User Manual

FCC ID: 2AF6B-RAK2247

Users Manual

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FCCID_4137061

User Manual for WisLink-LoRa Concentrator Module Mini PCI-e Edition RAK2247 SPI or USB Version V1.0 | December 2018 www.RAKwireless.com Visit our website for more document. 16 PAGES

RAK2247 Table of Contents 1 Overview..................................................................................................................................................... 3 1.1 Introduction......................................................................................................................................... 3 1.2 Package Contents............................................................................................................................. 3 2 LoRa Gateway Module RAK2247......................................................................................................... 4 2.1 Overview............................................................................................................................................. 4 g 2.2 Operating Frequencies..................................................................................................................... 5 2.3 Pin Definition...................................................................................................................................... 5 2.4 Power Supply..................................................................................................................................... 7 2.5 SPI Interface....................................................................................................................................... 7 2.6 USB Interface..................................................................................................................................... 7 2.7 GPS_PPS........................................................................................................................................... 7 Table of Contents 2.8 RESET.................................................................................................................................................7 2.9 Antenna RF Interface......................................................................................................................8 2.10 Electrical Characteristics................................................................................................................ 8 2.11.1 Absolute Maximum Rating.................................................................................................8 2.11.2 Maximum ESD.....................................................................................................................9 2.11.3 Operating Conditions.......................................................................................................... 9 2.11.4 Power Consumption........................................................................................................... 9 2.11.5 RF Characteristics...............................................................................................................9 2 2.11 Mechanical Dimensions............................................................................................................... 10 3 LoRa Antenna......................................................................................................................................... 11 3.1 Overview........................................................................................................................................... 11 3.2 Antenna Parameter......................................................................................................................... 11 4 Schematics Reference..........................................................................................................................12 5 Warning.....................................................................................................................................................13 6 Revision History..................................................................................................................................... 14 7 Document Summary..............................................................................................................................14 RAK2247 User Manual V1.0 2

RAK2247 1 Overview 1.1 Introduction The RAK2247 is a family of LoRa concentrator cards with mini PCIe form factor based on SX1301, which enables an easy integration into an existing routers and others network equipment with LoRa Gateway capabilities.It can be used in any embedded platform offering a free mini-PCIe slot with SPI or USB connection. RAK2247 is a complete and cost efficient LoRa gateway solution offering up to 10 programmable parallel demodulation paths. It targets at smart metering fixed networks and Internet of Things applications with up to 500 nodes per km2 in moderately interfered environment. The modules have the industry standard PCI Express Mini Card form factor, which enables easy integration into an application board and is also ideal for manufacturing of small series. The main features are listed below:  Compatible with Mini PCI-e Edition specification with metal cooling fin. 3  SX1301 base band processor emulates 49 x LoRa demodulators 10 parallel demodulation paths, support 8 uplinks channel, 1 downlink channel.  2 x SX125x Tx/Rx front-ends high/ low frequency.  Build in FT2232H to convert SPI interface of SX1301 to USB2.0.  Voltage of Mini PCI-e is 3.3v, compatible with 3G/LTE card of Mini PCI-e type.  Supports latest LoRaWAN 1.0.2 protocol.  Supports global license-free frequency band (EU433, CN470, EU868, US915, AS923, AU915, KR920, IN865 and AS920).  Supports optional SPI or USB interfaces. 1.2 Package Contents RAK2247 board LoRa Antenna of RP-SMA (1x) Figure1 | Package Contents connector(1x) RAK2247 User Manual V1.0 3

RAK2247 2 LoRa Gateway Module RAK2247 2.1 Overview 4 Figure2 | Module View RAK2247 User Manual V1.0 4

RAK2247 As described in Figure 3, the RAK2247 card integrates one SX1301 chip and two SX1255/7 and other chip for RF signal, which represents the core of the device, providing the related LoRa modem and processing functional lilies. Additional signal conditioning circuitry is implemented for PCI Express Mini Card compliance, and one UFL connectors are available for external antennas integration. 2.2 Operating Frequencies The board supports all LoRaWAN frequency channels as below. Which is easy to configure while building the firmware from the source code. Region Frequency ( MHz ) Europe EU: 863-870Mhz North America US: 923.3-927.5Mhz Table 1 | Operating Frequencies 2.3 Pin Definition 5 Mini PCIEx PIN No RAK2247 PIN Power I/O Description Remarks Rev. 2.0 1 WAKE# NC N/A Internally not connected 2 3.3Vaux 3.3Vaux 3.3Vaux N/A RAK2247 power Connect to 3.3 V supply input 3 COEX1 NC N/A Internally not connected 4 GND GND GND N/A Ground Connect to Ground 5 COEX2 NC N/A Internally not connected 6 1.5V NC N/A Internally not connected 7 CLKREQ# NC N/A Internally not connected 8 UIM_PWR NC N/A Internally not connected 9 GND GND GND N/A Ground Connect to ground 10 UIM_DATA NC N/A Internally not connected 11 REFCLK- NC N/A Internally not connected 12 UIM_CLK NC N/A Internally not connected 13 REFCLK+ NC N/A Internally not connected 14 UIM_RESET NC N/A Internally not connected 15 GND GND GND N/A Ground Connect to ground 16 UIM_SPU NC N/A Internally not connected RAK2247 User Manual V1.0 5

