Apple Watch Series 4 40mm TD-LTE NA A1975 poster

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Apple Watch Series 4 40mm TD-LTE NA A1975 Full Device Specifications

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Released Date: 2018 Sep 21

Display Dimension: 324x394 pixels

RAM Size: 768 MiB RAM

Processor (CPU): Apple S4

Battery Capacity: 226 mAh battery

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Introduction

Brand

Apple

Model

Watch Series 4 40mm TD-LTE NA A1975

Brief

North American LTE-ready 40 mm version Watch S4 features larger screen with reduced bezels, 2th generation electric ECG sensor and NFC support

Released

2018 Sep 21

Announced

2018 Sep 12

Hardware Designer

Apple

Manufacturer

Quanta Computer

Codename

Apple Watch 4,3

OEM ID

N141sAP

General Extras

Haptic touch feedback , Tactile touch feedback

Device Category

Smartwatch

List of Additional Features

Ion-X Sapphire glass screen, changeable straps, iOS 8.2 support, aluminium case, optical and electrical heart-rate sensors, LTPO OLED Retina Display,

Physical Attributes

Width

34 mm, 1.34 inch

Height

40 mm, 1.57 inch

Depth

10.7 mm, 0.42 inches

Bounding Volume

14.6 ccm

Mass

30.1 g, 1.06 ounces

Software Environment

Platform

Apple iOS / iPadOS

Operating System

Apple WatchOS 5

Software Extras

Voice Command , Intelligent personal assistant

Application processor, Chipset

CPU

Apple S4, 2018, 64 bit, dual-core

Operative Memory

RAM Type

Yes

RAM Capacity

768 MiB RAM

Non-volatile Memory

Non-volatile Memory Type

Flash EEPROM

Non-volatile Memory Interface

Yes

Non-volatile Memory Capacity

15258 MiB non-volatile

Display

Display Diagonal

38.94 mm, 1.5 inch

Resolution

324x394, 127656 pixels

Display Width

24.73 mm, 0.97 inch

Display Height

30.08 mm, 1.18 inch

Horizontal Full Bezel Width

9.27 mm

Display Area

743.9 square millimeter

Display Area Utilization

54.7%

Pixel Size

0.07634 mm/pixel

Pixel Density

333 PPI

Display Type

Color AM-OLED display

Display Color Depth

24 bit/pixel

Number of Display Scales

16.8M

Display Dynamic Range Depth

8 bit/pixel

Display Illumination

Self-illuminating

Display Subpixel Scheme

Yes

Scratch Resistant Screen

Sapphire Glass

Graphical Subsystem

Graphical Controller

N/A

Audio/Video Interfaces

A/V Out

Audio Subsystem

Audio Channel(s)

stereo

Sound Recording

Microphone(s)

mono

Sound Playing

Loudspeaker(s)

mono

Audio Output

Cellular Phone

Supported Cellular Bands

UMTS 1900MHz (Band II, PCS) , UMTS 1700/2100MHz (Band IV, AWS) , UMTS 850MHz (Band V, CLR) , LTE 1900 MHz (Band 2, PCS) , LTE 1700/2100 MHz (Band 4, AWS) , LTE 850 MHz (Band 5) , LTE 700 MHz (Band 12) , LTE 700 MHz (Band 13) , LTE 700 MHz (Band 17) , LTE 800 MHz (Band 18) , LTE 800 MHz (Band 19) , LTE 1900 MHz (Band 25) , LTE 850 MHz (Band 26) , TD-LTE 2500 MHz (Band XLI) bands

Supported Cellular Data Links

UMTS 384 kbps (W-CDMA) , HSUPA (Cat. unspecified) , HSDPA (Cat. unspecified) , LTE (Cat. unspecified) , LTE 100 Mbps / 50 Mbps (Cat. 3) , LTE 150 Mbps / 50 Mbps (Cat. 4) data links

SIM Card Slot

Nano-SIM (4FF)

Cellular Antenna

Internal antenna

Complementary Phone Services

Voice transmission , Voice speaker , Vibrating Alert , Push-to-Talk (PTT)

Cellular Controller

Apple S4

SAR (head)

0.250 W/kg, US standard (max. 1.6 W/kg @ 1g) measurement method, LTE 1900 MHz (Band 25) measurement band

SAR (body)

0.340 W/kg, US standard (max. 1.6 W/kg @ 1g) measurement method, UMTS 1900MHz (Band II, PCS) measurement band

2nd highest SAR (head)

0.230 W/kg, US standard (max. 1.6 W/kg @ 1g) measurement method, UMTS 1700/2100MHz (Band IV, AWS) measurement band

2nd highest SAR (body)

0.300 W/kg, US standard (max. 1.6 W/kg @ 1g) measurement method, UMTS 1700/2100MHz (Band IV, AWS) measurement band

Secondary Cellular Phone

Sec. Supported Cellular Networks

Control Peripherals

Touchscreen Type

Pressure sensitive capacitive multi-touch sensing screen

Touchscreen Simultaneous Touch Points

Yes

Scroll Wheel

Pressable rotary scroll wheel

Communication Interfaces

Expansion Interfaces

USB

No, No

USB Connector

Bluetooth

Bluetooth 5.0, Internal antenna

Wireless LAN

IEEE 802.11b , IEEE 802.11g , IEEE 802.11n, Internal antenna

WLAN Controller IC

W3 Apple

NFC

Yes

Multimedia Broadcast

FM Radio Receiver

Satellite Navigation

Supported GPS protocol(s)

GPS (NMEA 0183)

GPS Antenna

Internal antenna

Complementary GPS Services

QZSS

Supported GLONASS protocol(s)

L1OF

Supported Galileo service(s)

Primary Camera System

Camera Image Sensor

Focus

Flash

Auxiliary Camera

Aux. Camera Image Sensor

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor

Auxiliary Camera No. 4

Aux. 4 Camera Image Sensor

Aux. 4 Camera Focus

Secondary Camera System

Secondary Camera Sensor

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor

Built-in Sensors

Built-in accelerometer

Yes

Built-in gyroscope

Yes

Additional sensors

Altimeter , Barometer , Heart rate sensor , Light intensity sensor

Ingress Protection

Protection from solid materials

Yes

Protection from liquids

7 Protected against the effect of immersion up to 1m of depth

Immersion into liquids (depth limit)

5000 cm

Power Supply

Battery

Lithium-ion polymer (LiPo), built-in, 1-cell

Nominal Cell Voltage (1st cell)

3.81 Volts

Nominal Cell Capacity (1st cell)

226 mAh cell

Nominal Battery Voltage

3.81 Volts

Nominal Battery Capacity

226 mAh battery

Nominal Battery Energy

0.86 Wh

Estimated Battery Life

18.0 hours

Estimated Average Current

13 mA

Wireless Charging

Yes

Geographical Attributes

Market Countries

Canada , Mexico , Puerto Rico , USA

Market Regions

Central America , North America (NA)

Mobile Operator

AT&T Mexico Mobility AT&T Mobility Bell Mobility Cellular South / C Spire Rogers Wireless Sprint Nextel Corporation T-Mobile USA TELCEL Telus Mobility United States Cellular Corporation Verizon Wireless

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