
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Do not make any changes or modifications to the equipment unless otherwise specified in the manual. If such changes or modifications should be made, you could be required to stop operation of the equipment. This transmitter must not be co ‐ located or operated in conjunction with any other antenna or transmitter except Canon accessories supplied or designated for this product. The available scientific evidence does not show that any health problems are associated with using low power wireless devices. There is no proof, however, that these low power wireless devices are absolutely safe. Low power Wireless devices emit low levels of radio frequency energy (RF) in the microwave range while being used. Whereas high levels of RF can produce health effects (by heating tissue), exposure of low ‐ level RF that does not produce heating effects causes no known adverse health effects. Many studies of low ‐ level RF exposures have not found any biological effects. Some studies have suggested that some biological effects might occur, but such findings have not been confirmed by additional research. This model has been tested and found to comply with FCC/IC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines and RSS ‐ 102 of the IC radio frequency (RF) Exposure rules. FCC/IC Notice for model: WM234 Following statement must be included in the user manual of host device. The end product must be labeled We don't prepare the User Manual for the module because it is not sold to the end user directly. Please refer to the Specification Sheet for more details about the module. For the module installation to the host equipment, please follow the interface specification (installation procedure). “Contains FCC ID: AZD234” and “Contains IC: 498J ‐ 234” This device complies with part 15 of FCC Rules and Industry Canada’s licence ‐ exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC/IC NOTICE Model: PC2286 (including WLAN Module Model WM234, FCC ID: AZD234/IC:498J ‐ 234) Model: PC2286 is the host device of WM234. Following statement must be included in the user manual of host device. *It is possible to put this notice on user manual if the host device is small to show this notice on.
WM234 Overall Appearance Photos外観写真TOP VIEW BOTTOM VIEW LEFT SIDE VIEW RIGHT SIDE VIEW FRONT VIEW BACK VIEW
WM234 Label Design and Locationラベルデザインおよび位置BOTTOM SIDE 14mm 10mm 22.5mm 11.5mm
WM234 Internal Photo s, Antenna Location 内部写真, アンテナ取り付け位置TOP VIEW INTERNAL VIEW(TOP) Antenna
Test report No. : 10847263S-A Page : 16 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 APPENDIX 2: SAR Measurement data Appendix 2-1: Evaluation procedure The SAR evaluation was performed with the following procedure: Step 1: Measurement of the E-field at a fixed location above the central position of flat phantom was used as a reference value for assessing the power drop. Step 2: The SAR distribution at the exposed side of head or body position was measured at a distance of each device from the inner surface of the shell. The area covered the entire dimension of the antenna of EUT and suitable horizontal grid spacing of EUT. Based on these data, the area of the maximum absorption was determined by splines interpolation. Step 3: Around this point found in the Step 2 (area scan), a volume of 30mm(X axis)30mm(Y axis)30mm(Z axis) (or more) was assessed by measuring 777 points (or more) under 3GHz. And for any secondary peaks found in the Step2 which are within 2dB of the SAR limit (1.6W/kg), this Step3 (Zoom scan) is repeated. On the basis of this data set, the spatial peak SAR value was evaluated under the following procedure: (1) The data at the surface were extrapolated, since the center of the dipoles is 1mm away from the tip of the probe and the distance between the surface and the lowest measuring point is 2mm. The extrapolation was based on a least square algorithm. A polynomial of the fourth order was calculated through the points in z-axes. This polynomial was then used to evaluate the points between the surface and the probe tip. (2) The maximum interpolated value was searched with a straightforward algorithm. Around this maximum the SAR values averaged over the spatial volumes (1g or 10g) were computed by the 3D-Spline interpolation algorithm. The 3D-Spline is composed of three one-dimensional splines with the “Not a knot"-condition (in x, y and z-directions). The volume was integrated with the trapezoidal-algorithm. One thousand points (101010) were interpolated to calculate the average. (3) All