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Hoymiles DTU-Pro (4G Version) Gateway

Model: DTU-Pro · SKU: Not documented

Prepared Nov 12, 2026

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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; 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 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. 2.5 W, max. 5.0 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 volume	0.59 L** Calculated from recorded external dimensions
Warranty term	Not 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 (4G 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 (4G Version) column, Compliance, Certificates Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [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 (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" (4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS is the DTU-Pro (4G 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 4G panel prints the wireless link to S-Miles Cloud as 4G TDD-LTE, FDD-LTE; 3G SCDMA; 2G GSM/GPRS. Location: PDF page 2, Technical Specifications, DTU-Pro (4G 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" (4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS is the DTU-Pro (4G 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 4G panel prints the wireless link to S-Miles Cloud as 4G TDD-LTE, FDD-LTE; 3G SCDMA; 2G GSM/GPRS. Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro product page, North America (November 2, 2026 capture) [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 Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro product page, North America (November 2, 2026 capture) [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 (4G 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 (4G Version) column, Mechanical Data, Dimensions (W × H × D) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [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 (4G Version) column, Interaction Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM". Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Interaction Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [1]
Enclosure	Indoor, IP20Documented claim Conditions Printed once for both versions as "Indoor-IP20". Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Mechanical Data, Environmental rating Printed once for both versions as "Indoor-IP20". Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Mechanical Data, Environmental rating Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [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 "Desktop mounting" for the 4G version. Conditions Printed once for both versions as "Installation method Wall mounting / Desktop mounting" (datasheet shown). The product page's 4G panel prints "Installation method: Desktop mounting" (kept as an alternative). Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Mechanical Data, Installation method Printed once for both versions as "Installation method Wall mounting / Desktop mounting" (datasheet shown). The product page's 4G panel prints "Installation method: Desktop mounting" (kept as an alternative). Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Mechanical Data, Installation method Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro product page, North America (November 2, 2026 capture) [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 (4G Version) column, Mechanical Data, Ambient temperature Printed once for both versions as "-20℃ to 55℃". Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Mechanical Data, Ambient temperature Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [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 (4G 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 (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [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. 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. 2.5 W, max. 5.0 W is the DTU-Pro (4G Version) figure. Location: PDF page 2, Technical Specifications, DTU-Pro (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. 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. 2.5 W, max. 5.0 W is the DTU-Pro (4G Version) figure. Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Power Supply (Adapter) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [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 (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, "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 (4G Version) column, Microinverter Compatibility and Monitoring data limit from solar panels Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro product page, North America (November 2, 2026 capture) [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 (4G Version) column, Mechanical Data, Weight Printed once for both versions as "Weight 0.20 kg". Location: PDF page 2, Technical Specifications, DTU-Pro (4G Version) column, Mechanical Data, Weight Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro (Region: Global, V202507 REV1.2) (November 2, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

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