Description
CELLULAR MOBILE TRAINING SYSTEM
TECHNICAL FEATURES:
GSM (Global System for Mobile Communication) standard
GSM Cellular Network and Radio cell: –
MS (Mobile Station)
BTS (Base Transceiver Station)
BSC (Base Station Controller)
MSC (Mobile Switching Center)
Channel Coding
Gaussian Low-Pass Filter
GMSK (Gaussian Minimum Shift
Keying) modulation
GSM bands
TDMA (Time Division Multiple Access)technology
Functional characteristics of cellular
telephone. Measurements on different circuits of cellular trainer. Wireless
communication. 2 bi-directional connections between 4 users .
TROUBLESHOOTINGTECHNICAL PARAMETERS:
Display: 16 character x 2 lines
Keyboard: 4 lines x 4 columns
DTMF (Dual Tone Multi Frequency):
Telephone tone generator and 2-Band filter decoder.
DSP IC: – it generates DTMF signal it uses the keyboard for data input
it shows the number selected on the display.
PIC IC manages:
Display, Keyboard and Calls.Built-in loudspeaker with adjustable power amplifier.Selections:
Dialing, Incoming call answer and Radio channel. Channel Coding.
PCM (Pulse Code Modulation)
– 8-bit word: 13-bit linear to pseudo
– log 8-bits ADC (and DAC) by data companding
– 8-kHz sampling frequency
baud rate of 64 kb/s.
TDMA Frame: 4 user time slots,
1 synchronism time slot,
Time slot display
Smoothing Filter
UHF Transmitter and Receiver:
– 4 selectable channels by PLL circuit – RF
channel frequency: 2400 to 2481 MHz-
In/Out Impedance: 50 Ω.
Transmitter Output
RF Power: ≥ 10dBm.
Channel Noise simulator.
Channel Attenuation simulator.
2 Stylus Antennas
Compact and strong metal box including:
Lift-able cover with block diagram
Electronic components and power supply
Schematic diagram including signaling LEDs,
selection switches and Measuring test points
Fault simulator: protected with key-locked cover and including 10 faults
insert-able by switches
Cables and Microphone
Power source: 220~230V AC, 50Hz, 1 Phase
Accessories:
Connecting Wire: 1 set
User Manual: 1 Nos
Standard Accessories
Others
Brand: FaboTronix
Country of Origin: China
Manufacturing: Assemble in Bangladesh
Warranty: 01(One) Year Warranty
