Head exposure reference


The specifications, radiation measurements and practical choices for your phone.
RF Safe source record retrieved September 12, 2026. Regional specifications and test configurations may differ.
Reported US test values · W/kg averaged over 1 g of tissue
Colors indicate reported SAR ranges, not a safety verdict. Results depend on test configuration and regional model. A lower listed maximum does not guarantee lower everyday exposure. How to read these numbers →
| Hotspot, cellular only (US) | 0.96 W/kg |
|---|---|
| Product-specific source field (US) | 0.96 W/kg |
| Head (EU, 10 g) | — W/kg |
| Body (EU, 10 g) | — W/kg |
| FCC ID | A3LSMA245M — FCC equipment search ↗ |
| Source | RF Safe original phone profile ↗ |
| Data note | Values are reported by the RF Safe source record and have not been independently re-tested here. Zero or blank source values are shown as not listed. |
Cellular-only and simultaneous-transmission values, side by side.

RF Safe source chart. Green and red compare lower and higher values within this chart; they differ from the fixed SAR ranges above. Percentage differences compare test configurations and do not predict a personal exposure reduction.
RF Safe reference illustrations for this phone.


Source illustrations visualize the RF Safe record. They are not scans of an individual, a measured personal dose, or a forecast of disease. Read the numerical labels and the original test context.
Watch the phone safety introduction, then explore the illustrated guide to distance, carrying and correct QuantaCase orientation.
Explore the usage guide →Source specifications by category. Regional models, software and availability may differ.
| Phone | Samsung Galaxy A24 4g |
|---|---|
| Technology | GSM / HSPA / LTE |
| Announced | 20-04-2023 |
| Availability (source snapshot) | Available |
| Model Names | SM-A245F, SM-A245F/DS |
| Type | Super AMOLED, 90Hz |
|---|---|
| Size | 6.5 inches, 101.8 cm2 (~80.9% screen-to-body ratio) |
| Resolution | 1080 x 2408 pixels, 20:9 ratio (~406 ppi density) |
| Main Camera | Triple Camera: 50 MP, f/1.8, (wide), PDAF, OIS 5 MP, f/2.2, 123 (ultrawide), 1/5", 1.12m 2 MP, f/2.4, (macro) |
|---|---|
| Main Features | LED flash, panorama, HDR |
| Video | 1080p@30fps |
| Selfie Camera | Single Camera: 13 MP, f/2.0, (wide) |
| Selfie Camera Video | 1080p@30fps |
| Type | Li-Po 5000 mAh, non-removable |
|---|---|
| Charging | 25W wired |
| Operating system (source snapshot) | Android 13, One UI 5.1 |
|---|---|
| Chipset | Mediatek MT8781 Helio G99 (6nm) |
| CPU | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| GPU | Mali-G57 MC2 |
| Internal Storage | 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Card Slot | microSDXC (dedicated slot) |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass Virtual proximity sensing |
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|
| Bluetooth | 5.2, A2DP, LE |
| USB | USB Type-C 2.0 |
| GPS | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (market/region dependent) |
| Radio | Unspecified |
| Loudspeaker | Yes |
|---|---|
| 3.5mm Jack | Yes |
| Type | Bar |
|---|---|
| Dimensions | 162.1 x 77.6 x 8.3 mm (6.38 x 3.06 x 0.33 in) |
| Weight | 195 g (6.88 oz) |
| Colors | Black; other colors |
| Build | Glass front, plastic frame, plastic back |
| Speed | HSPA, LTE-A |
|---|---|
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) |
| 3G Network | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
Confirm the exact model before choosing a color.
Browse QuantaCase for current model availability. A similar model name does not establish fit.
Check the catalog →QuantaCase is a directional shielding accessory and a habit-training tool. Correct orientation matters; a case does not make a phone risk-free. Explore the design →
A visual guide to distance, speakerphone, carrying and correct case orientation.
Other Samsung models with nearby reported head SAR values.



