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For terminals with the multi-mode (software definable) WWAN radio:
• A penta band antenna supports 850, 1900, 2100 Mhz (UMTS/HSPA),
850/900/1800/1900 Mhz (GSM/GPRS/EDGE) and 800/1900 Mhz
(EV-DO/CDMA).
• A diversity receiver antenna supports 850 & 1900Mhz
For terminals with the GSM WWAN radio:
• A penta band antenna that supports 900, 2100 Mhz (UMTS/HSPA) and 850/900/1800/1900 Mhz
(GSM/GPRS/EDGE).
• A diversity receiver antenna supports 2100Mhz
Signal Strength
On terminals equipped with a voice + data WWAN radio, the signal strength of the connection is
indicated by the number of bars that appear in the signal icon located in the Status bar at the top of the
screen. The greater the number of bars displayed the greater the signal strength.
Voice and Data Communication
Dolphin terminals with an integrated GSM/HSPA+/UMTS/GPRS/EDGE (voice + data) radio are
optimized for the following two-way communications:
Voice: GSM voice data (dial-up)
Data: Available speed depends on the wireless network carrier and their supported packet-data
technology in addition to network conditions.
GPRS Class 10: data transmission max. 85.6 kbps (DL), max. 42.8 kbps (UL)
HSPA+: data transmission max. 14.4 Mbps (DL), max. 5.76Mbps (UL)
UMTS: data transmission max. 384 kbps (DL), max 384 kbps (UL)
EDGE (E-GPRS) Class 10: data transmission max. 237 kbps (DL), max. 118 kbps (UL)
Note: You can use the GSM radio for simultaneous voice and data communication on a UMTS (3G) network only.
On a GSM network, if you want to communicate over the phone (voice), you cannot send data. If you want to
send data, you cannot use the phone.
Audio Modes
The Dolphin 70e Black terminal is equipped with speakers on the front and bottom of the terminal and
dual microphones that you can use to send and receive audio signals over the GSM network, see
Features of the Dolphin 70e Black on page 3-4
There are three audio modes:
• Handset Mode
The front speaker is used for receiving handset voice calls and the digital microphones, located
on the front and side panel of the terminal, provide noise cancellation for clear audio input.
Wi-Fi Signal Strength Icon
(4 bars = excellent signal strength)
WWAN Signal Strength Icon
(4 bars = excellent signal strength)
Status Bar