ANSI C63.4 Accredited Testing Labs in United States
12 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ANSI C63.4 testing. Most frequently tested analytes via this method in United States: Antenna Factor, Emissions, Impedance. Accredited providers include SGS Taiwan, Hermon Laboratories Ltd., Fischer Custom Communications, SGS-CSTC Standards Technical Services (Shanghai) Co.,, Shenzhen Acote Technology. Sites located in Shenzhen, Taoyuan, Binyamina, Torrance, CA, Xinqiao, Songjiang, Shanghai.
Accredited Labs
(A2LA Cert. No. 7501.01) Revised 03/10/2026 Page 5 of 6 No. 12, Ln. 116, Wu Kung 3rd Rd., New Taipei Industrial Park, Wuku District, New Taipei City, Republic of China, Taiwan 24803 Tes
(A2LA Cert. No. 0839.03) Revised 10/01/2025 Page 10 of 34 Parameter/Range Frequency CMC2 () Comments5 Horn Antennas – Antenna Factor, (Horizontal & Vertical Polarization) 1 m, 3 m
(A2LA Cert. No. 2393.01) 03/11/2026 Page 3 of 4 Parameter/Range Frequency CMC2, 3 (±) Comments CDN – Impedance (Ω) Coupling Factor (dB) Insertion Loss (dB) 9 kHz to 300 MHz 9 kHz to 300 MHz
(A2LA Cert. No. 6332.01) REVISED 01/15/2026 Page 1 of 23 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 SGS-CSTC STANDARDS TECHNICAL SERVICES (SHANGHAI) CO., LTD No. 588 West Jindu Road, Xinqiao, Songjiang, Shanghai, 201612, Peop
(A2LA Cert. No. 7697.01) 01/19/2026 Page 1 of 6 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 SHENZHEN ACOTE TECHNOLOGY CO. LTD. Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road Xinqiao Community, Xinqiao Stre
(A2LA Cert. No. 6476.01) 09/03/2025 Page 1 of 5 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 UNDERWRITERS LABORATORIES TAIWAN CO., LTD. Buildings A, B, and E, No. 372-7, Sec. 4, Zhongxing Rd. Zhudong Township, Hsinchu Coun
(A2LA Cert. No. 1207.01) 11/19/2024 Page 5 of 9 Parameter/Range Frequency CMC2 () Comments Antenna Symmetry, Balance (0 to 70) dB/m (30 to 1000) MHz (30 to 300) MHz 20 MHz to 2 GHz (2 to 6) GHz
(A2LA Cert. No. 2117.01) 10/30/2025 Page 17 of 21 Parameter/Range Frequency CMC2, 4, 5 () Comments LISN – Insertion Loss Impedance Phase Isolation (0 to 110) dB 5 Hz to 3 GHz (Up to 5) kΩ
(A2LA Certificate No. 0751.05) Revised 03/02/2026 Page 1 of 10 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 UL VERIFICATION SERVICES INC. 47173 Benicia Street Fremont, CA 94538 http://www.ul.com Mr. Jay Kogoma (Authorized Representat
(A2LA Certificate No. 5768.01) Revised 01/22/2026 Page 1 of 19 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 WORLD STANDARDIZATION CERTIFICATION & TESTING GROUP (SHENZHEN
(A2LA Cert. No. 2764.01) REVISED 03/11/2026 Page 1 of 12 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 DEKRA CERTIFICATION, INC. 405 Glenn Drive, Suite 12 Sterli
(A2LA Cert. No. 7375.01) Revised 02/03/2026 Page 19 of 26 Test Technology: Test Method(s): UL 61058-1-2; IEC 61058-1-2; EN 61058-1-2; BS EN 61058-1-2; AS/NZS 61058.1.2; CAN/CSA-C22.2 NO. 61058-1-2 Switches for appliances - Par
Top analytes for ANSI C63.4 in United States
- Antenna Factor (1)
- Emissions (1)
- Impedance (1)
- Insertion Loss (1)
About ISO/IEC 17025 in United States
American Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.
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