# USB/TTL jumper cable Renkforce RF-4499440 — 1× USB 2.0 A plug to 4× jumper wire sockets

**URL:** https://aio.lv/en/product--renkforce-rf-4499440--3716936
**Data updated:** 2026-01-06 11:10 (EET)
**Category:** 3D Printer Consumables
**Manufacturer:** Renkforce
**Manufacturer code:** RF-4499440
**EAN:** 4064161039374
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--renkforce-rf-4499440--3716936

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Renkforce RF-4499440 is a USB/TTL jumper cable that converts a single USB 2.0 A plug to four individual jumper wire sockets. Designed for connecting microcontrollers, development boards or serial devices to a PC for power and TTL-level data exchange. Useful for programming, debugging and prototyping where multiple signal lines require easy access and a compact USB interface.

## Long description

Renkforce RF-4499440 is a USB/TTL jumper cable that converts a single USB 2.0 A plug into four individual jumper wire sockets. It provides power and TTL-level data connectivity between a PC and microcontrollers, development boards or serial devices. The cable is intended for programming, debugging and prototyping tasks that require multiple signal lines accessible from a compact USB interface.
Advantages
The cable offers a simple USB 2.0 A connection on one end and four separate jumper wire sockets on the other, enabling simultaneous access to multiple TTL signals without additional adapters. Its compact design reduces clutter on a workbench and allows direct connection to development boards and modules. The product is compatible with typical TTL-level serial interfaces and supplies bus power from the USB port.
Suitable for
Programming microcontrollers and development boards
Serial debugging and firmware flashing
Prototyping circuits that require multiple TTL connections
Connecting sensors or modules to a PC for data exchange
Key specifications
Manufacturer: Renkforce
Model / MPN: RF-4499440
EAN: 4064161039374
Cable type: USB 2.0 A plug to 4× jumper wire sockets (USB/TTL)
Length: 1.00 m
Color: Black
How to use
Plug the USB 2.0 A connector into a computer USB port to provide power and a TTL serial interface. Connect the individual jumper sockets to the target device’s TTL pins (for example TX, RX, GND and VCC as required). Ensure correct pin mapping and voltage levels before powering the target device. Use appropriate terminal software or a programming tool on the PC to communicate with the connected device.
Usage recommendations
Verify the target device’s required logic voltage (e.g., 3.3 V or 5 V) and pin assignments before connecting. Avoid shorting pins while the USB port is powered and disconnect the cable when making wiring changes. Use static-safe practices when handling sensitive microcontrollers or modules.

## FAQ

### How much does the USB/TTL jumper cable Renkforce RF-4499440 cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 197 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Renkforce products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Renkforce service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3716936/51312445_large.webp