Samsung SGH-X640 Service Manual

Also see for SGH-X640: User guide Service manual Manual

SAMSUNG Proprietary-Contents may change without noticeGS M9 0 0Ph a se 1E GS M 9 0 0Ph a se 2DC S 1 8 0 0P h as e 1P C1 9 0 0P h as e 1F req . B a n d [M Hz ]Up l in k / Do w n li n k8 9 0 ~9 1 59 3 5 ~9 6 08 8 0 ~9 1 59 2 5 ~9 6 01 7 1 0 ~1 7 8 51 8 0 5 ~1 8 8 01 8 5 0 ~1 9 1 01 9 3 0 ~1 9 9 0A RF C N ra n g e 1 ~1 2 4 0 ~ 1 2 4 &9 7 5 ~1 0 2 3 5 1 2 ~8 8 5 5 1 2 ~8 1 0T x /R x s p ac in g 4 5 MHz 4 5 MHz 9 5 M Hz 8 0 MH zMo d . B i t r at e/Bi t Pe ri o d2 7 0 . 8 3 3 k b p s3 . 6 9 2 u s2 7 0 .8 3 3 k b p s3 .6 9 2 u s2 7 0 . 8 3 3 k b p s3 . 6 9 2 u s2 7 0 .8 3 3 k b p s3 .6 9 2 u sTi me Sl o tP er io d / F rame P eri o d5 7 6 . 9 u s4 .6 1 5 ms5 7 6 .9 u s4 .6 1 5 ms5 7 6 . 9 u s4 .6 1 5 ms5 7 6 .9 u s4 .6 1 5 msMo d u l a ti o n 0 .3 G MS K 0 .3 G MS K 0 .3 GM SK 0 .3 GM SKM S P o we r 3 3 d Bm~1 3 d B m 3 3 d Bm~5 d B m 3 0 d B m~0 d B m 3 0 d B m~0 d B mPo w er C l as s 5 p cl ~ 1 5 p c l 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pclSe n si t iv i t y -1 0 2 d B m - 1 0 2 d Bm -1 0 0 d B m -1 0 0 d B mTDM A M u x 8 8 8 8C el l Ra d iu s 3 5 Km 3 5 Km 2 Km 2 Km1. GSM General Specification