SQT-RIPEX2-4ARadio modem and router

         
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Side 1 of 6, Top Side 2 of 6 Side 3 of 6 Side 4 of 6 Side 5 of 6 Side 6 of 6 Top right view ***

S/N: 1901665515 www.racom.eu RACOM s.r.o., Mirova 1283 592 31 Nove Mesto na Morave Made in Czech Republic Type:RipEX2-4 Code:RipEX2-4A-N-X TX,RX freq: 400–470 MHz RF Power: 10W Power:10-30V max. 6A FCC ID:SQT-RIPEX2-4A IC:24993-RIPEX24A

Label Location ***

RF Board, Top RF Board, Bottom Logic Board, Top Logic board bottom ***

Page 1 of 4 Maximum Permissible Exposure (MPE) Evaluation according to the OET Bulletin 65 (Edition 97-01) Evaluated equipment: The RipEX2 radio modem for data transmission in the 400 – 470 MHz frequency range Developed: Ing. Michal Voráček Date: 10.9.2019 Pages: 4 .... Page 2 of 4 Evaluated equipment The RipEX2 radio modem is designed for bi-directional data transfer in a radio frequency channel assigned from the specified frequency range. When transmitting, it generates an angle modulated, continuous, constant-envelope radio-frequency signal on the output (antenna) connector. The transmitted signal spectral width is limited to a single channel and never exceeds the respective channel spacing, which is 200 or 150 or 100 or 50 or 25 kHz or 12,5 kHz or 6,25 kHz. The maximum nominal output radio-frequency (RF) power of the RipEX2 radio modem is 10 Watts. The output RF power variation in extreme conditions is guaranteed by the manufacturer to stay within -3,0 dB to +2.0 dB limits. The RipEX2 radio modem main specifications for a frequency range around 400 MHz are in Table 1. Table 1 – RipEX2 radio modem main technical parameters Parameter Value Frequency range from 400 MHz to 470 MHz Channel spacing 6,25 / 12,5 / 25 / 50 / 100 / 150 /200 kHz Channel setting method software Supply voltage (nominal) 13,8 V Supply voltage range 10 V to 30 V Operating temperature range -40 °C to +70 °C Current consumption: Reception: Transmission 1W: Transmission 10W: 580 mA 1,1 A 3,6 A Configurable RF output power range from 0,1 W to 10 W Antenna connector TNC RF output impedance 50 The RipEX2 radio modem is connected to the antenna by a coaxial cable. Since the antenna may be connected by a very short cable, the cable loss shall be considered negligible in the calculation. The main parameters of recommended antennas are listed in Table 2. These are parameters specified by the respective manufacturers. The antennas listed in Table 2 are supplied with the RipEX2 radio modem upon request. Page 3 of 4 1 MPE Calculations According to the OET Bulletin 65 (Edition 97-01) R= √ P.G 4.π.S Where: S=Power density (in appropriate units, e.g. mW/cm2) P=Power input to antenna (in appropriate units, e.g., mW) G=Power gain of the antenna in the direction of interest relative to an isotropic radiator R=Distance to the centre of radiation of the antenna (appropriate units, e.g., cm) Tx Frequency = 400 MHz The exposure at the lowest frequency of the operating range make the worst case, since the limits given in §1.1310 of the FCC Rules increase with frequency (in the frequency range applicable to the evaluated equipment) whereas the radiation from RipEX2 radio modem will be constant. Maximum peak power = 42.0 (dBm) The maximum peak power is calculated as the nominal maximum power increased by the margin allowed by the applicable FCC standard (+2dB) Antenna gain = 2.15 (dBi) The antenna gain of the half-wave dipole is considered as the worst-case scenario. The areas of exposure never lie in the direction of the main lobe of the transmitting antenna. In fact, the higher the gain of the antenna is, the lower the radiation in the directions relevant for exposure evaluation will be. S = 368/1500 = 0.245 [mW/cm2] Page 4 of 4 The FCC limit for exposure of general population / uncontrolled exposure at 400 MHz P = 15850 [mW] The numerical value of maximum TX power G = 1.64 The numerical value of half-wave dipole gain The worst case scenario also assumes 100% duty cycle. Though the equipment assessed allows for that, it never happens in reality thanks to the packet-oriented transmission environment. Calculated minimum separation distance from antenna, where the limit for general public / uncontrolled exposure is met, is: Ru = 92 cm The distance, where the limit for occupation / controlled exposure is met, is: Rc = 41 cm The distance, where the limits are met for typical directional and omni directional antennas typically used with RipEX2 radio modem. For directional antennas is safe distance validate in direction side of main beam, where is maximum energy emitted by antenna. Table #1 – The distance where the FCC limits are met for typical antennas Conclusion: It is safe to assume that members of general public will never be present in the distance Ru (or lower) to a fixed installation of antenna of the evaluated equipment. Equally it is safe to assume that e.g. a member of staff performing mast maintenance will spend only negligible fractions of time in the Rc (or lower) distance to the transmitting antenna (the Rc distance actually corresponds with the physical size of the antenna itself). Consequently, in our opinion, the operation of the evaluated equipment would not make a significant environmental effect. General Population/Uncontrolled Exposure (cm) Occupational/Controlled Exposure (cm) OV400.1single dipole4.62.9121.854.5 OV400.2stacked double dipole7.65.8172.076.9 SA400.33 elemet directional Yagi7.65.8172.076.9 SA400.55 elemet directional Yagi8.77.4195.287.3 SA400.99 elemet directional Yagi12.517.8302.4135.2 400 - 470 MHz/ 70 cm band - 10 Watt RF power Antenna code Antenna description Gain G (dBi) Gain G (-) Distance where the FCC limits is met for

