---
product_id: 296668072
title: "BOSCH GCY42 3.0V Bluetooth Tool Module"
brand: "bosch"
price: "€ 0.55"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/296668072-bosch-gcy42-3-0v-bluetooth-tool-module
store_origin: IE
region: Ireland
---

# 100 Ft Bluetooth range Real-time battery & tool status Advanced tool customization BOSCH GCY42 3.0V Bluetooth Tool Module

**Brand:** bosch
**Price:** € 0.55
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Elevate your toolkit with smart connectivity — don’t get left behind!

## Quick Answers

- **What is this?** BOSCH GCY42 3.0V Bluetooth Tool Module by bosch
- **How much does it cost?** € 0.55 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/296668072-bosch-gcy42-3-0v-bluetooth-tool-module)

## Best For

- bosch enthusiasts

## Why This Product

- Trusted bosch brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Proactive Tool Alerts:** Get instant notifications on overheating, battery overload, and KickBack Control activation.
- • **Next-Gen Tool Customization:** Tailor soft-start, LED brightness, and more via the Bosch Toolbox app.
- • **Lightweight & Compact Design:** At just 45g and pocket-sized, it integrates effortlessly without weighing you down.
- • **Universal Bosch Compatibility:** Works flawlessly with a wide range of Bosch connected-ready tools for versatile use.
- • **Seamless Bluetooth Connectivity:** Stay connected up to 100 feet for ultimate freedom on the jobsite.

## Overview

The BOSCH GCY42 3.0V Bluetooth Tool Module transforms compatible Bosch power tools into smart devices by enabling Bluetooth connectivity up to 100 feet. It integrates with the Bosch Toolbox app to provide advanced customization options, real-time tool and battery status monitoring, and critical alerts to enhance productivity and tool safety. Lightweight and compact, it fits seamlessly into a variety of Bosch connected-ready tools, making it an essential upgrade for professionals seeking next-level control and efficiency.

## Description

The BOSCH GCY42 Connectivity Module allows the user to connect to next-gen tool control. The module can be quickly installed into a variety of BOSCH “connected-ready” tools to provide Bluetooth connectivity to mobile devices. BOSCH connected-ready tools includes impact drivers, drill/drivers, hammer drill/drivers, grinders, rotary hammers, lights, circular saws, track saws and chargers. The connectivity module links to the free BOSCH Toolbox mobile app, so users can customize their tools, check tool and battery statuses, receive alerts about a tool issue and more. The enhanced control provided by the connectivity enables users to be more productive. The module offers up to a 100 Ft. connectivity range.

## Features

- Connectivity Module tool enhancement - provides tool customization ability, tool and battery statuses and more
- Wide range – offers up to a 100 Ft. Bluetooth connectivity range
- Bosch Toolbox app compatibility – allows for tool customization, tool and battery statuses and tool-asset inventory management
- Next-gen customization – optimizes advanced electronic options such as soft-start rate, LED brightness or other settings, depending on the tool
- Tool alerts – notifies the user if the tool is overheating or the battery is overloading, or if a feature such as KickBack Control is activated, depending on the tool
- Works with Bosch Tools - GSR18V-755C, GSR18V-535C, GSB18V-755C, GSB18V-535C, GDR18V-1800C, GDX18V-1800C, GWS18V-45C, GWS18V-45PSC, GWS18V-50PSC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Bosch |
| Part Number | GCY42 |
| Product Dimensions | 3.05 x 3.05 x 1.27 cm; 45 g |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | GCY42 |
| Material | Plastic |
| Item Package Quantity | 1 |
| Display style | LED |
| Special Features | Bluetooth |
| Included Components | (1) GCY42 Connectivity Module |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Item Weight | 45 g |

## Product Details

- **Brand:** Bosch
- **Model name:** GCY42 Professional
- **Vehicle service type:** Car
- **Special feature:** Bluetooth
- **Connectivity technology:** Bluetooth
- **Map type:** Street
- **Included components:** (1) GCY42 Connectivity Module
- **Product dimensions:** 30L x 30W x 13H millimetres
- **Model year:** 2018
- **Touch Screen Type:** Capacitive

## Images

![BOSCH GCY42 3.0V Bluetooth Tool Module - Image 1](https://m.media-amazon.com/images/I/71N-w2t1CnL.jpg)
![BOSCH GCY42 3.0V Bluetooth Tool Module - Image 2](https://m.media-amazon.com/images/I/81jOWALQOEL.jpg)
![BOSCH GCY42 3.0V Bluetooth Tool Module - Image 3](https://m.media-amazon.com/images/I/91RMYRBcgqL.jpg)

## Questions & Answers

**Q: Will it help me find my tools?**
A: The connectivity module links to the free Bosch Toolbox mobile app so users can customize their tools, check tool and battery statuses, receive alerts about a tool issue and more. The enhanced control provided by the connectivity enables users to be more productive. The module offers up to a 100 Ft. connectivity range. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

**Q: Do I need my cell phone nearby to the tool to use the extra features?**
A: Yes, you will need to connect via Bluetooth to control extra features. However those features are limited, pretty much to controling “soft start on and off” and “LED on time after releasing the trigger”. 
I’m a gadget guy so bought this Bluetooth add on but this thing is kinda unnecessary option.

**Q: Can you elaborate on tool customization?**
A: The module can be quickly installed into a variety of Bosch “connected-ready” tools to provide Bluetooth® connectivity to mobile devices. he connectivity module links to the free Bosch Toolbox mobile app, so users can customize their tools, check tool and battery statuses, receive alerts about a tool issue and more. The enhanced control provided by the connectivity enables users to be more productive. The module offers up to a 100 Ft. connectivity range. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

**Q: Does it work with gal18v-160c?**
A: The manual for GAL 18v-160c calls for a GCY42.  So this should work.

## Frequently Bought Together

- BOSCH GCY42 3.0V Bluetooth Tool Module
- BOSCH ITBHQC201 1-Piece 2 In. Impact Tough Quick Change Bit Holder
- BOSCH GDX18V-1860CN 18V Connected-Ready Two-In-One 1/4 In. and 1/2 In. Bit/Socket Impact Driver/Wrench (Bare Tool)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ie/products/296668072-bosch-gcy42-3-0v-bluetooth-tool-module](https://www.desertcart.ie/products/296668072-bosch-gcy42-3-0v-bluetooth-tool-module)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-22*