WJM1000 - Based on WJC200 Gen2 RFID reader chipset
Power Supply.
+5.0V ± 0.5 V @ 550 Milliamps Power Supply Ground Return No Connect Active High Power Enable.
Grounding this pin shuts off entire module.
Minimum logic high voltage is +2.5V.
5V tolerant.
Low impedance driver or a pull up resistor less than 2K required.
3.3V CMOS logic-level UART trans
WJM1000 Features
* x Multi-protocol support: ISO 18000-6C (Gen2) & ISO 18000-6B Dynamic RF output power: 10 dBm to 24 dBm range Two antenna port for added flexibility Power saving modes to extend battery life Special printer commands to enable high throughput tag/label fulfillment WJC200 Gen2 reader chipset based des