USR GPRS DTU RS232 RS485 to GPRS converter RS232 TO GPRS (USR-GPRS-DTU)
Category: 802.11b/g/n
...ing Schemes: CS1 to cs4
SIM card:
SIM Control: 1.8v and 3v
Com port type: RS-232/RS-485/RS-422
com port settings: band rage:300-115200
data bits: 5 6 7 8
stop bits:1 1.5 2
Parity bits: NO...