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FR
Full Rate
GMSK
Gaussian Minimum Shift Keying
GPIO
General Purpose Input/Output
GPRS
General Packet Radio Service
GSM
Global Standard for Mobile Communications
HiZ
High Impedance
HR
Half Rate
HSDPA
High Speed Downlink Packet Access
I/O
Input/Output
IC
Integrated Circuit
IMEI
International Mobile Equipment Identity
ISO
International Standards Organization
ITU
International Telecommunications Union
kbps
kbits per second
LED
Light Emitting Diode
Li‐Ion/Li+
Lithium‐Ion
Li battery
Rechargeable Lithium Ion or Lithium Polymer battery
LPM
Link Power Management
MBB
Moisture barrier bag
Mbps
Mbits per second
MCS
Modulation and Coding Scheme
MMI
Man Machine Interface
MO
Mobile Originated
MS
Mobile Station (GSM module), also referred to as TE
MSISDN
Mobile Station International ISDN number
MSL
Moisture Sensitivity Level
MT
Mobile Terminated
nc
Not connected
NTC
Negative Temperature Coefficient
OEM
Original Equipment Manufacturer
PA
Power Amplifier
PAP
Password Authentication Protocol
PBCCH
Packet Switched Broadcast Control Channel
PCB
Printed Circuit Board
PCL
Power Control Level
PCM
Pulse Code Modulation
PCN
Personal Communications Network, also referred to as DCS 1800
PCS
Personal Communication System, also referred to as GSM 1900
PD
Pull Down resistor (appr. 100k)
PDU
Protocol Data Unit
PLL
Phase Locked Loop
PPP
Point‐to‐point protocol
PS
Packet Switched
PSK
Phase Shift Keying
PSU
Power Supply Unit
www.mtx‐terminals.com
www.mtxm2m.com
MTX M2M® by MATRIX ELECTRONICA S.L.U
MTX‐3G‐JAVA Family
2015/10 v1.6
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