The SMART-DUPLINE SUB MASTER WIRELESS BASE UNIT REV.7 (Part Number: SH2WBU230) manufactured by CARLO GAVAZZI is an advanced wireless communication device designed for industrial automation and home automation applications. It operates as a wireless access point and router within the WiDup protocol, based on IEEE 802.15.4 at 2.4 GHz, ensuring reliable and secure wireless connectivity.
Key features include:
Wireless transmission based on IEEE 802.15.4 at 2.4 GHz for robust communication
Supports up to 250 slave devices within the network
Allows connection of up to 7 SH2WBU230N units on the same network
Integrates seamlessly with the Sx2WEB24 controller via internal bus or high-speed terminals
Designed in a 2-DIN module housing for easy installation on DIN rails
Technical Specifications
Product Type: Relays | Industrial Relays
Part Description: SMART-DUPLINE SUB MASTER WIRELESS BASE UNIT REV.7
UOM: EA
ECCN: EAR99
Package Type: Not specified
Country of Origin (COO): MT
Manufacturer: CARLO GAVAZZI
Wireless Communication Details
Protocol: WiDup, based on IEEE 802.15.4 at 2.4 GHz
Maximum wireless range: approximately 700 meters in open air; varies with environment and obstacles
Transmission range affected by building materials and interference sources
Supports connection to multiple devices with internal bus or terminal connections
Power Supply and Dimensions
Supply Voltage: 24 VDC and 115-240VAC
Housing: 2-DIN module for DIN rail mounting
Dimensions: 45.0 mm width, 14.5 mm height (approximate)
LED Indicators
Green LED: ON indicates supply is active; OFF indicates supply is off
Yellow LEDs:
BUS OFF: no communication on HS bus
BUS ON: communication error on HS bus
Flashing: communication OK on HS bus
Blue LED:
ON during network configuration
Flashing when receiving data from associated modules
Environmental and EMC Standards
Immunity: EN 61000-6-2
Electrostatic discharge: EN 61000-4-2
Radiated radiofrequency: EN 61000-4-3
Burst immunity: EN 61000-4-4
Surge: EN 61000-4-5
Conducted radio frequency: EN 61000-4-6
Power frequency magnetic fields: EN 61000-4-8
Voltage dips, variations, interruptions: EN 61000-4-11
Range depends on antenna placement, building structure, obstacles, and interference sources such as Wi-Fi routers, microwaves, and Bluetooth devices. Typical ranges are:
Device Position
Operating Distance
In the open air
Approx. 700 m
Plaster-board/wood
Approx. 30 m (max. 5 walls)
Tile and cellular concrete
Approx. 20 m (max. 3 walls)
Reinforced concrete walls/ceilings
Approx. 10 m (max. 1 wall/ceiling)
For detailed installation and network configuration instructions, refer to the datasheet.
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{"id":10024930836797,"title":"SH2WBU230","handle":"sh2wbu230","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSMART-DUPLINE SUB MASTER WIRELESS BASE UNIT REV.7\u003c\/strong\u003e (Part Number: \u003cstrong\u003eSH2WBU230\u003c\/strong\u003e) manufactured by \u003cstrong\u003eCARLO GAVAZZI\u003c\/strong\u003e is an advanced wireless communication device designed for industrial automation and home automation applications. It operates as a wireless access point and router within the WiDup protocol, based on IEEE 802.15.4 at 2.4 GHz, ensuring reliable and secure wireless connectivity.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWireless transmission based on IEEE 802.15.4 at 2.4 GHz for robust communication\u003c\/li\u003e\n\u003cli\u003eSupports up to 250 slave devices within the network\u003c\/li\u003e\n\u003cli\u003eAllows connection of up to 7 SH2WBU230N units on the same network\u003c\/li\u003e\n\u003cli\u003eIntegrates seamlessly with the Sx2WEB24 controller via internal bus or high-speed terminals\u003c\/li\u003e\n\u003cli\u003eDesigned in a 2-DIN module housing for easy installation on DIN rails\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Relays | Industrial Relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Description:\u003c\/strong\u003e SMART-DUPLINE SUB MASTER WIRELESS BASE UNIT REV.7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CARLO GAVAZZI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWireless Communication Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtocol: WiDup, based on IEEE 802.15.4 at 2.4 GHz\u003c\/li\u003e\n\u003cli\u003eMaximum wireless range: approximately 700 meters in open air; varies with environment and obstacles\u003c\/li\u003e\n\u003cli\u003eTransmission range affected by building materials and interference sources\u003c\/li\u003e\n\u003cli\u003eSupports connection to multiple devices with internal bus or terminal connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePower Supply and Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Voltage: 24 VDC and 115-240VAC\u003c\/li\u003e\n\u003cli\u003eHousing: 2-DIN module for DIN rail mounting\u003c\/li\u003e\n\u003cli\u003eDimensions: 45.0 mm width, 14.5 mm height (approximate)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLED Indicators\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGreen LED: ON indicates supply is active; OFF indicates supply is off\u003c\/li\u003e\n\u003cli\u003eYellow LEDs:\n\u003cul\u003e\n\u003cli\u003eBUS OFF: no communication on HS bus\u003c\/li\u003e\n\u003cli\u003eBUS ON: communication error on HS bus\u003c\/li\u003e\n\u003cli\u003eFlashing: communication OK on HS bus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlue LED:\n\u003cul\u003e\n\u003cli\u003eON during network configuration\u003c\/li\u003e\n\u003cli\u003eFlashing when receiving data from associated modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental and EMC Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImmunity: EN 61000-6-2\u003c\/li\u003e\n\u003cli\u003eElectrostatic discharge: EN 61000-4-2\u003c\/li\u003e\n\u003cli\u003eRadiated radiofrequency: EN 61000-4-3\u003c\/li\u003e\n\u003cli\u003eBurst immunity: EN 61000-4-4\u003c\/li\u003e\n\u003cli\u003eSurge: EN 61000-4-5\u003c\/li\u003e\n\u003cli\u003eConducted radio frequency: EN 61000-4-6\u003c\/li\u003e\n\u003cli\u003ePower frequency magnetic fields: EN 61000-4-8\u003c\/li\u003e\n\u003cli\u003eVoltage dips, variations, interruptions: EN 61000-4-11\u003c\/li\u003e\n\u003cli\u003eEmission standards: EN 61000-6-3, CISPR 22 (EN55022), CISPR 16-2-1, CISPR 16-2-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTransmission Range Guidelines\u003c\/h3\u003e\n\u003cp\u003eRange depends on antenna placement, building structure, obstacles, and interference sources such as Wi-Fi routers, microwaves, and Bluetooth devices. Typical ranges are:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice Position\u003c\/th\u003e\n\u003cth\u003eOperating Distance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIn the open air\u003c\/td\u003e\n\u003ctd\u003eApprox. 700 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlaster-board\/wood\u003c\/td\u003e\n\u003ctd\u003eApprox. 30 m (max. 5 walls)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTile and cellular concrete\u003c\/td\u003e\n\u003ctd\u003eApprox. 20 m (max. 3 walls)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforced concrete walls\/ceilings\u003c\/td\u003e\n\u003ctd\u003eApprox. 10 m (max. 1 wall\/ceiling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed installation and network configuration instructions, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cg\/cg-sh2wbu230.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more details, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cg\/cg-sh2wbu230.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications are subject to change without notice. Please verify with the manufacturer for the latest information.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T14:32:18+05:30","created_at":"2025-08-14T14:32:18+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["CARLO","IMPORT_CSV","Industrial","Relays","SUB","Wire","WLDM"],"price":5513982,"price_min":5513982,"price_max":5513982,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50619230224701,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SH2WBU230","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SH2WBU230","public_title":null,"options":["Default Title"],"price":5513982,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SH2WBU230","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SH2WBU230_50927982_afff2c0c.jpg?v=1755162141"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SH2WBU230_50927982_afff2c0c.jpg?v=1755162141","options":["Title"],"media":[{"alt":null,"id":45834191929661,"position":1,"preview_image":{"aspect_ratio":1.305,"height":200,"width":261,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SH2WBU230_50927982_afff2c0c.jpg?v=1755162141"},"aspect_ratio":1.305,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SH2WBU230_50927982_afff2c0c.jpg?v=1755162141","width":261}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSMART-DUPLINE SUB MASTER WIRELESS BASE UNIT REV.7\u003c\/strong\u003e (Part Number: \u003cstrong\u003eSH2WBU230\u003c\/strong\u003e) manufactured by \u003cstrong\u003eCARLO GAVAZZI\u003c\/strong\u003e is an advanced wireless communication device designed for industrial automation and home automation applications. It operates as a wireless access point and router within the WiDup protocol, based on IEEE 802.15.4 at 2.4 GHz, ensuring reliable and secure wireless connectivity.