Two serial ports over USB:

• one serial port for trace information
• a second serial port for data transfer (CSD/GPRS) or AT-Cellular-Commands
• Simultaneous data transfer and trace information

GSM traces:

• Radio environment information
• Received level
• Idle and transfer parameters
• Serving/neighbour cell frequency
• Cell reselection parameters
• Mobility management information
• Authentication
• Ciphering
• Location (Cell Identity, LAC, MCC, MNC)
• Protocol messages monitoring
• Layer 2: LAPD-m
• Layer 3: RR, MM, CM
• Quality of Service
• Downlink signalling
• RLC and Handover counter
• Codec state (HR, FR, EFR,AMR)
• DTX state

GPRS traces:

• GPRS Mobility management information
• Identity
• SNDCP compression
• GPRS Session management information
• PDP QoS
• IP Address
• Location: Cell Identity, RAC, LAC,MCC, MNC
• RLC/MAC information
• Packet channel information:
  • frequency
  • timing advance
  • time slots
• Protocol messages monitoring
• RLC/MAC: control blocks, data blocks
• GMM/SM: GPRS attach, PDP activation
• Quality of Service
• RLC throughput, Block error rate , Block retransmission rate
• LLC throughput, frame retransmission rate

GSM/GPRS forcing functions:

• Channel
• Band
• Voice Codec

Scanning capabilities:

• single ARFCN
• set of frequencies
• complete band

• Weight: 99 g
• Dimensios : 103 x 47 x 18.5 mm
• TFT colour display:
  • 132 x 176 pixels
  • 262144 colours
• Li-Ion battery (820 mAh ):
  • Standby time: 300 h
  • Talk time: 300 min
  • Charging time: Less than 2 h for 100%
• 1.3 megapixel camera with integrated LED flash
• 24 MB internal memory
• Integrated RS-MMC slot for up to 1GB
• TTS-S75 supports GSM 900 / 1800 /1900
• TTS-S75R additionally supports GSM-R
• GPRS class 10 up to 53.6 Kbps
• EDGE up to 384 Kbps
• CSD up to 14.4 Kbps, fax group 3, class 2
• Voice coding: half rate, full rate and enhanced full rate
• MMS, EMS, SMS, cell broadcast, instant messaging
• Mobile internet access (WAP 2.0) 
• Email client SMTP, POP3
• Interfaces : USB 2.0, Bluetooth ®
• Organizer (tasks, notes, calendar, address book )
• Synchronizable with PC (Outlook) using Mobile Phone Manager
• Integrated hands free feature