M590 modem
Dual-band GSM module without voice support.
Technical specifications:
Frequency range: 900/1800 MHz
Supply voltage: 3.3 ... 4.8 V (nominal 3.9V)
Data transfer protocols:
GPRS class 10
GPRS: maximum speed 48 kbit/s
SMS: receive/transmit, point-to-point MO/MT, broadcast mode, built-in TCP/UDP/FTP/DNS protocol stack: TCP/UDP server client or M2M
AT command set
GSM 07.05, 07.07
| Compatibility | SR-1640, SR-Nano-500, SR-Nano-1000 |
| Communications standard | 2G |
| External control device | Optional |
| Voice features | No |
| Headset jack | No |
| 8P8C (RJ-45) port (switch) | No |
| USB connection | No |
| Weight | 8 g |
| Size (мм) | 42 × 27 × 18 |