1) HY2600/HY2800 be with GSM?
Our device has optional function of GPRS/GSM
As long as be with GPRS, there will be with GSM
2) What band supported for HY2600/HY2800 GPRS/GSM?
There are two optional Modules.
Standard One is just be with two Band 900/1800MZH
Another one is with 4 bands 850/900/1800/1900 MHz, but with higher cost.
More detail, please contact our sales. When you deliver the order involved the 4 bands GPRS Module, please mention it in order.