OctoScope BOX-TT: Semi-anechoic chamber with turntable
With built-in turntable, this is a key building block in a wireless personal testbed
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BOX-TT semi-anechoic chamber with a built-in turntable, is a key building block of the octoBox® wireless personal testbed.
The careful construction of the turntable and the method of its integration into the octoBox chamber ensure semi-anechoic conditions needed for controlled MIMO (multiple input multiple output) propagation. The turntable’s low-profile design leaves room for a variety of DUTs.
Submerging the power and data cables enables clean OTA (over the air) coupling between the test antennas and DUT antennas for optimum MIMO OTA measurement stability. Typically, the cables used to power and control the DUT are in motion while the turntable rotates. If not properly secured, these cables can get entangled by the rotation or block the DUT antennas, thus compromising the integrity of the measurement.
BOX-TT supports a variety of filters for high speed data, video and power that enable you to control the devices inside without breaching the isolation of the octoBox.
The filters include gigabit Ethernet with POE (power over Ethernet), USB, HDMI and DC power. OX-TT also has a built-in waveguide filter for feeding fiber optic or other non-metallic cables.
Antenna kits, shelves and other accessories described in the octoBox Datasheet make octoBox easily adaptable for a variety of test configurations.
Wi-Fi (802.11a/b/g/p/n/ac), Bluetooth and cellular (GSM, UMTS, LTE, FDD, TD-LTE and LTE-Advanced) testing
Throughput vs. range vs. orientation measurements using the octoBox testbed
RX dynamic range testing
Antenna pattern measurement
Measurements under controlled signal and noise power settings
Video over Wi-Fi testing with monitor mount for viewing video quality
2 Ethernet + USB filters
High Gain antenna array
AC power entry module
IEC-320 C14 inlet connector 120/240VAC 50/60Hz with 5A 5x20mm fuse
80mm square axial fan; filters over inlet and outlet for isolation
19 SMA connectors, 1 F-connector
>80 dB with cables connected through filters
>20 dB from 1.3 to 40 GHz; >15 dB down to 700 MHz
Complete isolation from outside interference
20 dB of absorption
Built-in non-reflective turn table
Support for 700 MHz to 6 GHz frequency band of operation
Filtered gig Ethernet, USB, HDMI, fiber optic high speed connections Filtered AC and DC power
Peel & stick easy-to-replace gasketing to maintain isolation year after year