GTM900C GTM900B GSM GPRS DTU module ARM STM32F103RBT6 development board STM32

GTM900C GTM900B GSM GPRS DTU module ARM STM32F103RBT6 development board STM32
Price: US $99.17/ piece|Processing Time: Ships out within 3 days
Unit Type: piece|Package Weight: 0.3kg|Package Size: 10cm x 10cm x 10cm

Detailed Information:

GTM900C GTM900B GSM GPRS DTU module ARM STM32F103RBT6 development board STM32


On-board resources


1.MCU STM32F103RBT6.
2.GSM/GPRS GTM900C.
3.EEPROM 24C16.
4.STM32 serial 3, GTM900C serial 1.
5.wide voltage input, two-way power supply not interfere.
6.SIM deck
7.GTM900 support MCU Start-up and manual start
8.compatible with Siemens, Huawei GTM900C GTM900B TC35 TC35I MC39I other


Board characteristics


1 ARM chip STM32F103RBT6
2 ARM interface almost all extraction.
3 ZIF40 interface, Siemens and Huawei are all compatible.
4 Good code, stable data communication
5 modules and ARM are independent power supply
6 supports the ARM three independent serial debugging GTM900C independent debugging.
7 Support wide input voltage and its ultra-high-power, the default 7-25V.
8 GTM900C support manual start and ARM start.
9 providing a lot of information and video tutorials.
10 providing technical support


GTM900CFeature



























































































































































Feaure



Description



Working frequency bands



Dual band EGSM900/GSM1800



Maximum transmit power



EGSM900/GT800 Class4(2W)



GSM1800 Class1(1W)



Receive sensitivity



<-106dBm



Working temperature



-30C +75C



Powere voltage



3.3V4.8V (recommended value3.8V)



Average standby current



TBD



Power-off leakage current



TBD



Protocols



GSM/GPRS Phase2/2+



Huawei GT800



AT commands



GSM AT commands



V.25 AT commands



Huawei extended AT commands



40PIN FPC connectors



UART interfacemaximum baud rate of the serial port:115200bit/s



Standard SIM card interface1.8V or 3V



Two analog audio interfaces



Power supply interfaces



GSC RF antenna connector



50¦ GSC antenna connector



Voice service



FR, EFR, HR and AMR Voice encoding



Calls in hands-free mode



Echo cancellation function



SMS



MO and MT



Point-to-point and cell broadcast



Text messages in TEXT and PDU modes



GPRS data service



GPRS CLASS 10



Encoding schemes:CS 1CS 2CS 3 and CS 4



Maximum rate:85.6Kbit/s



PBCCH



Embedded TCP/IP protocol suitesupports multiple linksand provides ACK answer and large-capacity cache.



Circuit data service



CSD service(maximum rate: 14.4Kbit/s)



Fax serviceGroup3 Class2.0



USSD service



Supplementary



Caller ID display



Call forwarding



Call holding



Call waiting



Tree-party calls



Trumking



Group calls



Broadcasts



Private calls



STK



STK function supported bu using enhanced AT commands



RoHS



Compliance with the RoHS Directive




STM32F103RBT6 parameters:


CPU frequency (M) 72
FLASH (byte) 128KB
RAM (byte) 20KB
Timer 4
SPI interface 2
the IIS interface 2
the IIC interface 2
USART interface 3
USB interface 1
CAN Interface 1
SDIO interface 1
ADC (channel) 16
I/O ports 51
package LQFP64



Package list


ARM DTU development board: 1 (on-board with GTM900C module and STM32F103RBT6)
12V/1A External power supply: 1
RS232 serial line: 1
GSM special antenna: 1
Special antenna adapter cable: 1 (welding fixed on the PCB)
Install copper column: 4


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Detailed Specifications: