| Local Name | Z540 |
| Technology | GSM / UMTS |
| 3G Bands | UMTS 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | Yes, 384 kbps |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2005, 4Q |
| Status | Discontinued |
| Dimensions | 99 x 50.5 x 14.9 mm (3.90 x 1.99 x 0.59 in) |
| Weight | 105 g (3.70 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Resolution | 240 x 320 pixels | Second external display TFT, 65K colors (128 x 128 pixels) |
| Card Slot | No |
| Phone Book | 1000 entries, Photocall |
| Call Records | 30 dialed, 30 received, 30 missed calls |
| Internal Memory | 140 MB |
| Primary Camera | 1.3 MP, 1280 x 1024 pixels |
| Video | QCIF |
| Secondary Camera | VGA videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | Dual speaker |
| WLAN | No |
| Bluetooth | Yes |
| GPS | No |
| Radio | No |
| USB | Yes |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes + Java downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | Video telephony, MP3/AAC/AAC++/WMA player, Predictive text input, Organizer, Voice memo |
| Battery | Li-Ion 880 mAh battery |
| Stand By | Up to 200 h |
| Talk Time | Up to 2 h 30 min |
| Colors | Black |
| SAR US | 0.33 W/kg (head) 0.51 W/kg (body) |
| SAR EU | 0.53 W/kg (head) |
