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

Model: DTU-Pro-S · 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 CloudSource [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, 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. 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-S (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-S (4G Version) column, Compliance, Certificates Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (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 (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" (4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS is the DTU-Pro-S (4G Version) cell). 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-S (4G 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" (4G: TDD-LTE, FDD-LTE 3G: SCDMA 2G: GSM/GPRS is the DTU-Pro-S (4G Version) cell). 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-S (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S 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 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 Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S 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 (without antennas)", width by height by depth. Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G 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 (4G Version) column, Mechanical Data, Dimensions (W × H × D [mm]) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (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 (4G Version) column, Interaction Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM". Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Interaction Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (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-S (4G Version) column, Mechanical Data, Environmental rating Printed once for both versions as "Indoor-IP20". Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Environmental rating Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) [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 "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-S (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-S (4G Version) column, Mechanical Data, Installation method Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S 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-S (4G Version) column, Mechanical Data, Ambient temperature (℃) Printed once for both versions as "-20 to +55". Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Ambient temperature (℃) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (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 "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 (4G 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 (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (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 (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. 2.5 W, max. 5.0 W is the DTU-Pro-S (4G Version) figure. Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G 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. 2.5 W, max. 5.0 W is the DTU-Pro-S (4G Version) figure. Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Power Supply (Adapter) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) [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 HMT series only for the 4G 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 4G panel prints "Microinverter mode: HMT 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 (4G 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 4G panel prints "Microinverter mode: HMT 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 (4G Version) column, Microinverter Compatibility, note 3 Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture)Official product page · Hoymiles DTU-Pro-S 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 (kg) 0.20". Location: PDF page 2, Technical Specifications, DTU-Pro-S (4G 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 (4G Version) column, Mechanical Data, Weight (kg) Official datasheet · Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

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