INSYS GSM | Cellular terminal with RS232 interface

Cellular modem for remote control of machines, plants and controls (PLCs)
INSYS GSM small is a cellular modem for industrial use in switch cabinets. The modem can be accommodated easily in particular at the site in local plants, machines and building technology thanks to its low width of only 23 mm.
The device features a serial RS232 interface as well as an antenna connection at the front. The SIM card slot is at the bottom of the device. 
Technical data INSYS GSM small
Physical features
Operating voltage 10 - 48 V DC ±5%
Power consumption standby max. approx. 500 mW
Power consumption connectionmax. approx. 2 W
Power consumption power downmax. approx. 200 mW
Power consumption sleepmax. approx. 300 mW
Minimum SIM card operating voltage 1.8 or 3 V
Transmitted output:
EGSM 900: Class 4
GSM 1800: Class 1
EGSM 900: Class E2
GSM 1800: Class E2

2 W
1 W
0.5 W
0.5 W
Weight 125 g
Dimensions (Width x Depth x Height)
23 mm x 120 mm x 75 mm
Temperature range -20 °C … 55 °C
Maximum permissible humidity 95% non-condensing
IP Rating Housing IP40, Terminals IP20
Technological features
Data formats of the serial interface 8N1, 7E1, 7O1, 7N2, 8E1, 8O1, 8N2
Fax class Fax group 3 Class 1/2
SMS featuresText and PDU mode
- Mobile Originated (MO)
- Mobile Terminated (MT)
- Cell Broadcast (CB)
Quad band GSM frequencies 850, 900, 1800, 1900 MHz
The INSYS GSM small 2.0 is enabled for all bands
by default. A restriction to the frequency bands
900 and 1800 MHz is configured using the command
CSDup to 14.4 kbps (must be supported by the provider)
GPRS featuresGPRS Multislot Class 12
Coding Scheme CS1 to CS4 (must be supported by the provider)
GPRS Terminal Device Class B (no simultaneous CSD and GPRS connect possible)
Modulation typesV.22bis, V.32 (4800/9600 bps), V.34, V.110 (4800/9600/14400 bps)
Serial interface speed300, 600, 1220, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200 bps