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWireless transmission based on IEEE 802.15.4 at 2.4 GHz for robust communication\u003c\/li\u003e\n\u003cli\u003eSupports up to 250 slave devices within the network\u003c\/li\u003e\n\u003cli\u003eAllows connection of up to 7 SH2WBU230N units on the same network\u003c\/li\u003e\n\u003cli\u003eIntegrates seamlessly with the Sx2WEB24 controller via internal bus or high-speed terminals\u003c\/li\u003e\n\u003cli\u003eDesigned in a 2-DIN module housing for easy installation on DIN rails\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Relays | Industrial Relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Description:\u003c\/strong\u003e SMART-DUPLINE SUB MASTER WIRELESS BASE UNIT REV.7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CARLO GAVAZZI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWireless Communication Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtocol: WiDup, based on IEEE 802.15.4 at 2.4 GHz\u003c\/li\u003e\n\u003cli\u003eMaximum wireless range: approximately 700 meters in open air; varies with environment and obstacles\u003c\/li\u003e\n\u003cli\u003eTransmission range affected by building materials and interference sources\u003c\/li\u003e\n\u003cli\u003eSupports connection to multiple devices with internal bus or terminal connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePower Supply and Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply Voltage: 24 VDC and 115-240VAC\u003c\/li\u003e\n\u003cli\u003eHousing: 2-DIN module for DIN rail mounting\u003c\/li\u003e\n\u003cli\u003eDimensions: 45.0 mm width, 14.5 mm height (approximate)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLED Indicators\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGreen LED: ON indicates supply is active; OFF indicates supply is off\u003c\/li\u003e\n\u003cli\u003eYellow LEDs:\n\u003cul\u003e\n\u003cli\u003eBUS OFF: no communication on HS bus\u003c\/li\u003e\n\u003cli\u003eBUS ON: communication error on HS bus\u003c\/li\u003e\n\u003cli\u003eFlashing: communication OK on HS bus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlue LED:\n\u003cul\u003e\n\u003cli\u003eON during network configuration\u003c\/li\u003e\n\u003cli\u003eFlashing when receiving data from associated modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental and EMC Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImmunity: EN 61000-6-2\u003c\/li\u003e\n\u003cli\u003eElectrostatic discharge: EN 61000-4-2\u003c\/li\u003e\n\u003cli\u003eRadiated radiofrequency: EN 61000-4-3\u003c\/li\u003e\n\u003cli\u003eBurst immunity: EN 61000-4-4\u003c\/li\u003e\n\u003cli\u003eSurge: EN 61000-4-5\u003c\/li\u003e\n\u003cli\u003eConducted radio frequency: EN 61000-4-6\u003c\/li\u003e\n\u003cli\u003ePower frequency magnetic fields: EN 61000-4-8\u003c\/li\u003e\n\u003cli\u003eVoltage dips, variations, interruptions: EN 61000-4-11\u003c\/li\u003e\n\u003cli\u003eEmission standards: EN 61000-6-3, CISPR 22 (EN55022), CISPR 16-2-1, CISPR 16-2-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTransmission Range Guidelines\u003c\/h3\u003e\n\u003cp\u003eRange depends on antenna placement, building structure, obstacles, and interference sources such as Wi-Fi routers, microwaves, and Bluetooth devices. Typical ranges are:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice Position\u003c\/th\u003e\n\u003cth\u003eOperating Distance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIn the open air\u003c\/td\u003e\n\u003ctd\u003eApprox. 700 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlaster-board\/wood\u003c\/td\u003e\n\u003ctd\u003eApprox. 30 m (max. 5 walls)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTile and cellular concrete\u003c\/td\u003e\n\u003ctd\u003eApprox. 20 m (max. 3 walls)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforced concrete walls\/ceilings\u003c\/td\u003e\n\u003ctd\u003eApprox. 10 m (max. 1 wall\/ceiling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed installation and network configuration instructions, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cg\/cg-sh2wbu230.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more details, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cg\/cg-sh2wbu230.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications are subject to change without notice. Please verify with the manufacturer for the latest information.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
Unfortunately I havent tested the 5G, Only difficult part was connecting antennas. But everything is good, by default it runs on Qualcom's QMI mode, Had to switch to MBIM and it works good with Windows. Planning to run with OpenWRT soon.
