The ear muff is designed to protect from the hazard harmful noisy. Comes with soft foam cushions which provides comfort seal to the skin and will not lead to allergic reaction. Lightweight and suitable for industrial workers who need to wear ear muff for a long time per day. Recommended for landscaping, construction, shooting and power equipment operators. Features low cost but good performance.
Additional foam pad for headband also available (model no.: SM-309A).
Foam cushions replaceable.
Pass : CE EN352-1, ANSI S3.19
SNR: 27.5dB NRR: 21dB
CUL-01 Ultrasonic Speaker has 33 ultrasonic emitters to avoid unauthorized cell phones to
record crucial and confidential information during meetings. It has unattractive appearance and
is suitable to be placed in a room or can be portable to work because of its built-in battery inside.
The best interfering microphone performance when CUL-01 emitters exactly face a phone
speaker because the emitters affects the microphone directionally.
Specification
Ultrasonic emitters:33 pcs
Dimension: 315mm 57mm 55mm
Operation time with built-in battery:2.5hrs
Remote control to turn on /off the device
GPS/GNSS/GALILEO/SBAS Module
The Ct-G354 utilized SiRFstarV and features Quad-GNSS for tracking GPS, GLONASS, BDS and Galileo satellites. The product family delivers highly accurate continuous location, advanced power management and high interference immunity. These continue to push the envelope of performance in sensitivity, TTFF and urban canyon availability and accuracy. With a built-in DSP and extremely low power consumption, the family can get fast location fixes for geo-tagging images or videos, asset tracking and wearable applications.
Performance
GPS, GLONASS, Galileo and SBAS reception for high GNSS availability and accuracy
High sensitivity navigation engine (PVT) tracks as low as GPS:-165dBm,GLONASS:- 161dBm
52 track verification channels
SBAS (WAAS or EGNOS,MSAS)
Active Jammer Remover, removes in-band jammers up to 80 dB-Hz
Tracks up to 8 CW jammers
Multimode A-GPS (Autonomous, MS-Based, and MS-Assisted) �?�¢?? Need operator support
Embedded CGEE / SGEE (With back-end server support) speed up TTFF a lot and makes cold start time to be around 20+ seconds.
SiRFGeoRecovTM Reverse EE makes positioning process being done under power saving mode.
Reacquisition Time: 0.1 second
RF Metal Shield for best performance in noisy environments
Hardware and Software
Based on the high performance features of SiRFstarV low power single core logic.
Adaptive micropower controller
Only 50 to 500�¯�¿�½?�?�¼A maintains hot start capability (core logic)
< 10mW required for TricklePower mode
RoHS compliant (lead-free)
Advanced navigation features
Smart sensor supported by interface
External interrupt input for context change detection
MMCX RF Connector
Dimension : 3
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