Order Number: MCUK991001G8
Issue 1
Revision 0
Technical Guide
GD30/GD50 Personal Cellular Telephone
Handheld Portable
EB-GD30
EB-GD50
Specification
Battery life figures are dependent on network conditions.
900 MHz
1800 MHz
Frequency range
Tx: 890 - 915 MHz
Rx: 935 - 960 MHz
Tx: 1710 - 1785 MHz
Rx: 1805 - 1880 MHz
Tx/Rx frequency separation
45 MHz
95 MHz
RF channel bandwidth
200 kHz
Number of RF channels
124
374
Speech coding
Full rate/Half rate/Enhanced
Full rate
Full rate/Half rate
Operating temperature
-10°C to +55°C
Type
Class 4 Handheld
Class 1 Handheld
RF Output Power
2 W maximum
1 W maximum
Modulation
GMSK (BT = 0.3)
Connection
8 ch/TDMA
Voice digitizing
13 kbps RPE-LTP / 13 kps ACLEP / 5.6 kps CELP / VSLEP
Transmission speed
270.3 kbps
Diversity
Frequency hopping
Signal Reception
Double superheterodyne
Intermediate Frequencies
282 MHz and 45 MHz
Antenna Terminal Impedance
50
Ω
Antenna VSWR
<2.1 : 1
Dimensions
Height: 135 mm
Width: 45 mm
Depth: 20.5 mm (30 mm with EB-BLD30 Battery)
Volume
123 cc (150 cc with EB-BLD30 Battery)
Weight
GD30: 130 g with EB-BSD30 Battery (170 g with EB-BLD30)
GD50: 115 g with EB-BSD50 Battery (170 g with EB-BLD30)
Display
Graphical chip on glass liquid crystal, Alphanumeric,
16 x 3 characters, 5 icons and 6 x 1 characters
Illumination
4 LEDs for the LCD (Green)
8 LEDs for the keypad (Green)
1 LED Incoming call (Green)
1 Charging LED (Red)
Keypad
17 keys, Navigation key
SIM
Plug-in type only
External DC Supply Voltage
3.6 V
Battery
EB-BSD30: 3.6 V nominal, 670mAh, Ni-MH
EB-BSD50: 3.6 V nominal, 670mAh, Li-Ion
EB-BLD30: 3.6 V nominal, 1340mAh, Ni-MH
Standby Battery Life
DRX 9
EB-BSD30/EB-BSD50: 95 hrs maximum
EB-BLD30: 190 hrs maximum
Conversation Battery Life
PL 7, DTX 50%
EB-BSD30/EB-BSD50: 180 minutes
EB-BLD30: 360 minutes
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or
cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or
products dealt with in this service manual by anyone else could result in serious injury or death.