# 2.75G

> mobile telephony generation, describing Enhanced Data rates for GSM Evolution (EDGE), Enhanced GPRS (EGPRS), or IMT Single Carrier (IMT-SC), deployed on GSM networks beginning in 2003, initially by AT&T in the United States.

**Wikidata**: [Q10844271](https://www.wikidata.org/wiki/Q10844271)  
**Source**: https://4ort.xyz/entity/2-75g

## Summary
2.75G is a mobile telephony generation that describes technologies like Enhanced Data rates for GSM Evolution (EDGE), Enhanced GPRS (EGPRS), and IMT Single Carrier (IMT-SC), deployed on GSM networks beginning in 2003, initially by AT&T in the United States. It represents an evolution from 2.5G by introducing higher data rates and packet-switched capabilities while maintaining compatibility with existing 2G infrastructure.

## Key Facts
- **Instance of**: Mobile phone generation
- **Follows**: 2.5G
- **Followed by**: 3G
- **Deployment start**: 2003 (initially by AT&T in the U.S.)
- **Technologies**: EDGE, EGPRS, IMT-SC
- **Network type**: GSM-based
- **Sitelink count**: 1
- **Wikipedia languages**: Chinese (zh)

## FAQs
### Q: What is the difference between 2.75G and 2.5G?
A: 2.75G introduced higher data rates and packet-switched capabilities compared to 2.5G, which primarily added packet-switched support to existing 2G systems. 2.75G technologies like EDGE and EGPRS provided faster data speeds while maintaining compatibility with 2G infrastructure.

### Q: Which companies first deployed 2.75G technologies?
A: AT&T was among the first to deploy 2.75G technologies in the United States beginning in 2003.

### Q: How does 2.75G relate to 3G?
A: 2.75G served as a transitional technology between 2.5G and 3G, offering improved data speeds and packet-switched capabilities before the full rollout of 3G networks.

## Why It Matters
2.75G played a crucial role in bridging the gap between 2.5G and 3G, providing enhanced data rates and packet-switched services on existing GSM networks. Technologies like EDGE and EGPRS allowed for faster mobile internet access and multimedia services, paving the way for the broader adoption of 3G. Its deployment by carriers like AT&T in 2003 marked a significant step toward modern mobile broadband, enabling early mobile web browsing and multimedia applications before the full transition to 3G.

## Notable For
- **First commercial deployment**: AT&T in the U.S. (2003)
- **Key technologies**: EDGE, EGPRS, IMT-SC
- **Transition role**: Bridged 2.5G and 3G
- **Data rates**: Higher than 2.5G but lower than 3G
- **GSM compatibility**: Maintained compatibility with existing 2G infrastructure

## Body
### Overview
2.75G refers to a set of mobile telephony technologies that enhanced data rates and packet-switched capabilities on GSM networks. It was introduced as an evolution from 2.5G, which primarily added packet-switched support to 2G systems.

### Technologies
- **EDGE (Enhanced Data rates for GSM Evolution)**: Provided higher data rates and improved spectral efficiency.
- **EGPRS (Enhanced GPRS)**: Enhanced the GPRS standard with higher data rates and improved performance.
- **IMT-SC (IMT Single Carrier)**: A single-carrier variant of IMT-2000, offering higher data rates on GSM networks.

### Deployment
- **Initial deployment**: Began in 2003, with AT&T in the United States being among the first to implement these technologies.
- **Network type**: Deployed on GSM networks, ensuring compatibility with existing 2G infrastructure.

### Significance
- **Transition phase**: Served as a stepping stone between 2.5G and 3G, offering improved data speeds and packet-switched services.
- **Early broadband**: Enabled early mobile internet access and multimedia services before the full rollout of 3G.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "2.75G",
  "description": "A mobile telephony generation describing EDGE, EGPRS, and IMT-SC technologies deployed on GSM networks beginning in 2003.",
  "sameAs": ["https://www.wikidata.org/wiki/Q155r26j4", "https://zh.wikipedia.org/wiki/2.75G"],
  "additionalType": "MobilePhoneGeneration"
}