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

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

Prepared Nov 12, 2026

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Common specifications

Device type	Gateway (data transfer unit): collects microinverter data over Sub-1G wireless and sends it to the S-Miles Cloud over Ethernet or 4GSource [1, 2]
Communications	Sub-1G to microinverters, up to 400 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 HMS series and HMT 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 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 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 as "Certificates CE, FCC, IC, RCM, Anatel". Manufacturer claims; no issuer directory was checked. Location: PDF page 2, Technical Specifications, DTU-Pro-S-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-S-C (4G Version) column, Compliance, Certificates Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture) [1]
Communications	Sub-1G to microinverters, up to 400 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-S-C (4G Version) Communication to Microinverter Signal Sub-1G Maximum distance (open space) 400 m Monitoring data limit from solar panels1 99 Communication to S-Miles Cloud Ethernet RJ45 × 1, 100 Mbps Wireless standard2 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Radio band 2.4 GHz 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-S-C (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals Printed as "Model DTU-Pro-S-C (4G Version) Communication to Microinverter Signal Sub-1G Maximum distance (open space) 400 m Monitoring data limit from solar panels1 99 Communication to S-Miles Cloud Ethernet RJ45 × 1, 100 Mbps Wireless standard2 4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS Radio band 2.4 GHz 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-S-C (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S-C product page, North America (November 2, 2026 capture) [1, 2]
Device type	Gateway (data transfer unit): collects microinverter data over Sub-1G wireless 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-S-C is a data transfer unit that collects information and data of PV microinverters using Sub-1G wireless solution and sends them to our monitoring platform S-Miles Cloud via Ethernet or 4G." Location: PDF page 1, Description; product page introduction Printed in the datasheet and on the page as "Hoymiles gateway DTU-Pro-S-C is a data transfer unit that collects information and data of PV microinverters using Sub-1G wireless solution and sends them to our monitoring platform S-Miles Cloud via Ethernet or 4G." Location: PDF page 1, Description; product page introduction Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S-C 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 as "200 × 101 × 29 mm (without antennas)", width by height by depth. Location: PDF page 2, Technical Specifications, DTU-Pro-S-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-S-C (4G Version) column, Mechanical Data, Dimensions (W × H × D) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (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-S-C (4G Version) column, Interaction Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Interaction Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture) [1]
Enclosure	Indoor, IP20Documented claim Conditions Printed as "Indoor-IP20". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Mechanical Data, Environmental rating Printed as "Indoor-IP20". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Mechanical Data, Environmental rating Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture) [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-S-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-S-C (4G Version) column, Mechanical Data, Installation method Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S-C product page, North America (November 2, 2026 capture) [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-S-C (4G Version) column, Mechanical Data, Ambient temperature Printed as "-20℃ to +55℃". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Mechanical Data, Ambient temperature Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (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, 100 Mbps" (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-S-C (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals Printed as "Ethernet RJ45 × 1, 100 Mbps" (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-S-C (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (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. 2.5 W / Max. 5.0 W". Location: PDF page 2, Technical Specifications, DTU-Pro-S-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-S-C (4G Version) column, Power Supply (Adapter) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture) [1]
Supported devices	Hoymiles HMS series and HMT series microinverters; monitoring data from up to 99 solar panelsDocumented claim Conditions Printed as "Microinverter model HMS series, HMT series" and "Monitoring data limit from solar panels1 99"; the datasheet's features print "Sub-1G wireless solution enables stable communication with HMS and HMT series microinverters". The product page's Tech Specs prints "Microinverter mode: HMS series, HMT series". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Microinverter Compatibility and Monitoring data limit from solar panels Printed as "Microinverter model HMS series, HMT series" and "Monitoring data limit from solar panels1 99"; the datasheet's features print "Sub-1G wireless solution enables stable communication with HMS and HMT series microinverters". The product page's Tech Specs prints "Microinverter mode: HMS series, HMT series". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Microinverter Compatibility and Monitoring data limit from solar panels Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S-C product page, North America (November 2, 2026 capture) [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-S-C (4G Version) column, Mechanical Data, Weight Printed as "Weight 0.20 kg". Location: PDF page 2, Technical Specifications, DTU-Pro-S-C (4G Version) column, Mechanical Data, Weight Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

Hoymiles Data Transfer Unit Datasheet DTU-Pro-S-C (Region: North America, V202507 REV1.1) (November 2, 2026 capture)Official datasheet · Revision V202507 REV1.1 · Checked Nov 1, 2026https://w3oss.hoymiles.com/uploadfile/1/202507/d6e9cfacec.pdf
Hoymiles DTU-Pro-S-C product page, North America (November 2, 2026 capture)Official product page · Checked Nov 1, 2026https://www.hoymiles.com/us/products/dtu-pro-s-c.html