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1 2 4 5 6 7 9 10 11 12




ANT
A RFS100 A
KMS-515
INTENNA




G




G
C100




C

A
15pF C102 C101




4

3

2

1
25V 0 3.9PF ANT_S ANT_G1
GSM74137_OUT RTXQP
DCS74137_OUT RTXQN
RTXIN
L100 L101 C103 L102 ANT_G2 RTXIP
NC 39nH NC 27nH
VBAT VRF_2.9V VBAT
MODE
R100
0


VBAT L103
0




41
40
39
38
37
36
35
34
33
32
B PAM100




GND
TXHB
TXLB
QP|TX_QP
QM|TX_QM
IM|TX_IM
IP|TX_IP
VDIGENA
LOMON
VCC3
R101 24 C104
SKY77331 TX_FB 100nF
C105
1 31 C106 C107
VCC1 NC 6.3V
TX_EN 2 30 22pF 1000nF 10uF
U100 3
TXENA NC
29
PAC_EN
1 ENA COUP_OUT 16 R102 R103 VPC VPC NC 25V 10V 10V
220 220 6
FEMEDPXBD4532EGG 4
850LNA_N
U101 NC
28
C108 12PF 2 DCS|PCS_IN GND 15 5 27
DCS74137_OUT 50V 4 VC1 ANT 12 L106 10nH 6
850LNA_P SKY74137 CHIPENA
26
XOENA
GSM_TX_EN EGSMRX 900LNA_N SXENA SX_EN




13MHZ_26MHZ|XBUF
3 BS DCS|PCS_OUT 14 2 VC2 13 7 25
BAND_SEL DCS_TX_EN 5 NC
EGSMRX
10 C109 8
900LNA_P CLK
24
SERCLK
R104 DCSRX 1800LNA_N LATCHENABLE SERLE
4 VSUP GND 13 2.2nH 11 0.75PF 9 23
3 EGSM_TX
DCSRX
8 50V L107 10nH 10
1800LNA_P DATAIN
22
SERDAT
DPCS_OUT GSM_OUT PCSRX
11
1900LNA_N VCC2
21
5 VBATT GSM_OUT 12
DPCS_OUT
1
D|PCSTX PCSRX
9
1900LNA_P XTAL CLK13M_RF




COMPN
LPFADJ
COMPP
TXRFIN
RXENA




XTUNE
VAPC
VCC4
R105 2.2K,1% G G
VPC
6 VPC GND 11 C110 L108 5.6nH
7 14
0.0012NF C112
C113 33PF C114
7 GSMIN GND 10 100nF




12
13
14
15
16
17
18
19
20
GSM74137_OUT C116 C117 NC
25V 6.3V
8 RSVD GND 9 0.01NF 0.01NF L109 5.6nH
SATDET L112 25V 25V RX_EN
C R108 0 GND 3.9nH TX_FB
(0603) GSM_OUT SATDET
17 L110 4.7nH
VAPC
C111 C118 R109
1.5pF NC 10K
L111 4.7nH
R110 C121 R112 C122 C123 C124
NC 470PF NC 10UF 100PF 10NF
16V 10V 25V 16V C125 C126 C119
100PF 100PF 0.12nF
25V 25V 25V



R113
39K,1%




D D




VBT_1.8V ANT100
VRF_2.9V
ACS2450EBAAM




E R125 E
R114 VBT_1.8V VBAT 0 MOD100
R115 10 U102 BTTZ0502SA 1 2 3
R116
NC R1114D181D-TR-F 4.7K TP100
C128 VRF_2.9V 8
RESETB ANT
22
10nF R117
U103
R118
10K 6.3V 100 NC7SP04L6X 1 6 26 16
1 4
VDD CE VBT_EN BT_CTS 14
UART_CTS PCM_CLK
13
PCM_CLK
AFC VCON VCC CLK13M_RF 1 6 2 5
BT_RTS 17
UART_RTS PCM_IN
9
PCM_IN
NC VCC