MTX
‐
3G
‐
JAVA
Family
www.mtx
‐
terminals.com
www.mtxm2m.com
2015/10
v1.6
Page
102
/
109
MTX
M2M®
by
MATRIX
ELECTRONICA
S.L.U
PU
Pull
Up
resistor
(appr.
100k)
PWM
Pulse
Width
Modulation
QAM
Quadrature
Amplitude
Modulation
R&TTE
Radio
and
Telecommunication
Terminal
Equipment
RAM
Random
Access
Memory
RF
Radio
Frequency
RLS
Radio
Link
Stability
RMS
Root
Mean
Square
(value)
RoHS
Restriction
of
the
use
of
certain
hazardous
substances
in
electrical
and
electronic
equipment.
ROM
Read
‐
only
Memory
RTC
Real
Time
Clock
RTS
Request
to
Send
Rx
Receive
Direction
SAR
Specific
Absorption
Rate
SAW
Surface
Acoustic
Wave
SELV
Safety
Extra
Low
Voltage
SIM
Subscriber
Identification
Module
SMD
Surface
Mount
Device
SMS
Short
Message
Service
SMT
Surface
Mount
Technology
SPI
Serial
Peripheral
Interface
SRAM
Static
Random
Access
Memory
SRB
Signalling
Radio
Bearer
TA
Terminal
adapter
(e.g.
GSM
module)
TDMA
Time
Division
Multiple
Access
TE
Terminal
Equipment,
also
referred
to
as
DTE
TLS
Transport
Layer
Security
TPC
Transmit
Power
Control
TS
Technical
Specification
Tx
Transmit
Direction
UART
Universal
asynchronous
receiver
‐
transmitter
UICC
USIM
Integrated
Circuit
Card
UL
Upload
UMTS
Universal
Mobile
Telecommunications
System
URC
Unsolicited
Result
Code
USB
Universal
Serial
Bus
USIM
UMTS
Subscriber
Identification
Module
USSD
Unstructured
Supplementary
Service
Data
VSWR
Voltage
Standing
Wave
Ratio
WCDMA
Wideband
Code
Division
Multiple
Access