neighboring volumes were evaluated until no neighboring volume with a higher average value was found. Step 4: Re-measurement of the E-field at the same location as in Step 1 for the assessment of the power drift. Step 5: Repeat Step 1-Step 4 with other condition or/and setup of EUT. Test report No. : 10847263S-A Page : 17 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 Appendix 2-2: SAR measurement data Step 1: Worst SAR search of OFDM mode Plot 1-1: Setup: Top & touch (separation distance=0mm) / 11g(6Mbps), 2437 MHz EUT: Wireless module (in digital camera); Type: WM234 (camera:PC2286); Serial: 60128BD8FD1C (camera:78) Mode: 11g(6Mbps)(BPSK/OFDM)(UID 0, Frame Length in ms: 0; PAR: 0; PMF: 1); Frequency: 2437 MHz; Crest Factor: 1.0 Medium: M2450(150817); Medium parameters used: f = 2437 MHz; σ = 1.953 S/m; ε r = 50.86; ρ = 1000 kg/m 3 Measurement Standard: DASY5 (IEEE/IEC/ANSI C63.19-2007) DASY Configuration: -Probe: EX3DV4 - SN3907; ConvF(7.17, 7.17, 7.17); Calibrated: 2015/04/23; -DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) -Sensor-Surface: 2mm (Mechanical Surface Detection), z = 1.0, 31.0, 161.0 -Electronics: DAE4 Sn626; Calibrated: 2014/09/17 -Phantom: ELI v4.0; Type: QDOVA001BA; Serial: 1059; Phantom section: Flat Section portable(body-touch)(kdb248227v02)(wm234+pc2286)/b1,OFDM;top&touch(d0mm),11g(6m,set:13),m2437/ Area Scan:60x120,stp12 (6x11x1): Measurement grid: dx=12mm, dy=12mm; Maximum value of SAR (measured) = 1.19 W/kg Area Scan:60x120,stp12 (51x101x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm; Maximum value of SAR (interpolated) = 1.77 W/kg Z Scan:160,5 (1x1x33): Measurement grid: dx=20mm, dy=20mm, dz=5mm; Maximum value of SAR (measured) = 1.69 W/kg Zoom Scan:30x30x30,stp5 (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm; Reference Value = 30.24 V/m; Power Drift = -0.12 dB; Maximum value of SAR (measured) = 1.71 W/kg; Peak SAR (extrapolated) = 2.68 W/kg SAR(1 g) = 0.975 W/kg; SAR(10 g) = 0.339 W/kg Remarks: *. Date tested: 2015/08/17; Tested by: Hiroshi Naka; Tested place:No.7 shielded room, *. liquid depth: 152 mm; Position: distance of EUT to phantom: 0 mm (2 mm to liquid); ambient: 23.5 1 deg.C. / 45 10 %RH, *. liquid temperature: 22.6(start)/22.6(end)/22.5(in check) deg.C.; *.White cubic: zoom scan area, Red cubic: big=SAR(10g )/small=SAR(1g) Plot 1-2: Channel (Reported SAR: >0.8w/kg): Top & touch (separation distance=0mm) / 11g(6Mbps), 2412 MHz EUT: Wireless module (in digital camera); Type: WM234 (camera:PC2286); Serial: 60128BD8FD1C (camera:78) Mode: 11g(6Mbps)(BPSK/OFDM)(UID 0, Frame Length in ms: 0; PAR: 0; PMF: 1); Frequency: 2412 MHz; Crest Factor: 1.0 Medium: M2450(150817); Medium parameters used: f = 2412 MHz; σ = 1.921 S/m; ε r = 50.98; ρ = 1000 kg/m 3 Measurement Standard: DASY5 (IEEE/IEC/ANSI C63.19-2007) DASY Configuration: -Probe: EX3DV4 - SN3907; ConvF(7.17, 7.17, 7.17); Calibrated: 2015/04/23; -DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) -Sensor-Surface: 2mm (Mechanical Surface Detection), z = 1.0, 31.0, 161.0 -Electronics: DAE4 Sn626; Calibrated: 2014/09/17 -Phantom: ELI v4.0; Type: QDOVA001BA; Serial: 1059; Phantom section: Flat Section portable(body-touch)(kdb248227v02)(wm234+pc2286)/b2,ch(>0.8(rep));top&touch(d0mm),11g(6m,set:13),m2412/ Area Scan:60x96,stp12 (6x9x1): Measurement grid: dx=12mm, dy=12mm; Maximum value of SAR (measured) = 1.02 W/kg Area Scan:60x96,stp12 (51x81x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm; Maximum value of SAR (interpolated) = 1.59 W/kg Z Scan:160,5 (1x1x33): Measurement grid: dx=20mm, dy=20mm, dz=5mm; Maximum value of SAR (measured) = 1.43 W/kg Zoom Scan:30x30x30,stp5 (7x7x7)/Cube 0: Measureme…
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Test report No. : 10847263S-A Page : 1 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 SAR TEST REPORT Test Report No.: 10847263S-A Applicant : Canon Inc. Type of Equipment : Wireless Module Model No. : WM234 (*. Installed into the limited platform) FCC ID : AZD234 Test Standard : FCC 47CFR §2.1093 Test Result : Complied Highest Reported SAR(1g) Value Platform type Platform model Remarks 1.35 W/kg (Measured: 0.941 W/kg) Digital camera PC2286 (DTS) 2462MHz, IEEE 802.11b (1Mbps, DBPSK/DSSS) (output power: 12.44 dBm). *. Highest reported SAR (1g) across this platform and exposure conditions (body-touch) = "1.35 W/kg” = grant listing. *. Since highest reported SAR (1g) on a platform for WM234 (EUT) which obtained in accordance with KDB447498 (v05) was > 1.2 W/kg, this EUT is limited to operate internally within the dedicated host configurations tested for compliance. 