In signaling tester mode, protocol software establishes a connection call with the mobile phone and performs of radio characteristics tests (conforming to the 3GPP TC protocol).

Test items Registration Call setup from UE Call setup from NW Release from NW Release from UE Frequency handover Speech test (Sound loop back)
(W-CDMA) Max./Min. output power Open loop power control Inner loop power control Modulation accuracy Frequency error Reference sensitivity Maximum input reception	(GSM) Output power Phase error Burst timing Frequency Error Reception quality (Report from UE) Reception level (Report from UE) Loopback BER

In Tx/Rx tester mode, each of the following operations is carried out simultaneously without activating the protocol (no signaling): transmission of downlink Layer 1 signals to the mobile phone, reception of uplink signals from the mobile phone, and measurements of the transmitter characteristics of the mobile phone. You can perform a receiver characteristics test (Rx test) and a transmitter characteristics test (Tx test) on the mobile phone without signaling.

In Auto Test Mode, all tests are carried out automatically, requires only minimal button operation on the mobile phone.

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