Chapter 7: Specifications

Siemens HC25 UMTS Modem

 

Mobile station class B

 

Modulation and coding scheme MCS 1-9

GPRS data transmission:

GPRS class 12

 

Mobile station class B

 

PBCCH support

 

Coding schemes CS 1-4

CSD data transmission:

Up to 14.4 kbps

 

V.110

 

Non-transparent mode

SMS:

Point-to-point MO and MT

 

Text and PDU mode

Voice:

Triple-rate codec for HR, FR, and EFR

 

Adaptive multi-rate AMR

 

Basic hands-free operation

 

Echo cancellation

 

Noise reduction

Interfaces:

Hirose U.FL-R-SMT 50 Ohms antenna connector

 

Antenna solder pad

 

Molex 80-pin board-to-board connector

 

- Power supply

 

- Audio: 2x analog, 1x digital

 

- serial interface (ITU-T V.24 protocol)

 

- SIM card interface 3 V, 1.8 V

7.2.3Siemens HC25 UMTS Modem

Frequency bands:

UMTS/HSDPA: Triple band, 850//1900/2100MHz

 

GSM/GPRS/EDGE: Quad band,

 

850/900/1800/1900MHz

GSM class:

Small MS

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PYLE Audio 7505-BTSDCMHC25 user manual Siemens HC25 Umts Modem, Sms