CHARACTERISTICS
Absolute Maximum Rating
| ITEM | SYMBOL | VALUE | UNIT | 
| Power Supply | VCC | 16 | V | 
| Operating Temp. | TOPR | -20~+55 | ℃ | 
| Storage Temp. | TSTR | -20~+85 | ℃ | 
Electrical and Mechanical Specification
Under TA=25℃,VCC=+9V unless specified
| ITEM | SYMBOL | MIN | TYP | MAX | UNIT | 
| Power Supply | VCC | 8 | 9 | 12 | V | 
| Current Dissipation | IC | 0.5 | 1.2 | A | |
| Frequency | FREQ | 840 | 860~868
 902~928  | 
960 | MHz | 
| Size | L x W x H | 268 x181 x28 | mm | 
INTERFACE
1.Power (DC JACK)
| No. | Symbol | Comment | 
| Central | PWR | +9VDC | 
| Outer | GND | Ground | 
2.USB
3. UART (RS232 DB9 Female)
| No. | Symbol | Comment | 
| 1 | NC | Reserved | 
| 2 | TXD | Data output in RS232 | 
| 3 | RXD | Data input in RS232 | 
| 4 | NC | Reserved | 
| 5 | GND | Ground | 
| 6 | NC | Reserved | 
| 7 | NC | Reserved | 
| 8 | NC | Reserved | 
| 9 | NC | Reserved | 
4.GPIO (DB15 Female)
| No. | Symbol | Comment | 
| 1 | NC | Reserved | 
| 2 | NC | Reserved | 
| 3 | Input1- | General OPTO-coupler isolated input – | 
| 4 | Input2- | General OPTO-coupler isolated input – | 
| 5 | Output1 | General OPTO-coupler isolated Output1 | 
| 6 | Output1 | General OPTO-coupler isolated Output1 | 
| 7 | Output2 | General OPTO-coupler isolated Output2 | 
| 8 | Output2 | General OPTO-coupler isolated Output2 | 
| 9 | Input1+ | General OPTO-coupler isolated input+
 with internal pull-up to 3.3V through a 1k resistor  | 
| 10 | Input2+ | General OPTO-coupler isolated input+
 with internal pull-up to 3.3V through a 1k resistor  | 
| 11 | NC | Reserved | 
| 12 | GND | Ground | 
| 13 | NC | Reserved | 
| 14 | NC | Reserved | 
| 15 | NC | Reserved | 
5.TCPIP network (RJ45)
6.TNC antenna port ANT1~ANT4

                                




