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OTA Test

Pre-compliance EMC Measurement

Test reports include:
Devices' EMC Analysis

Active Antenna Test: TIS (Total Isotropic Power)

Test reports include:
Devices' TIS results, UHIS, PIGS, NHPIGS, 3D Radiation Pattern

Active Antenna Test: TRP (Total Radiated Power)

Test reports include:
Devices' TRP results, EIRP, NHPRRP, Antenna Gain, 3D radiation Pattern

Passive Antenna Testing

Test reports include: Antenna Efficiency, Return Loss, VSWR, Antenna Gain and 3D Radiation Pattern

Bluetooth Passive Antenna Test Measurement on Existing Device


Green Antenna perform the following works:


1. Bluetooth Antenna fixture

2. 3D Antenna efficiency passive tests in in-house Anechoic Chamber  (7m x 3.6m x 3.6m, frequency range 400MHz - 6GHz).

3. Device's test report, Efficiency Results, 3D Antenna radiation Pattern, Return loss and VSWR plot.

4. Provide three prototype runs of passive antenna measurement and report.

Customized GSM Quaq-Band Antenna for Personal Emergency Tracking Device

1) Green Antenna carried out the Antenna feasibility study and Antenna Simulation
2) Antenna prototype samples for each design phase and prototype build
3) Passive and active antenna measurement for every design phase
4)  Devices OTA test measurement report for each design phase
5) Antennas for mass production 
 The final customized antenna design is submitted and approved by customer.

Customized PCB Wifi Antenna for SD Memory Card


The challenges faced in the design of such antenna are the limited antenna volume and the severe loading from nearby metallic structures. The design is optimized using simulation tool prior to prototype modeling and measurement. Antenna efficiency of 38% is achieved in actual operating environment when the memory card is placed inside a camera.


Green Antenna provided the follow services to customer


1) Wifi Antenna feasibility study and Simulation on SD Card

2) Antenna prototyping on SD card's PCB board

Movable RF Absorber Wall

Green Antenna built a movable wall for client.  The wall was built on a movable base, with microwave absorber material on surface.  Client may move the wall to appropriate location of their lab to carry out accurate test and measurement.

Antenna Optimization and Matching for New PCB Layout


Green Antenna performed:


1.  Pre-production Antenna optimization and matching on bare PCB.

2.  After-production Antenna validation, optimization and matching on loaded PCB


Final result is successfully presented and accepted by client. 

OTA Measurement For WiFi and Blue Tooth Combo Antenna

Green Antenna carried out the measurement for this Wifi plus Blue Tooth antenna, at Frequency Bands of:
WIFI 802.11bgn and Blue Tooth 2402Mhz to 2484Mhz.
WIFI 802.11an - 4900MHz to 5840MHz
Data of Antenna Efficiency and Antenna Rediation Pattern was collected and delivered to customer.


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