Mobile phone trainer with kit

Cellular system: EGSM/GSM 900; DCS1800 (2G-Dual Band)

Rx Frequency band: EGSM 900 - 925 to 935 MHz; GSM 900 - 935 to 960 MHz; DCS 1800 - 1805 to 1880 MHz

Tx Frequency band: EGSM 900 - 880 to 890 MHz, GSM 900 - 890 to 915 MHz, DCS 1800 - 1710 to 1785 MHz

Channel spacing: min 200 KHz

Display: TFT, 256K colors

SIM support: Smart Dual SIM, Dual stand by (both GSM)

CPU: 208 MHz

On board sections: Keypad, Dual SIM, Charging Circuit

Test points: 55 nos.

Switched fault: 30 nos.

Power Supply : 100 - 260V AC, 50/60 Hz

Transmitted/Received RF signals

Tx IQ/ Rx IQ signals

Signal constellation of GMSK signal (Rx I/Q)

Signal constellation of GMSK signal (Tx I/Q)

Measure Battery voltages the Battery charging phenomena

Analyze the Buzzer section

Analyze the LED control section

Analyze MIC & Speaker section

Analyze the Hands Free section (MIC/Speaker)

Measurement voltages of Power management unit

Observe signals of LCD display section

Analyze Microprocessor Control unit

Switch faults in User Interface Section

Analyze the 'Partially ON' mode of phone while charging

Switch faults in Battery section

Switch faults in LCD display section

Row/ Column configuration of key matrix

Switch faults in Keypad section

Study of SIM card detection with and without inserting SIM card

Study of switch faults in SIM interface section

Analyze that a mobile is powered On at the alarm set time

Analyze the active mode of a mobile phone

Analyze the acting dead mode of a mobile phone

Analyze the sleep mode of a mobile phone