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Full Discussion: Send SMS to mobile
Top Forums UNIX for Advanced & Expert Users Send SMS to mobile Post 303042020 by Neo on Wednesday 11th of December 2019 10:39:10 AM
Old 12-11-2019
Or maybe this kit, also on AliExpress?

Code:
https://www.aliexpress.com/item/32953399908.html?spm=a2g0o.detail.0.0.4d8582fcn1cmUD&gps-id=pcDetailFavMayLike

Code:
Features: 
The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5--4.5V power supply, optional power on self starting (default) and control start.
The onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset.
The size of the module is 49*50, all the new and original device.
The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. Support 2, mobile phone 3,4G card.
The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support
3.3 and 5V single chip microcomputer.
The SIM card circuit to increase the SMF05C ESD chip.
Antenna circuit: guarantee short and straight, so as to ensure the signal strength.
PCB display screen printing mark: each interface, convenient development two times, the SIM900/A hardware is completely follow the design when the design manual.
Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for lithium battery.
Control pin all leads.
A TTL level, compatible with 3.3V and 5V.
The two antenna interface, the default SMA straight head, connector for IPXmini antenna.
One way of speech interface, the way Mike interface.
The control interface of each pin description:
GND - GND
SIMR SIM900A RXD, TTL level, can not be directly connected to the 232 level
SIMT SIM900A TXD, TTL level, can not be directly connected to the 232 level
RST - SIM900A reset, active low
VCC_MCU when the SIM900A module and 5V TTL level communication, this pin is connected to DC 5V; when the level of communication of SIM900A and 3.3V TTL, this pin is connected to DC 3.3V.
VCC5----DC 5V input.
VCC4------DC3.5--4.5 input
 
Onboard Resources:
Serial port circuit(with protection)
Antenna interface circuit(SMA bend female port)
SIM card circuit(flip SIM slot)
4*3.5 fixture hole 4pcs
SIM900A serial port output terminal
 
Specifications:
Size:49mm x 47mm
Net Weight:28g
Weight: 38g 
 
Package Included:
1 x SIM900A V4.0 kit
1x Power Cable
1x Antenna

This User Gave Thanks to Neo For This Post:
 

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gnokiid(8)							      gnokii								gnokiid(8)

NAME
gnokiid - create a virtual modem for old Nokia mobile phones SYNOPSIS
gnokiid gnokiid [--help|--version|--debug] DESCRIPTION
gnokiid is a tool from the gnokii tool suite used to create a virtual modem device with a Nokia portable telephone. The virtual modem device is usually accessed via a symbolic link called /dev/gnokii (created automatically by mgnokiidev(8)). Please note that you don't need a virtual modem when you have real modem accepting AT Hayes commands (most of the modern phones). gnokiid was written for the phones that supported data transfer but didn't expose AT layer (namely Nokia 6110, 6130, 6150, 5110, 5130). After gnokiid has created the virtual modem, it can be accessed like any other Hayes-compatible modem by such programs as the terminal pro- gram minicom(1) or the PPP daemon pppd(8) to make standard data connections to remote computers. The full range of portable telephone functions (SMS messaging, phone book, operator logos, etc.) are accessed using the command-line pro- gram gnokii(1) or the graphical interface program xgnokii(1x). gnokii is a Linux/Unix tool suite and (eventually) modem/fax driver for Nokia mobile phones, released under the GPL. gnokii supports most phones from the 3810/8110 and 5110/6110 series, details including bugs specific to each series appear in the files Docs/README-3810 and Docs/README-6110 respectively. OPTIONS
If called without any options, gnokiid will set up a virtual modem device using the settings in gnokii(1) config file (if it exists). Oth- erwise, --help print out a short usage message --version print out version, copyright, phone, and serial device info --debug uses STDIN/STDOUT for a virtual modem DIAGNOSTICS
Various error messages are printed to STDERR. BUGS
Hmmm... AUTHOR
Hugh Blemings <hugh at blemings dot org> and Pavel Janik ml. <Pavel.Janik at suse dot cz> are the authors of the gnokii tool suite. This manual page was written by Erik Rossen <rossen at freesurf dot ch>. See also Docs/CREDITS from the gnokii sources. COPYING
This program is distributed under the GNU Public License Version 2, or (at your option) any later version.. SEE ALSO
gnokii, xgnokii, mgnokiidev Erik Rossen May 27, 2001 gnokiid(8)
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