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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.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals
Documented
Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM".
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Interaction
Documented
Printed once for both versions as "Weight (kg) 0.20".
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Weight (kg)
Documented
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."
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentOfficial product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 1, Description; product page introduction
Documented
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.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Power Supply (Adapter)
Documented
Printed once for both versions as "200 × 101 × 29 (without antennas)", width by height by depth.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Dimensions (W × H × D [mm])
Calculated
Hoymiles' 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.
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).
Printed as "Installation method: Desktop mounting".
Official product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Installation method
Documented
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.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentOfficial product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals
Documented
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.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Communication to S-Miles Cloud and Communication to Peripherals
Documented
Printed as "LED Indicator × 4 – RUN, Cloud, MI, ALM".
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Interaction
Documented
Printed once for both versions as "Weight (kg) 0.20".
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Weight (kg)
Documented
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."
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentOfficial product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 1, Description; product page introduction
Documented
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.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Power Supply (Adapter)
Documented
Printed once for both versions as "200 × 101 × 29 (without antennas)", width by height by depth.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Dimensions (W × H × D [mm])
Documented
Hoymiles' 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.
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).
Printed as "Installation method: Desktop mounting".
Official product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Installation method
Documented
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.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentOfficial product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Communication to Microinverter, to S-Miles Cloud and to Peripherals
Documented
Printed once for both versions as "Indoor-IP20".
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Environmental rating
Documented
Hoymiles' 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.
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).
Printed as "Microinverter mode: HMT series" and "Monitoring data limit from solar panels: 99".
Official product page: Hoymiles DTU-Pro-S product page, North America (November 2, 2026 capture) Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Microinverter Compatibility, note 3
Documented
Printed once for both versions as "Certificates CE, FCC, IC, RCM, Anatel". Manufacturer claims; no issuer directory was checked.
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Compliance, Certificates
Documented
Printed once for both versions as "-20 to +55".
Official datasheet: Hoymiles Data Transfer Unit Datasheet DTU-Pro-S (Region: Global, V202506) (November 2, 2026 capture) Rev V202506 · Checked · Earlier documentLocation: PDF page 2, Technical Specifications, DTU-Pro-S (4G Version) column, Mechanical Data, Ambient temperature (℃)
Documented
Published claims and calculations, not independent test results.
Reached from Hoymiles' download page https://www.hoymiles.com/downloads/datasheet-dtu-pro-s-global-en.html; obtained by Alternative Research, captured 2026-11-02T01:58:48.372Z (archived copy).
Location: PDF page 1 (description, features); PDF page 2, Technical Specifications (columns DTU-Pro-S (Wi-Fi Version) and DTU-Pro-S (4G Version))
Retrieved
Hoymiles' own datasheet for the DTU-Pro-S gateway, Wi-Fi and 4G versions (Region: Global, V202506), listed on Hoymiles' download page https://www.hoymiles.com/downloads/datasheet-dtu-pro-s-global-en.html, which redirects to this file on Hoymiles' file host. Obtained by Alternative Research on November 2, 2026 (captured 01:58:48.372 UTC), because Hoymiles' file host answers our fetcher with a 403; each fact was checked against the printed page. Manufacturer claims, not independent tests.
Archived copy of a document published by Hoymiles. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what Hoymiles published. Original address: https://w3oss.hoymiles.com/uploadfile/1/202508/fbe4b5da49.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: b5f56eebc8782b23db33e8b16a70aa412c634c32874e892a875f79be01b10b0c
Archived copy captured on 2026-11-02.
Location: Introduction; Features; Tech Specs tabs WIFI, 4G
Retrieved
Hoymiles' own North America product page for the DTU-Pro-S gateway, captured on November 2, 2026 at 01:38:52.966 UTC with the paced research fetcher (HTTP 200). It prints "Hoymiles provides Wi-Fi version DTU-Pro-S and 4G version DTU-Pro-S". Its Tech Specs block has one tab per version (WIFI, 4G) and one panel per tab; the page's own script shows panel N for tab N, and each panel's wireless row names its version. The page prints no separate model code per version. It carries no revision or date. Manufacturer claims, not independent tests.
Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.
Archived copy of a document published by Hoymiles. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what Hoymiles published. Original address: https://w3oss.hoymiles.com/uploadfile/1/202508/fbe4b5da49.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: b5f56eebc8782b23db33e8b16a70aa412c634c32874e892a875f79be01b10b0c
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