Specifications: The report mainly provides the test status of various electrical performance parameters of B631 gate 868&2.4G antenna. (Figure 1 below As shown)
2.1 Specifications
The B631 gate 868&2.4G antenna operates at 868MHz & 2400-2500MHz.
2.2 Antenna matching circuit
B631 Gate 868&2.4G antenna matching Motherboard comes with matching.
2.3 Return loss (RL) test
A. Test Settings
The RL test device is connected successively: 8714ET network analyzer →50 ohm coaxial Cable→120mm long copper pipe → test
Test fixture.
Treatment of test fixtures: From the B631 gate 868&2.4G antenna 50 ohm test point with a cable leading to the SMA connector and sleeve
The copper pipe with the choke is connected, and then the other devices are connected in turn
