource [1]
Mounting
Wall mounting / Desktop mountingSource [1, 2]
Enclosure
Indoor, IP20Source [1]
Operating temperature
-20 to 55 °C-4 to 131 °F convertedSource [1]
Weight
0.2 kg0.44 lb convertedSource [1]
Dimensions
29 D × 200 W × 101 H mm1.1 D × 7.87 W × 3.98 H in convertedSource [1]
Enclosure volume0.59 L** Calculated from recorded external dimensions
Warranty termNot documented

All recorded specifications

Certifications (as printed)
CE; FCC; IC; RCM; AnatelDocumented claim
Conditions

Printed as "Certificates CE, FCC, IC, RCM, Anatel". Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Compliance, Certificates

Printed as "Certificates CE, FCC, IC, RCM, Anatel". Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Compliance, Certificates

[1]
Communications
2.4 GHz Proprietary RF (Nordic) to microinverters, up to 200 m in open space; Ethernet (RJ45, 100 Mbps) to S-Miles Cloud; 4G TDD-LTE, FDD-LTE; 3G SCDMA; 2G GSM/GPRS to S-Miles Cloud; RS485 (Modbus-RTU) and Ethernet (Modbus-TCP) to peripheralsDocumented claim
Conditions

Printed as "Model DTU-Pro-C (4G Version) Communication to Microinverter Signal 2.4 GHz Proprietary RF (Nordic) Maximum distance (open space) 200 m Monitoring data limit from solar panels 991 Communication to S-Miles Cloud Ethernet RJ45 × 1, 100Mbps Wireless standard2 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Sample rate3 Per 5 minutes" and "Communication to Peripherals RS485 COM × 1, 9600 bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM RJ45 × 1, DRM0/5/6/7/8 Interaction LED LED Indicator × 4 – RUN, Cloud, MI, ALM". The product page's 4G Version panel prints the same signal, distance, Ethernet and wireless rows.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals

Printed as "Model DTU-Pro-C (4G Version) Communication to Microinverter Signal 2.4 GHz Proprietary RF (Nordic) Maximum distance (open space) 200 m Monitoring data limit from solar panels 991 Communication to S-Miles Cloud Ethernet RJ45 × 1, 100Mbps Wireless standard2 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Sample rate3 Per 5 minutes" and "Communication to Peripherals RS485 COM × 1, 9600 bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM RJ45 × 1, DRM0/5/6/7/8 Interaction LED LED Indicator × 4 – RUN, Cloud, MI, ALM". The product page's 4G Version panel prints the same signal, distance, Ethernet and wireless rows.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals

[1, 2]
Device type
Gateway (data transfer unit): collects microinverter data over 2.4 GHz Proprietary RF (Nordic) and sends it to the S-Miles Cloud over Ethernet or 4GDocumented claim
Conditions

Printed in the datasheet and on the page as "Hoymiles gateway DTU-Pro-C is a data transfer unit that collects information and data of PV microinverter using 2.4G wireless solution and sends them to S-Miles Cloud, Hoymiles monitoring System, using different communication options such as Ethernet or 4G."

Location: PDF page 1, Description; product page introduction

Printed in the datasheet and on the page as "Hoymiles gateway DTU-Pro-C is a data transfer unit that collects information and data of PV microinverter using 2.4G wireless solution and sends them to S-Miles Cloud, Hoymiles monitoring System, using different communication options such as Ethernet or 4G."

Location: PDF page 1, Description; product page introduction

[1, 2]
Dimensions
29 D × 200 W × 101 H mm1.1 D × 7.87 W × 3.98 H in convertedDocumented claim
Conditions

Printed as "200 × 101 × 29 mm (without antennas)", width by height by depth.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Dimensions (W × H × D)

Printed as "200 × 101 × 29 mm (without antennas)", width by height by depth.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Dimensions (W × H × D)

[1]
Display
4 LED indicators (RUN, Cloud, MI, ALM)Documented claim
Conditions

Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Interaction

Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Interaction

[1]
Enclosure
Indoor, IP20Documented claim
Conditions

Printed as "Indoor-IP20".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Environmental rating