1. This test report shall not be reproduced in full or partial, without the written approval of UL Japan, Inc. 2. The results in this report apply only to the sample tested. 3. This sample tested is in compliance with the limits of the above regulation. 4. The test results in this test report are traceable to the national or international standards. 5. This test report must not be used by the customer to claim product certification, approval, or endorsement by any agency of the Federal Government. 6. The opinions and the interpretations to the result of the description in this report are outside scopes where UL Japan has been accredited. 7. This test report covers Radio technical requirements. It does not cover administrative issues such as Manual or non-Radio test related Requirements. (if applicable) Date of test: August17, 2015 Test engineer: Hiroshi Naka Engineer, Consumer Technology Division Approved by: Toyokazu Imamura Leader, Consumer Technology Division The testing in which "Non-accreditation" is displayed is outside the accreditation scopes in UL Japan. There is no testing item of "Non-accreditation". RTL02610 13-EM-F0429 Test report No. : 10847263S-A Page : 2 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 REVISION HISTORY Revision Test report No.Date Page revisedContents Original 10847263S-AAugust 21, 2015- - *. By issue of new revision report, the report of an old revision becomes invalid. CONTENTS PAGE REVISION HISTORY ................................................................................................................................................... 2 CONTENTS .................................................................................................................................................... 2 SECTION 1: Customer information ................................................................................... 3 SECTION 2: Equipment under test (EUT) ......................................................................... 3 2.1 Identification of EUT .......................................................................................................... 3 2.2 Product Description ............................................................................................................. 3 2.3 Tx output power specification (antenna port terminal conducted) ...................................... 4 2.4 Maximum output power which may possible ...................................................................... 4 SECTION 3: Test specification, procedures and results ................................................... 5 3.1 Test specification ................................................................................................................. 5 3.2 Exposure limit ..................................................................................................................... 5 3.3 Procedure and result ............................................................................................................ 5 3.4 Test location ........................................................................................................................ 6 3.5 Confirmation before SAR testing ........................................................................................ 6 3.6 Confirmation after SAR testing ........................................................................................... 6 3.7 Test setup of EUT and SAR measurement procedure ......................................................... 7 SECTION 4: Operation of EUT during testing .................................................................. 8 SECTION 5: Uncertainty assessment (SAR measurement) .............................................. 8 SECTION 6: Confirmation before testing .......................................................................... 9 6.1 SAR reference power measurement (antenna terminal conducted average power of EUT) ................ 9 6.2 Comparison of power of EMC sample........................................................................................ 9 SECTION 7: Measurement results ...................................................................................... 10 7.1 SAR test results ................................................................................................................... 10 Contents of appendixes APPENDIX 1: Photographs of test setup .............................................................................. 12 Appendix 1-1 Photograph of Platform and antenna position ..................................................................... 12 Appendix 1-2 EUT and support equipment ................................................................................................ 13 Appendix 1-3 Photograph of test setup ..............…
