Samsung SGH-D720 Service Manual

Also see for SGH-D720: User manual

1. SGH-D720 Specification1-1-1. GSM General SpecificationG S M9 0 0Ph ase 1E GS M 9 0 0Ph as e 2D CS 1 80 0P ha se 1 PC S1 9 0 0F r eq . B an d [M Hz]U p l i n k/D ow nl i n k8 9 0~ 91 59 3 5~ 96 08 8 0 ~ 9 1 59 2 5 ~ 9 6 01 71 0 ~ 1 7 8 51 80 5 ~ 1 8 8 01 8 5 0~ 1 91 01 9 3 0~ 1 99 0A RF C N r a n ge 1 ~ 1 24 0 ~ 1 2 4 &9 7 5 ~ 1 0 23 51 2 ~ 8 8 5 5 1 2~ 8 10Tx /R x sp aci n g 45 M Hz 4 5M Hz 9 5 MH z 80 M HzM od . Bi t r at e/Bi t Pe r i od27 0 .8 3 3 kbp s3 .6 92 u s2 7 0. 83 3 kb ps3 .6 9 2u s2 7 0 .8 33 kb p s3 .6 9 2 u s2 70 .8 3 3 kb ps3 .6 92 u sTi m e Sl o tPer i o d/ F r am ePe r i od5 76 .9 u s4 .6 1 5 m s5 7 6. 9u s4 .6 15 m s5 7 6 .9 u s4 .6 1 5 m s5 76 .9 u s4. 61 5 m sMo du l at i on 0 .3 GM SK 0 .3 G MS K 0. 3G M SK 0 .3 G MS KMS Po w er 3 3 d Bm ~ 13 d Bm 33 d Bm ~ 5 dB m 3 0d B m ~ 0 d Bm 3 0 d Bm ~ 0d B mP ow er Cl a ss 5 pcl ~ 1 5p cl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pclSen si t i vi t y -1 0 2 dB m - 10 2 d Bm - 1 00 d Bm -1 0 0 dB mT DM A M u x 8 8 8 8Ce l l Rad i u s 3 5 Km 35 K m 2 Km -