Printed as "Indoor-IP20".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Environmental rating

[1]
Mounting
Wall mounting / Desktop mountingDocumented claim
Conditions

Printed as "Installation method Wall mounting / Desktop mounting"; the product page prints the same.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Installation method

Printed as "Installation method Wall mounting / Desktop mounting"; the product page prints the same.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Installation method

[1, 2]
Operating temperature
-20 to 55 °C-4 to 131 °F convertedDocumented claim
Conditions

Printed as "-20℃ to 55℃".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Ambient temperature

Printed as "-20℃ to 55℃".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Ambient temperature

[1]
Ports
Ethernet RJ45 × 1 (100 Mbps, to S-Miles Cloud); RS485 COM × 1 (9600 bps, Modbus-RTU); Ethernet RJ45 × 1 (Modbus-TCP); DRM RJ45 × 1 (DRM0/5/6/7/8)Documented claim
Conditions

Printed as "Ethernet RJ45 × 1, 100Mbps" (to S-Miles Cloud) and "Communication to Peripherals RS485 COM × 1, 9600 bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM RJ45 × 1, DRM0/5/6/7/8"; the datasheet does not say whether the two Ethernet rows are one port.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals

Printed as "Ethernet RJ45 × 1, 100Mbps" (to S-Miles Cloud) and "Communication to Peripherals RS485 COM × 1, 9600 bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM RJ45 × 1, DRM0/5/6/7/8"; the datasheet does not say whether the two Ethernet rows are one port.

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals

[1]
Power input
External adapter: 100 to 240 V AC, 50 or 60 Hz in, 5 V / 2 A out; consumption typ. 2.5 W, max. 5.0 WDocumented claim
Conditions

Printed as "Power Supply (Adapter) Type External adapter Adapter input voltage/frequency 100 to 240 V AC / 50 or 60 Hz Adapter output voltage/current 5 V / 2 A Power consumption Typ. 2.5 W / Max. 5.0 W".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Power Supply (Adapter)

Printed as "Power Supply (Adapter) Type External adapter Adapter input voltage/frequency 100 to 240 V AC / 50 or 60 Hz Adapter output voltage/current 5 V / 2 A Power consumption Typ. 2.5 W / Max. 5.0 W".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Power Supply (Adapter)

[1]
Supported devices
Hoymiles HM series and MI series microinverters; monitoring data from up to 99 solar panelsNeeds confirmationHoymiles' DTU-Pro-C datasheet prints HM series and MI series (shown); its North America product page's Tech Specs prints HM series only.
Conditions

Printed as "Microinverter model HM series, MI series" and "Monitoring data limit from solar panels 991" (99 with note 1); the datasheet's features also print "Stable communication with HM, MI series of microinverter" (datasheet shown). The product page's Tech Specs prints "Microinverter mode: HM series" (kept as an alternative).

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Microinverter Compatibility and Monitoring data limit from solar panels

Printed as "Microinverter model HM series, MI series" and "Monitoring data limit from solar panels 991" (99 with note 1); the datasheet's features also print "Stable communication with HM, MI series of microinverter" (datasheet shown). The product page's Tech Specs prints "Microinverter mode: HM series" (kept as an alternative).

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Microinverter Compatibility and Monitoring data limit from solar panels

[1, 2]
Weight
0.2 kg0.44 lb convertedDocumented claim
Conditions

Printed as "Weight 0.20 kg".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Weight

Printed as "Weight 0.20 kg".

Location: PDF page 2, Technical Specifications, DTU-Pro-C (4G Version) column, Mechanical Data, Weight

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. Hoymiles Data Transfer Unit Datasheet DTU-Pro-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture)Official datasheet · Revision V202507 REV1.1 · Checked https://w3oss.hoymiles.com/uploadfile/1/202507/b74232ac22.pdf
  2. Hoymiles DTU-Pro-C product page, North America (November 2, 2026 capture)Official product page · Checked https://www.hoymiles.com/us/products/dtu-pro-c.html