Raspberry Pi Case-LTRIG
custom 1Pcs SIM900A SIM900 MINI V4.0 Wireless Data Transmission Module GSM GPRS Board Kit w / Antenna C83
custom 1Pcs SIM900A SIM900 MINI V4.0 Wireless Data Transmission Module GSM GPRS Board Kit w / Antenna C83
Regular price
$8.89 USD
Regular price
$10.89 USD
Sale price
$8.89 USD
Unit price
per
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We are a manufacturer of electronic components, electronic modules for a large number of products.We are the factory!With more than 10 years of PCB development experience, the product quality is good, the price is excellent.A large number of wholesale sales of global buyers, welcome to purchase.
Characteristics:
The built-in 5V VCC5 power interface, VCC4 interface, 3.5-4.5V power supply, optional power to auto start (default) and control start.
Integrated SMA (default) and IPXmini antenna interface, SIM900A interface Reserve restart.
Module size is 49 * 50, all new and original device.
The computer can provide early debug USB module power supply, a large amount of data under the condition of recommended current of more than 1A. Dozens of standby MA data can be configured to provide idle, low-power 10MA idle. Support 2, 3.4G card mobile phone.
Serial connection port circuit: compatible with 3.3V single chip microcomputer. Support TTL serial port
3.3 and 5 V single chip microcomputer.
The SIM card circuit to increase the SMF05C ESD chip.
Antenna circuit: guarantees short and straight, to guarantee signal strength.
PCB screen printing mark: each interface, practical development twice, the SIM900 / A equipment fully follow the design when the design manual.
Two power supply interfaces: VCC5, 5 V DC above 1 a. The 5V computer power supply can be early computer USB. DC data circuit long over larger recommended 5V1A. VCC4 power supply, 3.5-4.5V, id., Suitable for lithium batteries.
Check pin all cables.
One TTL level, 3.3V and 5V compatible.
The two antenna interface, the default SMA straight head, connector for the IPXmini antenna.
A form of voice interface, the form of a microphone interface.
The control interface of each pin Description:
GND-GND
SIMR SIM900A RXD, TTL level, cannot connect directly to level 232
SIMT SIM900A TXD, TTL level, cannot connect directly to level 232
RST-SIM900A reset, active low
VCC_MCU when SIM900A module and 5V TTL level communication, this pin is connected to 5V DC; When the communication level of SIM900A and TTL of 3.3V, this pin is connected to 3.3V DC.
VCC5 ---- DC 5V INPUT.
VCC4 ------ DC3.5--4.5 input
On board resources:
Serial connection port circuit (with protection)
Antenna interface circuit (SMA curve female port)
SIM card circuit (flip SIM slot)
4 * 3.5 hole 4 pcs
SIM900A serial port output terminal
Graphite Crucible Mini Gold Furnace Metal Melting Torch:
1 x SIM900A V4.0 kit
1x Power Cable
1x antenna
The built-in 5V VCC5 power interface, VCC4 interface, 3.5-4.5V power supply, optional power to auto start (default) and control start.
Integrated SMA (default) and IPXmini antenna interface, SIM900A interface Reserve restart.
Module size is 49 * 50, all new and original device.
The computer can provide early debug USB module power supply, a large amount of data under the condition of recommended current of more than 1A. Dozens of standby MA data can be configured to provide idle, low-power 10MA idle. Support 2, 3.4G card mobile phone.
Serial connection port circuit: compatible with 3.3V single chip microcomputer. Support TTL serial port
3.3 and 5 V single chip microcomputer.
The SIM card circuit to increase the SMF05C ESD chip.
Antenna circuit: guarantees short and straight, to guarantee signal strength.
PCB screen printing mark: each interface, practical development twice, the SIM900 / A equipment fully follow the design when the design manual.
Two power supply interfaces: VCC5, 5 V DC above 1 a. The 5V computer power supply can be early computer USB. DC data circuit long over larger recommended 5V1A. VCC4 power supply, 3.5-4.5V, id., Suitable for lithium batteries.
Check pin all cables.
One TTL level, 3.3V and 5V compatible.
The two antenna interface, the default SMA straight head, connector for the IPXmini antenna.
A form of voice interface, the form of a microphone interface.
The control interface of each pin Description:
GND-GND
SIMR SIM900A RXD, TTL level, cannot connect directly to level 232
SIMT SIM900A TXD, TTL level, cannot connect directly to level 232
RST-SIM900A reset, active low
VCC_MCU when SIM900A module and 5V TTL level communication, this pin is connected to 5V DC; When the communication level of SIM900A and TTL of 3.3V, this pin is connected to 3.3V DC.
VCC5 ---- DC 5V INPUT.
VCC4 ------ DC3.5--4.5 input
On board resources:
Serial connection port circuit (with protection)
Antenna interface circuit (SMA curve female port)
SIM card circuit (flip SIM slot)
4 * 3.5 hole 4 pcs
SIM900A serial port output terminal
Graphite Crucible Mini Gold Furnace Metal Melting Torch:
1 x SIM900A V4.0 kit
1x Power Cable
1x antenna
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