DTM-621W(Korea only)
  Radio Frequency UMTS 2100Mhz GSM 850/900/1800/1900Mhz
  Data Rate HSDPA 7.2Mbps(DL) / 384Kbps (UL)
  Dimension 40 mm (L) X 30 mm (W) X 4 mm (H)
  Weight 10g
  Approval GCF, WHQL, RoHS

- High-speed data with GSM/EDGE/UMTS/HSDPA (up to 7.2 Mbps downlink)
- GPIO for custom interface
- Support USIM/Earjack/MIC interface
- Advanced Receiver Technology incorporating Receiver Diversity
- Support Standalone GPS