PTI Project 21110-15 RACOM s.r.o. RipEX2-4 Data Transceiver 400.000 to 470.000 MHz Wireless Certification Report FCC Part 90 and IC RSS-119 Prepared for: RACOM s.r.o. Mirova cp. 1283 592 31 Nove Mesto na Morave Czech Republic By Professional Testing (EMI), Inc. 1601 North A.W. Grimes Blvd., Suite B Round Rock, Texas 78665 30 Oct 2019 Reviewed by Written by Shakil Murad Lead EMC Engineer Eric Lifsey EMC Engineer RACOM s.r.o. – RipEX2-4 21110-15 Professional Testing (EMI) Inc. Page 2 of 68 Revision History Revision Number Description Date 03 DRAFT Draft for review. 15 Nov 2019 03 Technical Review 11/15/19 02 Final Additional statements added regarding applicable bands. 10 Dec 2019 Corrections: None. RACOM s.r.o. – RipEX2-4 21110-15 Professional Testing (EMI) Inc. Page 3 of 68 Table of Contents Revision History ............................................................................................................................................................ 2 Certificate of Compliance ............................................................................................................................................. 5 1.0 Introduction .......................................................................................................................................................... 6 1.1 Scope ............................................................................................................................................................... 6 1.2 EUT Description ............................................................................................................................................. 6 1.3 EUT Operation ................................................................................................................................................ 6 1.4 Modifications to Equipment ............................................................................................................................ 7 1.5 Test Site .......................................................................................................................................................... 7 1.6 Applicable Documents .................................................................................................................................... 7 1.7 Test Setup Diagram ......................................................................................................................................... 7 2.0 Conducted Output Power ..................................................................................................................................... 9 2.1 Procedure ........................................................................................................................................................ 9 2.2 Criteria ............................................................................................................................................................ 9 2.3 Results ............................................................................................................................................................. 9 2.4 Calculated Attenuation and Spurious Limits Beyond Authorized Bandwidth ................................................ 9 3.0 Emission Mask ................................................................................................................................................... 10 3.1 Procedure ...................................................................................................................................................... 10 3.2 Criteria .......................................................................................................................................................... 10 3.3 Results ........................................................................................................................................................... 10 3.3.1 Mask C ................................................................................................................................................ 11 3.3.2 Mask D ................................................................................................................................................ 17 3.3.3 Mask E ................................................................................................................................................. 23 4.0 Spurious Emissions at Antenna Terminals ........................................................................................................ 29 4.1 Procedure ...................................................................................................................................................... 29 4.2 Criteria .......................................................................................................................................................... 29 4.3 Results ........................................................................................................................................................... 29 4.3.1 Transmit Mode, Bottom Channel ........................................................................................................ 30 4.3.2 Transmit Mode, Middle Channel ......................................................................................................... 30 4.3.3 Transmit Mode, Top Channel .............................................................................................................. 30 5.0 Field Strength of Radiated Spurious Emissions ................................................................................................. 31 5.1 Procedure ...................................................................................................................................................... 31 5.2 Criteria .................................................................................................................................…

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21110 Test Setup Photos Page 1 of 4 Radiated Emissions, Front Radiated Emissions, Back 21110 Test Setup Photos Page 2 of 4 Conducted Antenna Port Measurements Power, Bandwidth, Mask, Spurious Transmit Transient Frequency Behaviour 21110 Test Setup Photos Page 3 of 4 Frequency Stability, Chamber Frequency Stability, EUT *** 21110 Test Setup Photos Page 4 of 4