Siretta GSM/GPRS Modem, 7.1Mbit/s, Transmission Speed: 7.1 Mbit/s, 21Mbit/s, Nominal Supply Voltage: 5 V → 42V dc, Supported Frequency Bands: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz, Weight: 101g, Depth: 28mm, Height: 93mm, Width: 68mm, Minimum Operating Temperature: -40°C, Minimum Supply Voltage: 5V dc, MPN: ZETA-N2-GPRS STARTER KIT