Ambit Microsystems (Shanghai) LTD. No 1925, Nanle Road Songjiang Export Processing Zone Shanghai, China Tel :86-21-61206688 Ext:22165 FAX:86-21-57749230 ! ! User Manual of J20H078 Project Name Approval Sheet Rev. Foxconn Part No. Prepared by May Sun WiFimodule module 802.11bgn wireless 1.0 J20H078.
! CONTENTS 1 REVISION HISTORY /////////////////////////////////////////////////// ///////////////// 4 //////////////////////////////// //////////////////////////////////// //////////////////////////////// 2 MANUFACTURING INFORMATION /////////////////////////////////////////////////// //// 5 //////////////////////////////// /////////////////////// 3 PRODUCT OVERVIEW /////////////////////////////////////////////////// /////////////// 6 //////////////////////////////// //////////////////////////////////
! 1 Revision History ! Date Document revision 2013/07/09 1.
! 2 Manufacturing Information Manufacture Country: Made in China Manufacturer: Ambit Microsystems (Shanghai) LTD.
! 3 Product Overview The J20H078.00 802.11b/g/n module provides wireless modem functionality utilizing direct sequence spread spectrum and OFDM/CCK technology. This module is based on MTK MT7601U solution .It fully complies with IEEE 802.11n and IEEE 802.11 b/g standards, offering feature-rich wireless connectivity at high standards, and delivering reliable, cost-effective throughput from an extended distance.
! 4 Module Hardware Overview 4.1 Block Diagram The general HW architecture is shown below Figure: . Module Block Diagram 4.2 Features ♦ ♦ ♦ ♦ ♦ IEEE802.11b/g/n (1X1) based on MTK MT7601U solution. USB 2.0 Interface, High and Full Speeds supported. Module is powered by the host with a 5.0V +/- 5% supply. External PCB printed antennas. 2 layers through hole PCB design with halogen free FR4 material 4.
! Pin Number 1 Symbol Name GND Status Pin definition Ground 2 3 DP DM I/O I/O USB positive data USB negative data 4 5 GND UV+ P Ground USB +5V power input S1 S2 GND GND Ground Ground 8!
! 5 Electrical Specification 5.1 Absolute maximum rating ! 5.2 Element Symbol DC supply voltage UV+ Min Typ Max Unit 5.0 6.5 (V) Recommended operating rating ! 5.3 Element Symbol Min Typ Max Unit DC supply voltage UV+ 4.5 5.0 5.5 (V) DC Characteristics Symbol UV+ Parameter Supply voltage Min 4.5 Typ. 5.0 Max 5.
! 6 RF Specification 6.1 IEEE802.11b!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Items Specification Mode Channel Data rate TX Characteristics 1. Power Levels (Calibrated) 1) Target Power@1Mbps 2) Target Power@2Mbps 3) Target Power@5.5Mbps 4) Target Power@11Mbps 2. Spectrum Mask @15dBm 1) fc-33MHz f fc-22MHz 2) fc-22MHz f fc-11MHz 3) fc+11MHz f fc+22MHz 4) fc+22MHz f fc+33MHz 3. Frequency Error 4 Modulation Accuracy(EVM)@15dBm 1) 1Mbps 2) 2Mbps 3) 5.
! 6.2 IEEE802.11g Items Contents Specification Mode Channel Data rate TX Characteristics 1. Power Levels (Calibrated) 1) Target Power@6Mbps 2) Target Power@9Mbps 3) Target Power@12Mbps 4) Target Power@18Mbps 5) Target Power@24Mbps 6) Target Power@36Mbps 7) Target Power@48Mbps 8) Target Power@54Mbps 2.
! 6.3 802.11n HT20 Items Contents Specification Mode Channel Data rate (MCS index) TX Characteristics 1. Power Levels (Calibrated) 1) Target Power@MCS0 2) Target Power@ MCS1 3) Target Power@ MCS2 4) Target Power@ MCS3 5) Target Power@ MCS4 6) Target Power@ MCS5 7) Target Power@ MCS6 8) Target Power@ MCS7 2. Spectrum Mask @15dBm 1) at fc +/- 11MHz 2) at fc +/- 20MHz 3) at fc > +/-30MHz 3. Modulation Accuracy(EVM)@15dBm 1) MCS0 2) MCS1 3) MCS2 4) MCS3 5) MCS4 6) MCS5 7) MCS6 8) MCS7 4.
! 7 Mechanical Specifications 7.1 Shielding Cover Dimension Dimension (LxWxH): 21.29mm x 18.66mm x 2.0mm Thickness: 0.
! 7.2 PCB Assembly Dimension Dimension (W x Lx H ): 51.8mmx20mmx0.9mm PCB: 2 layer HF-FR4 design 7.3 Mount Position of Materials All materials should be populated on a side.
! Industry Canada statement: This device complies with RSS-210 of the Industry Canada Rules. 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. Ce dispositif est conforme à la norme CNR-210 d'Industrie Canada applicable aux appareils radio exempts de licence.
! end product must be labeled in a visible area with the following: “Contains IC: 2878D-J20H078 2878DJ20H064”. Plaque signalétique du produit final Ce module émetteur est autorisé uniquement pour une utilisation dans un dispositif où l'antenne peut être installée de telle sorte qu'une distance de 20cm peut être maintenue entre l'antenne et les utilisateurs. Le produit final doit être étiqueté dans un endroit visible avec l'inscription suivante: "Contient des IC: 2878D-J20H078 2878D- J20H064".
! and users, and 2) The transmitter module may not be co-located with any other transmitter or antenna. As long as 2 conditions above are met, further transmitter test will not be required.
! National Authorities were informed according to Article 6.4 of Frequency Notification. & .(
