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)
