Brief Introduction
Ø Support EPC C1Gen2 V1.2/ISO18000-6C；
Ø 21.9*20.6mm Stamp port design, compact size, easy to integrate;
Ø Output power range of 8-27dBm, with ceramic antenna identification tag distance of up to 2 meters or more;
Ø Low power consumption mode for handheld PDA application scenarios, no additional heat dissipation required;
Ø Built-in temperature compensation mechanism, 7*24 hours continuous trouble-free operation;
Ø Suitable for apparel, retail, industrial automation and other industries.
|
Fixed Current |
500mA |
25dBm |
|
Standby Current |
≤1mA |
EN pin low level |
|
Frequency Range |
840～960MHz |
920-925mhz default |
|
Default working frequency |
Frequency hopping |
Frequency Interval 250KHz |
|
Fixed power |
27dBm |
|
|
Stepping interval |
1dB |
20~30dBmadjustable by software |
|
Communication protocol |
UART |
TTL level |
|
Max Reading distance |
2m |
2dBi uhf rfid ceramic antenna |
Characteristics of DC
Requirement on Antenna
|
No |
Item |
Technical data |
Remark |
|
1 |
Standing wave ratio |
≤1.5 |
|
Appearance and Structure
l Size：21.9*20.6*3mm
l Weight：5g
Drawing 1 Front view of Reader Module
Draw2 Seal of reader module
Draw3 Side view of reader module
Interface Definition
|
Pin |
Signal name |
Signal direction |
Function/compatibility description |
|
1-4 |
NC |
|
NC |
|
5-6 |
GND |
- |
Module Connecting Ground |
|
7 |
VCC |
Input |
Module Supplying power |
|
8 |
EN |
Input |
Module Enabling, Highly Effective |
|
9 |
GPIO1 |
Output |
|
|
10 |
GPIO2 |
Output |
|
|
11 |
UART_RX |
Input |
|
|
12 |
UART_TX |
Output |
|
|
13 |
GND |
|
Ground |
|
14 |
NC |
|
|
|
15-16 |
GND |
|
Ground |
|
17 |
RFOUT |
|
RF output power |
|
18-19 |
GND |
|
Ground |
|
20-23 |
NC |
|
|
|
24 |
GND |
|
Ground |
Environment Requirement
|
No |
Item |
Technical data |
Remark |
|
1 |
Working temperature |
-20～+70℃ |
|
|
2 |
Storage temperature |
-40～+85℃ |
|
|
3 |
Relative humidity |
10%～90%RH |
|
Reference design
Note: When the module is directly powered by the battery, the EN pin needs to be connected to the 10K resistor pull-down
