Knowledge Base ›
Communication Modules
Official manufacturer
GLOBAL
verified Sept. 20, 2026
PRODUCT PHOTO · Sungrow
Identity
category
communication_modules
device_type
Plug-in 4G communication module (dongle) for a single Sungrow inverter
manufacturer
Sungrow
model
EyeS4
product_family
Eye
product_name
EyeS4
product_status
active
region
GLOBAL
region_variants
The fetched datasheet is the India edition; a separate EyeS4-EU model is listed in the EU compatibility list and is recorded as its own record.
Electrical
dc_input
DC 5.0 +/- 0.25 V
official_manual_url
http://support.sungrowpower.com/Document?materialId=material-e0c25223-30d3-48ae-9bce-37124c55b27a
EyeS4 Quick Installation Guide — search-index listing (query: Sungrow EyeS4 EyeS4-EU communication module manual); document located, not fetched
official_product_url
https://www.sungrowpower.com/in/en/products/intelligent-gateway/eyes4
EyeS4 product page (sungrowpower.com IN) — search-index listing (query: Sungrow EyeM4 data logger product page); document located, not fetched
power_consumption
Typ. 5 W, Max. 10 W
supply_voltage
100-240 V AC
Physical / mechanical
dimensions_w_h_d_mm
48 x 36 x 97 (as printed "48 mm * 36 mm * 97 mm")
installation
Plug and play
led
LED * 3
mounting
DIN-rail
weight_kg
0.055
Installation
cloud_vs_local
Cellular upload to iSolarCloud; local maintenance over Bluetooth
commissioning
—
max_supported_devices
1 (supported inverter number)
topology
One module per inverter
Environment
humidity
0 % - 95 % non-condensing
max_altitude_m
4000
operating_temperature_c
-30 to +60
operating_temperature_max_c
60.0
operating_temperature_min_c
-25.0
Interfaces & connectors
bluetooth
Yes - local maintenance over Bluetooth
cellular_4g
LTE FDD: B1 / B3 / B5 / B8; LTE TDD: B34 / B39 / B40 / B41; GSM: 900 MHz / 1800 MHz
ethernet
—
interfaces
RS485, Ethernet, Wi-Fi
modbus_rtu
—
modbus_tcp
—
register_map_availability
—
rs485
—
supported_devices_max
32
supported_inverters
—
wlan
—
Documents
quick_installation_guide
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
EyeS4 Quick Installation Guide — located, not retrieved
rev EyeS4-QIEN-Ver11-202307
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
image_enrichment_pass 2026-09-11 manufacturer_legal_entity_as_printed Sungrow Power Supply Co., Ltd.