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Test report No. : 10407961S-J Page : 1 of 104 Issued date : August 31, 2015 Revised date : September 24, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 RADIO TEST REPORT Test Report No.: 10407961S-J Applicant : Canon Inc. Type of Equipment : Wireless Module Model No. : WM234 FCC ID : AZD234 Test regulation : FCC Part15 Subpart C: 2015 Test result : Complied 1. This test report shall not be reproduced in full or partial, without the written approval of UL Japan, Inc. 2. The results in this report apply only to the sample tested. 3. This sample tested is in compliance with the limits of the above regulation. 4. The test results in this test report are traceable to the national or international standards. 5. This test report must not be used by the customer to claim product certification, approval, or endorsement by any agency of the Federal Government. 6. The opinions and the interpretations to the result of the description in this report are outside scopes where UL Japan has been accredited. 7. This test report covers Radio technical requirements. It does not cover administrative issues such as Manual or non-Radio test related Requirements. (if applicable) Date of test: August 19, 2014 to May 29, 2015 Representative test engineer: Shinichi Takano Engineer Consumer Technology Division Approved by : Toyokazu Imamura Leader Consumer Technology Division RTL02610 The testing in which "Non-accreditation" is displayed is outside the accreditation scopes in UL Japan. There is no testing item of "Non-accreditation". 13-EM-F0429 Test report No. : 10407961S-J Page : 2 of 104 Issued date : August 31, 2015 Revised date : September 24, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 REVISION HISTORY Original Test Report No.: 10407961S-J Revision Test report No. Date Page revised Contents - (Original) 10407961S-J August 31, 2015 - - 1 10407961S-J September 24, 20158 Correction of *7) 23, 25, 27, 29, 31, 33-36, 38-40, 42-44, 46-48, 50-52, 54-56 Correction of description Test report No. : 10407961S-J Page : 3 of 104 Issued date : August 31, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 Contents Page SECTION 1: Customer information ........................................................................................ 4 SECTION 2: Equipment under test (E.U.T.) .......................................................................... 4 SECTION 3: Test specification, procedures & results ........................................................... 5 SECTION 4: Operation of E.U.T. during testing .................................................................... 8 SECTION 5: Conducted emission ............................................................................................ 9 SECTION 6: 6dB bandwidth & Occupied bandwidth (99%) .............................................. 10 SECTION 7: Maximum peak conducted output power ....................................................... 10 SECTION 8: Out of band emissions (Antenna port conducted) ......................................... 10 SECTION 9: Peak power density ........................................................................................... 10 SECTION 10: Radiated emission ........................................................................................... 11 Contents of APPENDIXES ....................................................................................................... 13 APPENDIX 1: Data of Radio tests .......................................................................................... 14 APPENDIX 2: Test instruments ........................................................................................... 100 APPENDIX 3: Photographs of test setup ............................................................................. 