Response 2

FCC ID: RI7GE863L

Cover Letter(s)

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FCCID_892533

HERMO N LABO RATORIES November 18, 2007 American TCB 6731 Whittier Ave Suite C110 McLean, VA 22101 Attn: Mr. T. Johnson, Examining Engineer RE: your e-mail dated November 15, 2007; Visonic Ltd. FCC ID:RI7GE863L, ATCB005471 Dear Mr. Johnson, Please find below the answers to your questions. 1) When the GSM module receives a signal from the base station it starts to transmit or in 800 MHz band or in 1900 MHz band. No simultaneous transmission by GSM module is possible. 2) This information was not requested in your previous comments, only for 800 MHz band, which was provided. 3) As we stated in our last response we have repeated the output power tests with both antennas and conducted at RF connector. The conducted output power is within 1.5 dB of the grant power which may be expected to be a bit lower after integration of the module into the final product. The radiated power is lower than expected but this is the product. We checked twice the output power adjustment to the maximum and verified it by conducted measurements. 4) Please see above. This is the product approved by FCC and purchased at the market. Sincerely, Marina Cherniavsky, certification engineer Hermon Laboratories


Document Created: 2007-11-19 14:55:48
Document Modified: 2007-11-19 14:55:48
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