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Hoymiles DTU-Pro-S (Wi-Fi Version) Gateway

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

Prepared Nov 12, 2026

Common specifications

Device type
Gateway (data transfer unit): collects microinverter data over Sub-1G wireless and sends it to the S-Miles CloudSource [1, 2]
Communications
Sub-1G to microinverters, up to 400 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 HMS series, HMT series, MiT series and MiS series microinverters (with the exceptions the datasheet lists); 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. 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-S (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-S (Wi-Fi Version) column, Compliance, Certificates

[1]
Communications
Sub-1G to microinverters, up to 400 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-S (Wi-Fi Version) DTU-Pro-S (4G Version) Communication to Microinverter Signal Sub-1G Maximum distance (open space) (m) 400 Monitoring data limit from solar panels1 99 Communication to S-Miles Cloud Ethernet RJ45 × 1, 100 Mbps Wireless standard2 Wi-Fi: 802.11b/g/n 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Radio band (GHz) 2.4 Sample rate (min) Per 5" 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 APP S-Miles Installer" (Wi-Fi: 802.11b/g/n is the DTU-Pro-S (Wi-Fi Version) cell). 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-S (Wi-Fi Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals

Printed as "Model DTU-Pro-S (Wi-Fi Version) DTU-Pro-S (4G Version) Communication to Microinverter Signal Sub-1G Maximum distance (open space) (m) 400 Monitoring data limit from solar panels1 99 Communication to S-Miles Cloud Ethernet RJ45 × 1, 100 Mbps Wireless standard2 Wi-Fi: 802.11b/g/n 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Radio band (GHz) 2.4 Sample rate (min) Per 5" 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 APP S-Miles Installer" (Wi-Fi: 802.11b/g/n is the DTU-Pro-S (Wi-Fi Version) cell). 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-S (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 Sub-1G wireless and sends it to the S-Miles CloudDocumented claim
Conditions

The datasheet prints "The Hoymiles DTU-Pro-S gateway collects data from PV microinverters using a Sub-1G wireless connection and transmits it to the Hoymiles monitoring platform S-Miles Cloud via Ethernet, Wi-Fi, or 4G."; the product page prints "Hoymiles gateway DTU-Pro-S is a data transfer unit that collects information and data from a solar PV microinverter using a Sub-1G wireless solution and sends them to S-Miles Cloud, Hoymiles’ Monitoring Platform, using different communication options such as Ethernet, Wi-Fi or 4G."

Location: PDF page 1, Description; product page introduction

The datasheet prints "The Hoymiles DTU-Pro-S gateway collects data from PV microinverters using a Sub-1G wireless connection and transmits it to the Hoymiles monitoring platform S-Miles Cloud via Ethernet, Wi-Fi, or 4G."; the product page prints "Hoymiles gateway DTU-Pro-S is a data transfer unit that collects information and data from a solar PV microinverter using a Sub-1G wireless solution and sends them to S-Miles Cloud, Hoymiles’ Monitoring Platform, using different communication options such as Ethernet, Wi-Fi 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 (without antennas)", width by height by depth.

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

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

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

[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-S (Wi-Fi Version) column, Interaction

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

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

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

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

[1]
Mounting
Wall mounting / Desktop mountingNeeds confirmationHoymiles' DTU-Pro-S 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-S (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-S (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-S (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-S (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, 100 Mbps" (to S-Miles Cloud) and "RS485 COM × 1, 9600 bps, 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-S (Wi-Fi Version) column, Communication to S-Miles Cloud and Communication to Peripherals

Printed as "Ethernet RJ45 × 1, 100 Mbps" (to S-Miles Cloud) and "RS485 COM × 1, 9600 bps, 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-S (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 (V AC/Hz) 100 to 240 / 50 or 60 Adapter output voltage/current (V/A) 5 / 2 Power consumption (W) Typ. 1.5 / Max. 3.0 Typ. 2.5 / Max. 5.0": "Typ. 1.5 / Max. 3.0" is the Wi-Fi Version column and "Typ. 2.5 / Max. 5.0" the 4G Version column; typ. 1.5 W, max. 3.0 W is the DTU-Pro-S (Wi-Fi Version) figure.

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

Printed as "Power Supply (Adapter) Type External adapter Adapter input voltage/frequency (V AC/Hz) 100 to 240 / 50 or 60 Adapter output voltage/current (V/A) 5 / 2 Power consumption (W) Typ. 1.5 / Max. 3.0 Typ. 2.5 / Max. 5.0": "Typ. 1.5 / Max. 3.0" is the Wi-Fi Version column and "Typ. 2.5 / Max. 5.0" the 4G Version column; typ. 1.5 W, max. 3.0 W is the DTU-Pro-S (Wi-Fi Version) figure.

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

[1]
Supported devices
Hoymiles HMS series, HMT series, MiT series and MiS series microinverters (with the exceptions the datasheet lists); monitoring data from up to 99 solar panelsNeeds confirmationHoymiles' DTU-Pro-S datasheet (V202506) prints HMS, HMT, MiT and MiS series for both versions (shown); its North America product page prints HMS series only for the WIFI version, and HMS and HMT series in its Features list.
Conditions

Printed once for both versions as "Microinverter model HMS series3, HMT series, MiT series3, MiS Series" with note 3: "*3 DTU-Pro-S is compatible with: (a) HMS Series microinverters except HMS-300W/350W/400W/450W/500W-1T, HMS-600W/700W/800W/900W/1000W-2T, and HMS-1600DW/1800DW/2000DW-4T microinverters; (b) MiT Series microinverters except MIT-4000/4500/5000-8E Series microinverters." (datasheet shown). The product page's WIFI panel prints "Microinverter mode: HMS series" and its Features list "Sub-1G wireless solution enables stable communication with HMS, HMT series of microinverter." (the panel's value kept as an alternative).

Location: PDF page 2, Technical Specifications, DTU-Pro-S (Wi-Fi Version) column, Microinverter Compatibility, note 3

Printed once for both versions as "Microinverter model HMS series3, HMT series, MiT series3, MiS Series" with note 3: "*3 DTU-Pro-S is compatible with: (a) HMS Series microinverters except HMS-300W/350W/400W/450W/500W-1T, HMS-600W/700W/800W/900W/1000W-2T, and HMS-1600DW/1800DW/2000DW-4T microinverters; (b) MiT Series microinverters except MIT-4000/4500/5000-8E Series microinverters." (datasheet shown). The product page's WIFI panel prints "Microinverter mode: HMS series" and its Features list "Sub-1G wireless solution enables stable communication with HMS, HMT series of microinverter." (the panel's value kept as an alternative).

Location: PDF page 2, Technical Specifications, DTU-Pro-S (Wi-Fi Version) column, Microinverter Compatibility, note 3

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

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

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

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

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

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture)Official datasheet · Revision V202506 · Checked https://w3oss.hoymiles.com/uploadfile/1/202508/fbe4b5da49.pdf
  2. Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture)Official product page · Checked https://www.hoymiles.com/us/products/pro-s.html