3.75G USB HSUPA Modem with Voice Feature

  • Plug & Play, CD-free installation •Voice Feature
  • Automatic Network Selection
  • High-capacity phone book / SMS box
  • HSUPA packet data service with a max transmission rate of 7.2 Mbps



PROLiNK® PHS300 3.75G HSUPA with voice is a GPRS and GSM wide area portable modem supporting all the different frequencies used by WCDMA, HSUPA, UMTS, EDGE and GSM/GPRS networks worldwide.


Easy Plug-n-Play
An auto-installation and plug-n-play features makes it easy to build a connection to the world via your mobility devices, such as laptop.
Automatic Network Selection
Detects network automatically without having to manually preset wtihin your Service Provider Internet network coverage area

Hi-Speed Mobile Internet Access 
Users around the globe can now enjoy the freedom to access critical information wherever they are, using networks such as WCDMA, HSDPA, EDGE and GSM/GPRS. Maximum data transmission rate up to 7.2Mbps

Broadcast Services with SMS
Compose SMS'es and conveniently mass broadcast to your desired mobile recipients with the software provided. (* SMS charges applicable)

Voice Feature
Simply dial from the software and activate your laptop mic and speaker and you can make a regular voice call




Product Thumbnail

  • Compliant to 3GPP /R99 /R5 /R6
  • Support HSDPA / UMTS 2100MHz (850MHz /900MHz / 1900MHz optional)
  • GSM /GPRS /EDGE Quad-Band 850 /900 /1800 /1900 MHz
  • SMS Message, Data Service, Phonebook, SIM Management, Auto-run install, U-disk (T-Flash)
  • Data transmission up to 7.2 Mbps (HSUPA)
  • Data transmission up to 384 Kbps (UMTS)
  • Data transmission up to 384 Kbps (EDGE)
  • Dual antenna receiver diversity
  • Built-in Micro-SD card slot supports up to 32GB memory card

SIM Card: standard 6 PIN SIM card interface, compaliant with 3GPP 31.101 and 31.102

(Use of micro SIM card with adaptor to mini SIM card size is not supported due to the possibility 
of damaging the SIM card reader pin on the modem. Under such circumstances, the
warranty for the device will be voided)

Not Supported Micro SIM CardRegular SIM Card

Bandwidth Rate
  • Downlink up to 7.2 Mbps
  • Uplink up to 5.76 Mbps
  • PC, MAC Utility Software (Built-in)
  • USB Cable (optional)
Interface  & Environmental
  • Operating Temperature: -20°C ~ 55°C
  • Storage Temperature: -30°C ~ 65°C
  • Humidity: ≤93%
  • Vibration: 15g peak, 10 ~ 500Hz (Non-operating)
Dimensions 90 (L) × 27 (W) × 10.5 (H) mm
Weight 40g
Package Content


  • 1 x PHS300 3.75G USB HSUPA Modem
  • 1 x USB Cable (optional)
  • 1 x Quick Installation Guide (QIG) 

Please refer Service Policy and Warranty.

 Connectivity Interface

  USB 2.0 Mini USB Port   Regular SIM Card   Not Supported Micro SIM Card
* USB, SIM card, MicroSD

 OS Supported

Windows 7™   Windows Vista™   Windows 2000 / XP™   Mac OS   Linux
* Windows XP/Vista/7/8, Mac*, Linux,
Mac OS is supported with Intel based CPUs Only




** Specifications in this datasheet are subject to change without prior notice.



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