HAX9340F AM 58Khz Floor System Features: 1. One controller can connect 1, 2, 3, 4 floor antennas in max (price is different) 2. Super wide detection, 1.8meter by 85mm tag, 0.8meter by AM label 3. Remote Control by software (through wifi module, RJ45 module); 4. Floor Antenna frame does not occupy too much space 5. Board firmware supports upgrade