Dell Latitude 3000 Series Technical Manualbook page 28

Wireless Communications: (continued)
Dell Wireless™ 1705 (WiFi 802.11b/g/n 1x1 + Bluetooth 4.0)
Wireless PAN Standard
Bluetooth Data rates
Bluetooth Operating Frequency Bands
Transmission
Bluetooth Data Encryption
Bluetooth Output Power
Receiver Sensitivity
Temperature
Humidity
28
Dual Mode Bluetooth* 2.1, 2.1+EDR, 3.0, 3.0+HS, 4.0 (BLE)
Up to 3Mbps
2.4GHz
FHSS (Frequency Hopping Spread Spectrum)
128-bit encryption
0~4dBm
-70dBm
Operational 0 to 70C; Storage -20 to 70C
Up to 95%