| Reader Communication Protocol Developer's Guide |
|
Set Current Region
Command Attribute
| Command Code | Bootloader Command | App Firmware Command |
|---|---|---|
| 0x97 | No | Yes |
Host to Reader
Format of Data Field
| Field | Byte Length | Description |
|---|---|---|
| Region Code | 1 byte | Please refer to the Region Code Table |
Regin Code Table
| Region Name | Region Code |
|---|---|
| North America(902-928) | 0x01 |
| China 1(920-925) | 0x06 |
| European(865-867) | 0x08 |
| China 2(840-845) | 0x0A |
| Full Frequency Band(840-960) | 0xFF |
Example
Set region to NA
Host to Reader
| FF | 01 | 97 | 01 | 4B BC |
|---|---|---|---|---|
| Header | Data Length | Command Code | Region Code | CRC |
Remark
The hop table of different region can only contain certain specific frequencies in the table below except Full Frequency Band. So Set Frequency Hopping command can only select the frequencies which belong to the region which the reader is working on. The Full Frequency Band can uses any frequency in 840-960MHZ. The frequencies in Region Frequencies Table is the default hop table for each region after using the Set Current Region command.
Region Frequencies Table
| Region | Frequencies(KHZ) |
|---|---|
| North America(902-928) | 915750, 915250, 903250, 926750, 926250, 904250, 927250, 920250, 919250, 909250, 918750, 917750, 905250, 904750, 925250, 921750, 914750, 906750, 913750, 922250, 911250, 911750, 903750, 908750, 905750, 912250, 906250, 917250, 914250, 907250, 918250, 916250, 910250, 910750, 907750, 924750, 909750, 919750, 916750, 913250, 923750, 908250, 925750, 912750, 924250, 921250, 920750, 922750, 902750, 923250 |
| China 1(920-925) | 921375, 922625, 920875, 923625, 921125, 920625, 923125, 921625, 922125, 923875, 921875, 922875, 924125, 923375, 924375, 922375 |
| European(865-867) | 865700, 866300, 866900, 867500 |
| China 2(840-845) | 841375, 842625, 840875, 843625, 841125, 840625, 843125, 841625, 842125, 843875, 841875, 842875, 844125, 843375, 844375, 842375 |
| Full Frequency Band(840-960) | 840000, 850000, 860000, 870000, 880000, 890000, 900000, 910000, 920000, 930000, 940000, 950000, 960000 |