Telit GE864 and GC864
Product Description
80273ST10008A Rev. 3 - 10/02/06
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved
page 13 of 72
2.7.1 GC864 Antenna connector
The
GC864
module is equipped with a 50 Ohm RF connector from Murata, GSC type P/N
MM9329-
2700B
.
The counterpart suitable is Murata
MXTK92
Type or
MXTK88
Type.
Moreover, the
GC864
has the antenna pads on the back side of the PCB. This allows the manual
soldering of the coaxial cable directly on the back side of the PCB. However, the soldering is not
an advisable solution for a reliable connection of the antenna.
2.8 SIM card holder support (GC864 only)
The
GC864
will have on the back side of the PCB, the necessary pads to manually solder a SIM
card holder. The type of the SIM card holder and its final position is being defined and will be
known soon.
2.9 Supply voltage
The external power supply must be connected to VBATT signal and must fulfill the following
requirements:
•
Nominal
operating
voltage 3.8
V
•
Operating voltage range
3.4 V - 4.2 V
Note: Operating voltage range must never be exceeded; care must be taken in order to fulfill
min/max voltage requirements.
2.10 Power consumption
The typical current consumption of the
Telit GE864
and
GC864
are:
Power off current (typical)
< 26
μ
A;
Stand–by current (GSM Idle)
< 4 mA
rms
Operating current in voice ch.
170 mA
rms
±20% @ typical network conditions
Operating current in voice ch.
< 270 mA
rms
1.9 A
peak
@ worst network conditions
Operating current in GPRS class 10 < 500 mA
rms
@ typical network conditions
2.11 Embodied Battery charger
The battery charger is suited for 3.7V Li-Ion rechargeable battery (suggested capacity 500-
1000mAH). The Charger needs only a CURRENT LIMITED power source input and charges the
battery directly through VBATT connector pins.
Battery charger input pin
CHARGE
