Introduction: 
 GP99 is an extended range 125kHz RFID Long Range proximity reader featuring compact dimension.It can read range from 90cm to 130 cm depends on the interference on site. GP99 can effectively penetrate solar film and allows MC-5 proximity card to be read from inside the car without winding down windows. The unit will run an excellent power supply and marking it particularly suited to access control,car parking and through-well reading applications.  Ideal solution for car parking access control; residential and commercial building – no more hand getting wet during rainy day and less car robbery risk at entrance.

Features:
* ARM 32 CPU
* Can penetrate solar film (V-Kool V40)
*Auto tuning function to compensate presence of
metal and interference
*Extended reading range from 90 cm to 130 cm.
*Bright LED indicators, tuning LED bar
*Firmware upgradable in the field
*IP-65 weatherproof housing design
*High-quality power supply with noise filter
included.
*Loop Inductive function optional
*Anti-rereading function included

Power Supply:

The GP99 is power by a one-stage circuitry(see the figure below):the power supply input 230VAC/120VAC into 12VDC.The power supply also filters out the power line noise and further stabilizes the voltage supplier to the GP9,which is very important to proper reader operation.