HTC's T-Mobile G1 Specs

Phone Specs :
Processor
Qualcomm® MSM7201A™, 528 MHz
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Operating System
Android™
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Memory
ROM:
256 MB
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RAM:
192 MB
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Dimensions (LxWxT)
117.7 mm x 55.7 mm x 17.1 mm(4.60 in x 2.16 in x 0.62 in)
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Weight
158 grams (5.60 ounces) with battery
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Display
3.2-inch TFT-LCD flat touch-sensitive screen with 320 x 480 (HVGA) resolution
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Network
HSPA/WCDMA:

Europe: 2100 MHz

US:1700/2100 MHz

Up to 7.2 Mbps down-link (HSDPA) and 2 Mbps up-link (HSUPA) speedsQuad-band GSM/GPRS/EDGE:
850/900/1800/1900 MHz
(Band frequency, HSUPA availability, and data speed are operator dependent.)
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Device Control
Trackball with Enter button
Keyboard
Slide-out 5-row QWERTY keyboard
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GPS
GPS navigation capability with Google Maps™
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Connectivity
Bluetooth® 2.0 with Enhanced Data RateWi-Fi®: IEEE 802.11b/gHTC ExtUSB™ (11-pin mini-USB 2.0 and audio jack in one)
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Camera
3.2 megapixel color camera with auto focus
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Audio
Built-in microphone and speakerRing tone formats:
AAC, AAC+, AMR-NB, MIDI, MP3, WMA, WMV
40 polyphonic and standard MIDI format 0 and 1 (SMF)/SP MIDI
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Battery
Rechargeable Lithium-ion batteryCapacity: 1150 mAhTalk time:
Up to 350 minutes for WCDMA
Up to 406 minutes for GSMStandby time:
Up to 402 hours for WCDMA
Up to 319 hours for GSM(The above are subject to network and phone usage.)
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Expansion Slot
microSD™ memory card (SD 2.0 compatible)
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AC Adapter
Voltage range/frequency: 100 ~ 240V AC, 50/60 HzDC output: 5V and 1A
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Special Features
Digital Compass, Motion Sensor