Hardware/software/Mechanical

Items

Technology standard

CPU

SIM840w

Memory

16M in the GSM module

GSM modem

SIM840w

Display

128*64 pixels

Keyboard

21keys

Battery

1500mAh Ni-MH battery, supports printing by battery supplied. Can be used for more than 96 hours in idle mode by battery supplied.

Developing environment

OS of SIM840w for design

WIFI

Maximum Output Power: 12 dBm

Minimum Receiver sensitivity: -83 dBm

Frequency: 2,402 -2,480 MHz

Security Mode: WEP-128,WPA-PSK(TKIP),

WPA2-PSK (AES)

Dimensions

202mm*90mm*57mm

Weight

0.43kg

Power supply

AC input voltage

90V~250V AC

Power adapter output

DC 12V/2A

Application environment

Operating temperature

-15℃~55℃

Relative humidity

10%~95%

Environment noise

≤60dB(A)

Atmospheric pressure

86~106kPa

RF transmit frequency

GSM850       824-849MHz

E-GSM900     880-915MHz

  DCS1800      1710-1785MHz

  PCS1900      1850-1910MHz

Frequency stability

<2.5ppm

Receiver sensitivity

<-104dBm

GSM protocol

ETSI GSM Phase 2+

Transmit power

<2W(GSM,EGSM), <1W(DCS,PCS)

GSM parameters

SIM card interface

              1.8 & 3V

Antenna

Internal,50Ω impedance,3dB gain

Micro Printer

Printing method

Thermal-line dot method

Paper

Thermal roll paper (standard) 57*50mm

Effective Printing area

48mm

Speed

Maximum 70mm/sec(480 dot line/sec)

Printing resolutions

8 dots/mm

Character

12*24dots

Number of columns

32columns/line

Printing head life

Pulse resistance:100 million pulses/dot (under our standard conditions);

Abrasion resistance: paper traveling distance 50km (print ratio:25% or less)