# iPhone 4s, model A1387

> model of iPhone in the iPhone 4s series

**Wikidata**: [Q66816698](https://www.wikidata.org/wiki/Q66816698)  
**Source**: https://4ort.xyz/entity/iphone-4s-model-a1387

## Summary
iPhone 4s, model A1387 is a specific product model in the iPhone 4S series produced by Apple Inc., identified by its hardware version identification number A1387 and FCC product code -E2430A. This model meets regulatory standards with specific absorption rates ranging from 0.99 to 1.19 watt per kilogram depending on measurement conditions.

## Key Facts
- iPhone 4s, model A1387 is a product model in the iPhone 4S series.
- Hardware version identification number: A1387
- FCC product code: -E2430A
- Radio equipment list certification number: 579C-E2430A
- Specific absorption rate for head: 1.18 watt per kilogram (measured over 1g tissue)
- Specific absorption rate for body: 1.19 watt per kilogram (measured over 1g tissue)
- Specific absorption rate for both head and body: 0.99 watt per kilogram (measured over 10g tissue)
- iPhone 4S series was introduced on October 4, 2011, with availability beginning on October 14, 2011.

## FAQs
### Q: What is the iPhone 4s, model A1387?
A: The iPhone 4s, model A1387 is a specific product model in the iPhone 4S series produced by Apple Inc., identified by its hardware version identification number A1387 and FCC product code -E2430A.

### Q: When was the iPhone 4s series released?
A: The iPhone 4S series was introduced on October 4, 2011, with availability beginning on October 14, 2011.

### Q: What is the significance of the FCC product code -E2430A?
A: The FCC product code -E2430A uniquely identifies this iPhone 4s model for regulatory compliance purposes in the United States, where it was produced.

### Q: How does the iPhone 4s, model A1387 comply with radio frequency exposure standards?
A: The model meets safety standards with documented specific absorption rates of 1.18 W/kg for the head, 1.19 W/kg for the body, and 0.99 W/kg for both when measured over 10g tissue.

## Why It Matters
The iPhone 4s, model A1387 represents a significant milestone in smartphone development, particularly as Apple continued to refine its mobile technology ecosystem. As a specific model within the iPhone 4S series, it demonstrates Apple's approach to product differentiation through hardware identification numbers and regulatory compliance. The precise documentation of its specific absorption rates reflects the company's attention to user safety standards during a period of increasing public concern about radio frequency exposure from mobile devices. This model's unique FCC certification number and product code serve as important regulatory markers that distinguish it from other variants in the product line, illustrating the careful technical documentation required for international smartphone distribution.

## Notable For
- Hardware version identification number A1387, distinguishing it from other iPhone models
- FCC product code -E2430A specific to this model variant
- Radio equipment list certification number 579C-E2430A unique to this specific configuration
- Documented specific absorption rates with precise measurements for both head (1.18 W/kg) and body (1.19 W/kg) exposure
- Lower specific absorption rate (0.99 W/kg) when measured over 10g tissue for both head and body applications

## Body
### Product Identification
- iPhone 4s, model A1387 is a product model in the iPhone 4S series
- Hardware version identification number: A1387
- FCC product code: -E2430A
- Radio equipment list certification number: 579C-E2430A

### Technical Specifications
- Specific absorption rate for head: 1.18 watt per kilogram (measured over 1g tissue)
- Specific absorption rate for body: 1.19 watt per kilogram (measured over 1g tissue)
- Specific absorption rate for both head and body: 0.99 watt per kilogram (measured over 10g tissue)
- Determination methods for specific absorption rates follow standardized testing protocols

### Series Information
- Part of the iPhone 4S series
- Produced by Apple Inc.
- Series introduction date: October 4, 2011
- Series availability date: October 14, 2011
- Country of origin: United States
- Product classification: subclass of iPhone 4S
- Product type: instance of product model

## References

1. [Source](https://support.apple.com/en-au/HT201296)
2. [Source](https://www.apple.com/legal/rfexposure/iphone4,1/en/)