102 Test report No. : 10407961S-J Page : 4 of 104 Issued date : August 31, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 SECTION 1: Customer information Company Name : Canon Inc. Address : 30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo, 146-8501 Japan Telephone Number : +81-3-5482-8070 Facsimile Number : +81-3-3757-8431 Contact Person : Hironobu Saida SECTION 2: Equipment under test (E.U.T.) 2.1 Identification of E.U.T. Type of Equipment : Wireless Module Model No. : WM234 Serial No. : Refer to 4.2 Rating : DC 3.3 V, DC 1.8 V Receipt Date of Sample : July 25, 2014 Country of Mass-production : Philippines Condition of EUT : Engineering prototype (Not for Sale: This sample is equivalent to mass-produced items.) Modification of EUT : No modification by the test lab. 2.2 Product description Model: WM234 (referred to as the EUT in this report) is a Wireless Module. Clock frequency(ies) in the system : 38.4 MHz Radio specification: Equipment type : Transceiver Frequency of operation : 2412-2462 MHz Bandwidth : 20 MHz Channel spacing : 5 MHz Type of modulation : DSSS (IEEE 802.11b), OFDM (IEEE 802.11g/n) Antenna type : Monopole type chip Antenna connector type : None Antenna gain : -3.10 dBi (2442 MHz) ITU code : D1D, G1D Operation temperature range : -20 deg.C to +85 deg.C FCC 15.31 (e) / 212 The host device provides stable voltage (DC 3.3 V and DC 1.8 V) constantly to the EUT regardless of input voltage. Therefore, this EUT complies with the requirement. FCC 15.203 / 212 The antenna is not removable from the EUT. Therefore, the equipment complies with the requirement. Test report No. : 10407961S-J Page : 5 of 104 Issued date : August 31, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaok…
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Test report No. : 10847263S-A Page : 12 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 APPENDIX 1: Photographs of EUT and SAR test setup Appendix 1-1: Photograph of Platform: Digital camera (model: PC2286) and antenna position Antenna location Top Right Bottom Rear (LCD) Front (Lens) WM234 (*.It was mounted in the inside of a platform.) Antenna Left Wireless module (WM234) and antenna Rear Front Antenna Antenna Test report No. : 10847263S-A Page : 13 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 Appendix 1-2: EUT and support equipment Description of EUT and Support Equipment No. Item Model number Serial number ManufacturerRemark A Wireless Module WM234 60128BD8FD1C Canon EUT. B Digital Camera PC2286 78 Canon Platform. C1 Battery Pack for Digital camera / DC3.6V, 680mAh, 2.5Wh (Li-ion) NB-11L 01 Canon Accessory of PC2286, Battery No. #1 C2 02 Accessory of PC2286, Battery No. #2 C3 03 Accessory of PC2286, Battery No. #3 C4 04 Accessory of PC2286, Battery No. #4 D1 Battery Charger CB-2LF 01 Canon Accessory of PC2286 D2 02 *. The following equipment was used for the antenna terminal port conducted power measurement. E Digital Camera (Host) PC2052 821060038903 Canon Support equipment. (*.Ribbon cable=150mm) - DC Coupler DR-90 - Canon Support equipment. With DC cable: 0.15m, Unshielded. - AC Adaptor CA-DC10N - Canon Support equipment. With DC cable: 1.9m, Unshielded. With AC cable: 1.9m, Unshielded. B: Platform (Digital camera) C1 C2 A: EUT (WM234) *.It was mounted in the inside of a platform. SAR test D1 C3 D2 C4 Antenna terminal port conducted power measurement A: EUT (WM234) E: Host Metallic chassis Test report No. : 10847263S-A Page : 14 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 Appendix 1-3: Photograph of test setup Position Setup photographs Top (Touch) Top-front (Touch) Top-rear (Touch) Test report No. : 10847263S-A Page : 15 of 48 Issued date : August 21, 2015 FCC ID : AZD234 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone: +81 463 50 6400 / Facsimile: +81 463 50 6401 Appendix 1-3: Photograph of test setup (cont'd) Position Setup photographs Rear (Touch) Front (Touch) Right (Touch) Left (Touch) Bottom (Touch) Top (Touch) (*.Repeated) (Plot 3-1)
UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 APPENDIX 3: Photographs of test setup Conducted emission Test Report No 10407961S-J 102 of 104 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 Radiated emission Front Rear (below 1GHz) Rear (above 1GHz) Test Report No 10407961S-J 103 of 104 UL Japan, Inc. Shonan EMC Lab. 1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN Telephone : +81 463 50 6400 Facsimile : +81 463 50 6401 Pre-check of the worst position X-axis Y-axis Z-axis END OF REPORT Test Report No 10407961S-J 104 of 104
1-22-3 Megumigaoka, Hiratsuka-shi · Kanagawa-ken · Japan
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.41 GHz - 2.46 GHz | 208.00 mW |
Digital Camera
Equipment Class
DTS - Digital Transmission SystemDigital Camera
Equipment Class
DTS - Digital Transmission System
Wireless Module
Equipment Class
DTS - Digital Transmission SystemWireless Module
Equipment Class
DTS - Digital Transmission SystemWireless Microphone
Equipment Class
DTS - Digital Transmission System