Features GPW100 :

1. Encoded tags by GPW100 can be read by all GP series readers or any other GP compatible readers
2. RS-232 interface ,9600,N,8,1
3. Frequency : 125 KHz

Utility software features: 

1. read a card
2. write a card
3. write a cards from a file
4. Edit/write a card
5. write cards with progressive numbers
6. Duplicate a card

Features GPW106: 

1. Frequency:13.56MHz
2. Read / Write ISO14443A;mifare ® and mifare ® PRO standard cards
3. Fast data transfer
4. High data integrity
5. True anti-collision

Utility software features:

1. read a card
2. write a card
3. write a cards from a file
4. Edit/write a card
5. write cards with progressive numbers
6. Duplicate a card