This is the shield box connected to the mobile phone tester (ex NJZ-2000) to test the transmitter and receiver characteristics of the mobile phone in the environment with the least interfering effects from any other external signals and noise.

Hi Isolation

RF Isolation: >50 dB from 800 MHz to 2 GHz

Measuring UE Characteristics

Coupling Factor to between two built-in PCB antennas
in open space (1-inch away from coupler surface):

  • 8 dB from 824 MHz to 960 MHz
  • 12 dB from 1700 MHz to 2000 MHz

Fixture to place handsets at the same position

Sample of Connection

Example of Connection with the Tester or JRC (GSM/ EGPRS/W-CDMA/HSDPA)