Patent ID: 9692528
Date: 2017-06-27
CPC Classifications: H04B

Claim:
1. A device for improving receiving and transmitting performance of a radio frequency link, the device comprising a radio frequency transmitting link configured to transmit a signal, a radio frequency receiving link configured to receive a signal transmitted by a base station and a test link configured to test the radio frequency transmitting link and the radio frequency receiving link, wherein, a first node is set between a power amplifier and a contact spring of a first antenna in the radio frequency transmitting link, and the first node is connected to a first on-off port of a radio frequency main switch in the test link; a second node is set between a receiving filter and a contact spring of a second antenna in the radio frequency receiving link, and the second node is connected to a third on-off port of the radio frequency main switch in the test link; and a second on-off port of the radio frequency main switch in the test link is connected to ground via a resistor.