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Hoymiles DTU-G100 Gateway

Model: DTU-G100 · SKU: Not documented

Prepared Nov 12, 2026

Common specifications

Device type
Data transfer unit (gateway): collects microinverter data over 2.4 GHz RF and sends it to the S-Miles Cloud over GSMSource [1]
Communications
GSM 850/900/1800/1900 MHz (to S-Miles Cloud); 2.4 GHz Proprietary RF (Nordic) to microinverters, up to 150 m in open spaceSource [1]
Supported devices
Hoymiles HM series and MI series microinverters; up to 99 solar panels monitored (depends on the installation environment)Source [1]
PortsNot documented
Display
LED indicatorSource [1]
Power input
External adapter, 100 to 240 V AC, 50 or 60 Hz in, 5 V/2 A out; power consumption 1.0 W typical, 5 W maximumSource [1]
Mounting
Direct pluginSource [1]
EnclosureNot documented
Operating temperature
-20 to 55 °C-4 to 131 °F convertedSource [1]
Weight
0.04 kg0.1 lb convertedCalculatedSource [1]
Dimensions
12.5 D × 143 W × 33 H mm0.49 D × 5.63 W × 1.3 H in convertedSource [1]
Enclosure volume0.06 L** Calculated from recorded external dimensions
Warranty term
2 yearsSource [1]

All recorded specifications

Certifications (as printed)
FCC Part 15B; FCC Part 15C; EN 62368-1; EN 61000-3-2; EN 61000-3-3; EN 301489; EN 300328; EN 300440Documented claim
Conditions

Compliance row as printed once for both models. Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Compliance

Compliance row as printed once for both models. Manufacturer claims; no issuer directory was checked.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Compliance

[1]
Communications
GSM 850/900/1800/1900 MHz (to S-Miles Cloud); 2.4 GHz Proprietary RF (Nordic) to microinverters, up to 150 m in open spaceDocumented claim
Conditions

Printed as "GSM (850/900/1800/1900 MHz)" in the DTU-G100 column of the cloud signal row, and once for both models as "Signal 2.4 GHz Proprietary RF (Nordic)" and "Maximum distance (open space) 150 m".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Communication to Cloud and Communication to Microinverter

Printed as "GSM (850/900/1800/1900 MHz)" in the DTU-G100 column of the cloud signal row, and once for both models as "Signal 2.4 GHz Proprietary RF (Nordic)" and "Maximum distance (open space) 150 m".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Communication to Cloud and Communication to Microinverter

[1]
Device type
Data transfer unit (gateway): collects microinverter data over 2.4 GHz RF and sends it to the S-Miles Cloud over GSMDocumented claim
Conditions

The description prints "Hoymiles gateway DTU- W100/G100 is a data transfer unit which collects information and data of PV microinverter using 2.4G wireless solution and sends them to S-Miles Cloud" (by Wi-Fi or GPRS); the DTU-G100 column of the cloud signal row prints "GSM (850/900/1800/1900 MHz)".

Location: PDF page 1, Description; PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Communication to Cloud

The description prints "Hoymiles gateway DTU- W100/G100 is a data transfer unit which collects information and data of PV microinverter using 2.4G wireless solution and sends them to S-Miles Cloud" (by Wi-Fi or GPRS); the DTU-G100 column of the cloud signal row prints "GSM (850/900/1800/1900 MHz)".

Location: PDF page 1, Description; PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Communication to Cloud

[1]
Dimensions
12.5 D × 143 W × 33 H mm0.49 D × 5.63 W × 1.3 H in convertedDocumented claim
Conditions

Printed once for both models as "143 × 33 × 12.5", width by height by depth.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, Dimensions

Printed once for both models as "143 × 33 × 12.5", width by height by depth.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, Dimensions

[1]
Display
LED indicatorDocumented claim
Conditions

Printed as "Interaction LED LED Indicator" (LED indicator), with the local app S-Miles Toolkit.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Interaction

Printed as "Interaction LED LED Indicator" (LED indicator), with the local app S-Miles Toolkit.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Interaction

[1]
Mounting
Direct pluginDocumented claim
Conditions

Printed once for both models as "Installation options Direct plugin".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, Installation

Printed once for both models as "Installation options Direct plugin".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, Installation

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

Printed once for both models as "Ambient temperature range (°C) -20 to 55".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, ambient temperature range

Printed once for both models as "Ambient temperature range (°C) -20 to 55".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, ambient temperature range

[1]
Power input
External adapter, 100 to 240 V AC, 50 or 60 Hz in, 5 V/2 A out; power consumption 1.0 W typical, 5 W maximumDocumented claim
Conditions

Printed once for both models as "Type External adapter", "Adapter input voltage/frequency 100 VAC–240 VAC/50 Hz or 60 Hz", "Adapter output voltage/current 5 V/2 A" and "Power consumption 1.0 W (typical), 5 W (maximum)".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Power Supply (Adapter)

Printed once for both models as "Type External adapter", "Adapter input voltage/frequency 100 VAC–240 VAC/50 Hz or 60 Hz", "Adapter output voltage/current 5 V/2 A" and "Power consumption 1.0 W (typical), 5 W (maximum)".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Power Supply (Adapter)

[1]
Sample rate
15 minutesDocumented claim
Conditions

Printed once for both models as "Sampling rate Per 15 minutes".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), sampling rate

Printed once for both models as "Sampling rate Per 15 minutes".

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), sampling rate

[1]
Supported devices
Hoymiles HM series and MI series microinverters; up to 99 solar panels monitored (depends on the installation environment)Documented claim
Conditions

Printed once for both models as "Microinverter model HM series, MI series". The panel limit is printed once for both models as 99 with a raised note 1, "This depends on the installation environment. Please refer to user manual for more details."; the text layer runs the note number into the figure.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), microinverter compatibility and monitoring data limit

Printed once for both models as "Microinverter model HM series, MI series". The panel limit is printed once for both models as 99 with a raised note 1, "This depends on the installation environment. Please refer to user manual for more details."; the text layer runs the note number into the figure.

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), microinverter compatibility and monitoring data limit

[1]
Weight
0.04 kg0.1 lb convertedCalculated43 g / 1000 g/kg = 0.043 kg
Conditions

Printed once for both models as "Weight 43 g" (written in kg).

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, Weight

Printed once for both models as "Weight 43 g" (written in kg).

Location: PDF page 2, Technical Specifications, DTU-G100 column (column 2 of 2), Mechanical Data, Weight

[1]

Warranty

Warranty term
2 yearsDocumented claim
Conditions

Printed once for both models as "Standard warranty 2 years". The datasheet prints no warranty terms.

Location: PDF page 2, Technical Specifications, Standard warranty

Printed once for both models as "Standard warranty 2 years". The datasheet prints no warranty terms.

Location: PDF page 2, Technical Specifications, Standard warranty

[1]

Certificate records

No records documented.

Sources and revisions

  1. Hoymiles Data Transfer Unit datasheet DTU-W100 and DTU-G100, 3rd Gen (Region: Global, V202202) (November 2, 2026 capture)Official datasheet · Revision V202202 · Checked https://w3oss.hoymiles.com/uploadfile/1/202506/db237011fc.pdf