Wavecom G1900 Uživatelský manuál stáhnout pdf (Strana 21)

Beijing wavecom www.sendsms.cn

6.5. Electrical characteristics

The following figure summarises electrical characteristics defined in

input/output for all external connections.

Parameters MIN TYP MAX UNIT Comments

Power supply :

Input supply voltage

Input supply voltage with Car Kit option

Input peak supply current @5V*/6V**

Input average supply current @5V*/6V** in

communication mode

Input average supply current @5V*/6V** in

idle mode (paging period 480ms)

Input average supply current @5V* in idle

mode with auto-shutdown function***

5*/6**

13,5

2,5*/0,9**

450*/200**

GSM or DCS/PCS

Serial link :

RS232

standard

Audio (head set) :

microphone input current @2V/2KΩ

absolute microphone input voltage

speaker output current 150Ω //1nF

absolute speaker impedance

0,5

100

mVpp

SIM 3 5 V

* only GSM

** only DCS/PCS

*** auto shutdown function could be activate if the serial link leads a non

hardware flux (CTS/RTS non used). This hardware function will not be

available with the first products.

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Wavecom G1900 Uživatelský manuál Strana 21