Smart Card Redear Anteena

[Jterrance]

Dear All,
I am new to RF Field. Please advice me about thge few
1. My Unit use for RFID PCB Antenna which have 500Ohm, How to measure the transmit power using Spectrum Anylazer

2. How to improve (increase gain) read rage from RFID Tag(Smart card)

 

[VEBill]

Can you provide additional information:
1) Type of RFID reader ? (Manufacturer, Model nmber, Internet link)
2) Application ? Can you accept a directional antenna, or do you want increased range while maintaining omnidirectional coverage area ?
3) Present range, desired range ?