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CHU-628S : HSDPA USB Data Modem

CHU-628S is a recent product which connects users to the SK Telecom¡¯s latest HSDPA network.

CHU-628S is a HSDPA USB modem with the maximum download speed of 3.6Mbps and upload 384Kbps. If the S/W is upgraded in the second half of 2007, the download speed can reach 7.2Mpbs.

CHU-628S has a beautiful appearance and tiny size(31.9mm(width) x 87.8mm(length) x 9mm(thickness)) and attracts customers at first sight. Internet surfing is available even while moving around and the speed will remain fast as long as the mobile phones are receivable.

CHU-628S has a 360-degrees rotatable USB connector. The position or placement of USB would not limit the use of the modem. CHU-628S is also compatible with Windows 2000, XP, Media Center Edition and Windows Vista.

Technical Specifications

DATA SERVICES
HSDPA
· Download up to 3.6Mbps
· (7.2 Mbps Support : S/W will be
  released in the second half of this year)
· Upload up to 384Kbps
WCDMA
· Forward and reverse link speeds
· up to 384Kbps
* Limit to Network conditions
 
GENERAL FEATURE
Qualcomm MSM6280 chipset (ZIF)
MRD (Mobile Receiver Diversity)
Maximum RF Output Power
· 2100MHz - Power Class 3
Receiver Sensitivity:
· 2100MHz under -107dBm(BER=0.1%)
Nominal Operation Voltage:
· from USB host Power
Power Consumption:
· Maximum :under 500mA
· Typical : under 300mA
 
FREQUENCY BANDS
WCDMA 2100MHz(Band Class 1)
WCDMA 850MHz(Band Class 5)
 
ANTENNA
Chip type Primary antenna (Internal)
Chip type Secondary antenna (internal)
 
STANDARDS
3GPP Release 5 compliant
3GPP TS31.101(UICC)
3GPP TS31.102(USIM)
3GPP TS34.121
 
MECHANICALS
Dimension: 87.8 x 31.9 x 9(mm)
Weight: 23g
2 state LED
 
ENVIRONMENTS
Operating Temperature: -20'C to 50'C
Storage Temperature : -30'C to 70'C
Humidity: 95% (non-condensing)
 
APPROVALS
MIC, SKT