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
Expand datasheet \| Add to compare Physical Attributes:
Width	34 mm
Height	40 mm
Depth	10.7 mm
Dimensions	1.34x1.57x0.42 inches
Mass	30.1 g
	1.06 ounces
Software Environment:
Platform	iOS / iPadOS
Operating System	Apple WatchOS 5
Software Extras	Voice Command , Intelligent personal assistant
Application processor, Chipset:
CPU Clock	1590 MHz
CPU	Apple S4 (T8006), 2018, 64 bit, dual-core, 7 nm, Apple G11M GPU
Operative Memory:
RAM Type	Yes
RAM Capacity (converted)	768 MiB RAM
Non-volatile Memory:
Non-volatile Memory Interface	Yes
Non-volatile Memory Capacity (converted)	16 GB ROM
Display
Display Diagonal	38.94 mm
	1.5 inch
Resolution	324x394
Horizontal Full Bezel Width	9.27 mm
Display Area Utilization	54.7%
Pixel Density	333 PPI
Display Type	AM-OLED display
Number of Display Scales	16.8M
Scratch Resistant Screen	Sapphire Glass
Expand datasheet Graphical Subsystem:
Graphical Controller	Apple G11M
Audio/Video Interfaces:
A/V Out	No
Audio Subsystem:
Microphone(s)	mono
Loudspeaker(s):	mono
Audio Output:	No
Cellular Phone:
Supported Cellular Bands	UMTS1900 (B2) , UMTS1700/2100 (B4) , UMTS850 (B5) , LTE1900 (B2) , LTE1700/2100 (B4) , LTE850 (B5) , LTE700 (B12) , LTE700 (B13) , LTE700 (B17) , LTE800 (B18) , LTE800 (B19) , LTE1900 (B25) , LTE850 (B26) , TD-LTE2500 (B41) bands
Supported Cellular Data Links	UMTS , HSUPA , HSDPA , LTE , LTE 100/50 , LTE 150/50 data links
SIM Card Slot	Nano-SIM (4FF)
Complementary Phone Services	Voice transmission , Voice speaker , Vibrate , Push-to-Talk
SAR (head)	0.250 W/kg
SAR (body)	0.340 W/kg
2nd highest SAR (head)	0.230 W/kg
2nd highest SAR (body)	0.300 W/kg
Secondary Cellular Phone:
Sec. Supported Cellular Networks:	No
Control Peripherals:
Touchscreen Type	Pressure sensitive capacitive multi-touch screen
Scroll Wheel	3-way rotary scroll wheel
Communication Interfaces:
Expansion Interfaces	No
USB	No
	No
USB Connector	No
Bluetooth	Bluetooth 5.0
Wireless LAN	802.11b , 802.11g , 802.11n
NFC	Yes
Multimedia Broadcast:
FM Radio Receiver	No
Satellite Navigation:
Complementary Satellite Services	QZSS
Supported GLONASS protocol(s)	L1OF
Supported Galileo service(s)	E1
Primary Camera System
Camera Image Sensor	No
Focus	No
Flash	No
Aux. Camera Image Sensor	No
Aux. 2 Camera Image Sensor	No
Aux. 3 Camera Image Sensor	No
Aux. 4 Camera Image Sensor	No
Secondary Camera System
Secondary Camera Sensor	No
Sec. Aux. Cam. Image Sensor	No
Built-in Sensors:
Built-in accelerometer	Yes
Built-in gyroscope	Yes
Additional sensors	Altimeter , Barometer , HR sensor , L sensor
Expand datasheet Ingress Protection:
Protection from solid materials	Yes
Protection from liquids	7 Protected against immersion up to 1m of depth
Immersion into liquids (depth limit)	5000 cm
Power Supply:
Battery	Li-ion polymer (LiPo)
	built-in
	1-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
Wireless Charging	Yes
Geographical Attributes:
Market Countries	Canada , Mexico , Puerto Rico , USA
Market Regions	Central America , North America
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
Datasheet Attributes:
Data Integrity	Final
Added	2018-09-18 21:41