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Hoymiles DTU-Pro (Wi-Fi Version) Gateway

Model: DTU-Pro · SKU: Not documented

Prepared Nov 12, 2026

Common specifications

Device type
Gateway (data transfer unit): collects microinverter data over 2.4 GHz wireless and sends it to the S-Miles CloudSource [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; Wi-Fi 802.11b/g/n 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 panelsSource [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. 1.5 W, max. 3.0 WSource [1]
Mounting
Wall mounting / Desktop mountingNeeds confirmationSource See note below[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 once for both versions as "Certificates CE, FCC, IC, RCM, Anatel". Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Compliance, Certificates

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

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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; Wi-Fi 802.11b/g/n to S-Miles Cloud; RS485 (Modbus-RTU) and Ethernet (Modbus-TCP) to peripheralsDocumented claim
Conditions

Printed as "Model DTU-Pro (Wi-Fi Version) DTU-Pro (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 Wi-Fi: 802.11b/g/n 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Sample rate3 Per 5 minutes" and "Communication to Peripherals RS485 COM × 1, 9600bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM ) RJ45 × 1, DRM0/5/6/7/8 Interaction LED LED Indicator × 4 – RUN, Cloud, MI, ALM APP S-Miles Installer" (Wi-Fi: 802.11b/g/n is the DTU-Pro (Wi-Fi Version) cell). The sample rate is printed as "Per 5 minutes" with the note "*3 The sampling rate depends on the number of monitored solar panels. If there are fewer than 60 panels, the sampling rate is every 5 minutes. If there are more than 60, the rate is every 15 minutes." The product page's WIFI panel prints the wireless link to S-Miles Cloud as Wi-Fi 802.11b/g/n.

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

Printed as "Model DTU-Pro (Wi-Fi Version) DTU-Pro (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 Wi-Fi: 802.11b/g/n 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Sample rate3 Per 5 minutes" and "Communication to Peripherals RS485 COM × 1, 9600bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM ) RJ45 × 1, DRM0/5/6/7/8 Interaction LED LED Indicator × 4 – RUN, Cloud, MI, ALM APP S-Miles Installer" (Wi-Fi: 802.11b/g/n is the DTU-Pro (Wi-Fi Version) cell). The sample rate is printed as "Per 5 minutes" with the note "*3 The sampling rate depends on the number of monitored solar panels. If there are fewer than 60 panels, the sampling rate is every 5 minutes. If there are more than 60, the rate is every 15 minutes." The product page's WIFI panel prints the wireless link to S-Miles Cloud as Wi-Fi 802.11b/g/n.

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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 wireless and sends it to the S-Miles CloudDocumented claim
Conditions

The datasheet prints "Hoymiles gateway DTU-Pro is a data transfer unit that collects information and data of microinverters using 2.4 G wireless solution and sends them to our monitoring platform S-Miles Cloud via Ethernet, Wi-Fi, or 4G."; the product page prints "The Hoymiles Gateway DTU-Pro is a data transfer unit that efficiently collects information and data from PV microinverters using a 2.4G wireless solution. It then transmits this data to the S-Miles Cloud, Hoymiles’ monitoring system, using different communication options such as Ethernet, Wi-Fi, GPRS, or 4G."

Location: PDF page 1, Description; product page introduction

The datasheet prints "Hoymiles gateway DTU-Pro is a data transfer unit that collects information and data of microinverters using 2.4 G wireless solution and sends them to our monitoring platform S-Miles Cloud via Ethernet, Wi-Fi, or 4G."; the product page prints "The Hoymiles Gateway DTU-Pro is a data transfer unit that efficiently collects information and data from PV microinverters using a 2.4G wireless solution. It then transmits this data to the S-Miles Cloud, Hoymiles’ monitoring system, using different communication options such as Ethernet, Wi-Fi, GPRS, 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 once for both versions as "200 × 101 × 29 mm (without antennas)", width by height by depth.

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

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

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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 (Wi-Fi Version) column, Interaction

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

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Interaction

[1]
Enclosure
Indoor, IP20Documented claim
Conditions

Printed once for both versions as "Indoor-IP20".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Environmental rating

Printed once for both versions as "Indoor-IP20".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Environmental rating

[1]
Mounting
Wall mounting / Desktop mountingNeeds confirmationHoymiles' DTU-Pro datasheet prints "Wall mounting / Desktop mounting" for both versions (shown); its North America product page prints "Wall mounting" for the WIFI version.
Conditions

Printed once for both versions as "Installation method Wall mounting / Desktop mounting" (datasheet shown). The product page's WIFI panel prints "Installation method: Wall mounting" (kept as an alternative).

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Installation method

Printed once for both versions as "Installation method Wall mounting / Desktop mounting" (datasheet shown). The product page's WIFI panel prints "Installation method: Wall mounting" (kept as an alternative).

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Installation method

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

Printed once for both versions as "-20℃ to 55℃".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Ambient temperature

Printed once for both versions as "-20℃ to 55℃".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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 "RS485 COM × 1, 9600bps, Modbus-RTU Ethernet RJ45 × 1, Modbus-TCP DRM ) RJ45 × 1, DRM0/5/6/7/8" (to peripherals); the datasheet does not say whether the two Ethernet rows are one port.

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

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

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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. 1.5 W, max. 3.0 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. 1.5 W / Max. 3.0 W Typ. 2.5 W / Max. 5.0 W": "Typ. 1.5 W / Max. 3.0 W" is the Wi-Fi Version column and "Typ. 2.5 W / Max. 5.0 W" the 4G Version column; typ. 1.5 W, max. 3.0 W is the DTU-Pro (Wi-Fi Version) figure.

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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. 1.5 W / Max. 3.0 W Typ. 2.5 W / Max. 5.0 W": "Typ. 1.5 W / Max. 3.0 W" is the Wi-Fi Version column and "Typ. 2.5 W / Max. 5.0 W" the 4G Version column; typ. 1.5 W, max. 3.0 W is the DTU-Pro (Wi-Fi Version) figure.

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Power Supply (Adapter)

[1]
Supported devices
Hoymiles HM series and MI series microinverters; monitoring data from up to 99 solar panelsDocumented claim
Conditions

Printed as "Microinverter model HM series, MI series" and "Monitoring data limit from solar panels 991" (99 with note 1, "This depends on the installation environment"). The product page prints "Microinverter mode: HM series, MI series" and "Monitoring data limit from solar panels: 99".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi 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, "This depends on the installation environment"). The product page prints "Microinverter mode: HM series, MI series" and "Monitoring data limit from solar panels: 99".

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

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

Printed once for both versions as "Weight 0.20 kg".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Weight

Printed once for both versions as "Weight 0.20 kg".

Location: PDF page 2, Technical Specifications, DTU-Pro (Wi-Fi Version) column, Mechanical Data, Weight

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture)Official datasheet · Revision V202507 REV1.2 · Checked https://w3oss.hoymiles.com/uploadfile/1/202507/a4c54b36f8.pdf
  2. Hoymiles DTU-Pro product page, North America (November 2, 2026 capture)Official product page · Checked https://www.hoymiles.com/us/products/dtu-pro.html