| Product type designation | MODEM MD720 GSM/GPRS, 2G |
| modem MD720; GSM/GPRS, 2G mobile radio modem with RS232 interface; for GSM services CSD, GPRS, SMS; Quadband GSM; AT command interface; observe national approvals! autom. GPRS connection setup; incl. gender changer for RS232/PPI adapter |
| Transmission rate |
| Transfer rate | |
| for GSM transmission | 9600 bit/s |
| for GPRS transmission / with downlink / maximum | 54 kbit/s |
| for GPRS transmission / with uplink / maximum | 42 kbit/s |
| Interfaces |
| Number of electrical connections | |
| for network components or terminal equipment | 1 |
| for internal network | 1 |
| for external network | 1 |
| Number of electrical connections | |
| for external antenna(s) | 1 |
| for power supply | 1 |
| Type of electrical connection | |
| for internal network | 9 pin Sub D |
| for external network | SMA antenna socket (50 ohms) |
| for external antenna(s) | SMA antenna socket (50 ohms) |
| for power supply | 4-pole terminal strip |
| WAN connection |
| Type of mobile network / is supported | GSM |
| Type of mobile wireless service / is supported | GPRS |
| Operating frequency / for GSM transmission | 850 MHz, 900 MHz, 1800 MHz, 1900 MHz |
| Type of GPRS time slot method / Multislot Class 10 | Yes |
| Supply voltage, current consumption, power loss |
| Supply voltage / Rated value | 24 V |
| Supply voltage / rated value | 12 ... 30 |
| Type of voltage / of the supply voltage | DC |
| Consumed current / at rated supply voltage / maximum | 355 mA |
| Power loss [W] | |
| typical | 3.4 W |
| Permitted ambient conditions |
| Ambient temperature | |
| during operation | -20 ... +60 °C |
| during storage | -25 ... +85 °C |
| Relative humidity / at 25 °C / during operation / maximum | 95 % |
| Protection class IP | IP30 |
| Design, dimensions and weight |
| Design | compact |
| Depth | 90 mm |
| Height | 100 mm |
| Width | 30 mm |
| Net weight | 150 g |
| Mounting type | |
| 35 mm DIN rail mounting | Yes |
| wall mounting | Yes |
| Product functions / management, configuration |
| Product function | |
| CLI | No |
| web-based management | No |
| MIB support | No |
| Protocol / is supported | |
| Telnet | No |
| HTTP | No |
| Type of configuration | AT commands |
| Standards, specifications, approvals |
| Standard | |
| for EMC | EN 61000-6-2, EN 61000-6-4, EN 55022, EN 55024, EN 301 489-1, EN 301 489-7 |
| for hazardous zone | II 3 G Ex nA IIC T4 Gc |
| for safety / from CSA and UL | UL 60950 |
| for emitted interference | EN 55022, EN 61000-6-4 |
| for interference immunity | EN 55024, EN 61000-6-2 |
| Certificate of suitability | CE conformance declaration |
| CE marking | Yes |
