Nokia N81

General-2G Network GSM 850 / 900 / 1800 / 1900
3G Network UMTS 2100
Announced-2007, August
Status-Available. Released 2007, November
Size-Dimensions 102 x 50 x 17.9 mm, 86 cc
Weight 140 g
Display-TFT, 16M colors
Size-240 x 320 pixels, 2.4 inches
- Navi wheel interface
Ringtones-Polyphonic (64 channels), Monophonic, True Tones, MP3
Vibration-Yes
Memory-Phonebook Practically unlimited entries and fields, Photocall
Call records-Detailed, max 30 days
Card slot-microSD (TransFlash), hotswap, 2 GB card included
- 12 MB user memory- 96 MB SDRAM memory- ARM 11 369 MHz processor
GPRS-Class 10 (4+1/3+2 slots), 32 - 48 kbps
HSCSD-Yes
EDGE-Yes
3G-Yes, 384 kbps
WLAN-Wi-Fi 802.11b/g with UPnP
Bluetooth-Yes, v2.0 with A2DP
Infrared port-No
USB-Yes, v2.0 microUSB
Features
OS-Symbian OS 9.2, Series 60 v3.1 UI
Messaging-SMS, MMS, Email, Instant Messaging
Browser-WAP 2.0/xHTML, HTML
Games-Yes + Java downloadable
Colors-Cobalt blue, Graphite grey
Camera-2 MP, 1600x1200 pixels, video(QVGA 15fps), flash; secondary CIF videocall camera

- Java MIDP 2.0- MP3/AAC/MPEG4 player- Rotating gallery with Navi wheel - Stereo FM Radio- T9- Push to talk - Voice dial/memo- PIM including calendar, to-do list- 3.5 mm audio output jack- Built-in handsfree
Battery-Standard battery, Li-Po 1050 mAh (BT-6MT)
Stand by-Up to 410 h
Talk time-Up to 4 h