User's Manual

M590 GPRS Module Hardware User Guide

RAM Random Access Memory

RF Radio Frequency

ROM Read-only Memory

RMS Root Mean Square

RTC Real Time Clock

SIM Subscriber Identification Module

SMS Short Message Service

SRAM Static Random Access Memory

TA Terminal adapter

TDMA Time Division Multiple Access

UART Universal asynchronous receiver-transmitter

VSWR Voltage Standing Wave Ratio

Modular Approal:

The M590 module is designed to comply with the FCC statement. FCC ID is PJ7-125X. The host

system using M590, should have label indicated it contain modular’s FCC ID PJ7-125X.

This radio module must not installed to co-locate and operating simultaneously with other radios in host

system , additional testing and equipment authorization may be required to operating simultaneously with

other radio.

RF warning for Mobile device:

This equipment complies with FCC radiation exposure limits set forth for an

uncontrolled environment. This equipment should be installed and operated with

minimum distance 20cm between the radiator & your body.

§ 15.19 Labelling requirements.

This device complies with part 15 of the FCC Rules. Operation is subject to the

following two conditions: (1) This device may not cause harmful interference, and (2)

this device must accept any interference received, including interference that may

cause undesired operation.

§ 15.21 Information to user.

Any Changes or modifications not expressly approved by the party responsible for compliance could vo

id the user's authority to operate the equipment.

§ 15.105 Information to the user.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment generates uses and can radiate radio f

requency energy and, if not installed and used in accordance with the instructions, may cause harmful in