AM primary antenna(one master with two slave and two follow)
Operate mode: mono
1.Input Voltage:220V AC +/- 10% 50Hz/60Hz
2.Working Frequency:58 KHz
3.Outline Dimension:1650x390x40mm
4.Net Weight:13.5kgs
5.Detection Range
  primary to slave:
  2x0.75m DR label; 2x1.2m AM pencil tag
  slave to follower:
   1.0m DR label; 1.6m AM pencil tag
6.Material: ABS
One master with two slave and two follow antennas, work as mode and dual modes.

International advanced 3rd technology, auto-adjust circuit
1pc/ctn, 163X50X15cm, 26kg