RAK2247 17 UIM_IC_DM NC(5V optional N/A Internally not connected For PA) 18 GND GND GND N/A Ground Connect to ground 19 Reserved 1PPS N/A Internal connection 1PPS for SX1301 20 W_DISABLE1# NC N/A Internally not connected 21 GND GND GND N/A Ground Connect to ground 22 PERST# RESET I RAK2247 reset Active high(≥100ns) for SX1301 input reset. 23 PERn0 NC N/A Internally not connected 24 3.3Vaux 3.3Vaux 3.3Vaux I RAK2247 supply Connect to 3.3 V 25 PERp0 NC N/A input Internally not connected 26 GND GND GND N/A Ground Connect to ground 27 GND GND GND N/A Connect to ground 28 1.5V NC N/A Internally not connected 29 GND GND GND N/A Ground Connect to ground 30 SMB_CLK NC N/A Internally not connected 31 PETn0 NC N/A Internally not connected 32 SMB_DATA NC N/A Internally not connected 33 PETp0 NC N/A Internally not connected 34 GND GND GND N/A Ground Connect to ground 35 GND GND GND N/A Ground Connect to ground 6 36 USB_D- USB_D- USB I/O USB Data Line D- 90-ohm nominal differential impedance. Pull-up, pull-down and series resistors as required by USB 2.0 specifications are part of the USB pin driver and need not be 37 GND GND GND N/A Ground provided Connect externally. to ground 38 USB_D+ USB_D+ USB I/O USB Data Line 90-ohm nominal differential D+ impedance. Pull-up, pull-down and series resistors as required by USB 2.0 specifications are part of the USB pin driver and need not be 39 3.3Vaux 3.3Vaux 3.3Vaux I RAK2247 supply provided Connectexternally. to 3.3 V 40 GND GND GND N/A input Ground Connect to ground 41 3.3Vaux 3.3Vaux 3.3Vaux I RAK2247 supply Connect to 3.3 V 42 LED_WWAN# NC N/A input Internally not connected 43 GND GND GND N/A Ground Connect to ground 44 LED_WLAN# NC N/A Internally not connected 45 Reserved PCIe_SCK I/O Host SPI CLK Max 10MHz clock 46 LED_WPAN# NC N/A Internally not connected 47 Reserved PCIe_MISO I/O Host SPI MISO 48 1.5V NC N/A Internally not connected 49 Reserved PCIe_MOSI I/O Host SPI MOSI RAK2247 User Manual V1.0 6

RAK2247 50 GND GND GND N/A Ground Connect to ground 51 W_DISABLE2# PCIe_CSN I/O Host SPI CS 52 3.3Vaux 3.3Vaux 3.3Vaux I RAK2247 supply Connect to 3.3 V input Table 2 | Pin Definition 2.4 Power Supply RAK2247 card must be supplied through the 3.3Vaux pins by a DC power supply. The voltage must be stable, because during this operation the current drawn from 3.3Vaux can vary significantly, based on the power consumption profile of the SX1301 chip (see SX1301 DS). 2.5 SPI Interface A SPI interface is provided on the PCIe_SCK, PCIe_MISO, PCIe_MOSI, PCIe_CSN pins of the system connector. The SPI interface gives access to the configuration register of SX1301 via a synchronous full-duplex protocol. Only the slave side is implemented. 7 2.6 USB Interface Note: RAK2247-SPI version don't have this interface. RAK2247 card can support the high speed USB to SPI by FT2232HL, it includes a high-speed USB 2.0 compliant interface with maximum 480 Mb/s data rate, representing the interface for any communication with an external host application processor. The module itself acts as a USB device and can be connected to any USB host equipped with compatible drivers. For more information, please refer to the data sheet of FT2232HL. 2.7 1PPS RAK2247 card includes the 1PPS input for received packets time-stamped. RAK2247 User Manual V1.0 7

RAK2247 2.8 RESET RAK2247 card includes the RESET active-high input signal to reset the radio operations as specified by the SX1301 Specification. 2.9 Antenna RF Interface The modules have one RF interfaces over a standard UFL connectors (Hirose U. FL-R-SMT) with a characteristic impedance of 50OHM. The RF port (J1) supports both Tx and Rx, providing the antenna interface. 2.10 Electrical Characteristics Stressing the device above one or more of the ratings listed in the Absolute Maximum Rating section may cause permanent damage. These are stress ratings only. Operating the module at these or at any conditions other than those specified in the Operating Conditions sections of the specification should be avoided. Exposure to Absolute Maximum Rating conditions for extended periods may affect 8 device reliability. The operating condition range define those limit within which the functionality of the device is guaranteed. Where application information is given, it is advisory only and does not form part of the specification. 2.10.1 Absolute Maximum Rating Limiting values given below are in accordance with the Absolute Maximum Rating System (IEC 134). Symbol Description Condition Min. Max. 3.3Vaux Module supply voltage Input DC voltage at 3.3Vaux pins –0.3V 3.6V USB USB D+/D- pins Input DC voltage at USB interface pins 3.6V SPDT_SEL Port select Input DC voltage at SPDT_SEL input pins –0.3V 3.6V RESET RAK2247 reset input Input DC voltage at RESET input pin –0.3V 3.6V SPI SPI interface Input DC voltage at SPI interface pin –0.3V 3.6V GPS_PPS GPS 1 pps input Input DC voltage at GPS_PPS input pin –0.3V 3.6V Rho_ANT Antenna ruggedness Output RF load mismatch ruggedness at ANT1 10:1 VSWR Tstg Storage Temperature –40°C 85°C Table 3 | Absolute maximum ratings RAK2247 User Manual V1.0 8

RAK2247 The product is not protected against overvoltage or reversed voltages. If necessary, voltage spikes exceeding the power supply voltage specification, given in table above, must be limited to values within the specified boundaries by using appropriate protection devices. 2.10.2 Maximum ESD Parameter Min Typical Max Remarks ESD sensitivity for all pins except 1000V Human Body Model according to JESD22-A114 ANT1 ESD sensitivity for ANT1 1000V Human Body Model according to JESD22-A114 ESD immunity for ANT1 4000V Contact Discharge according to IEC 61000-4-2 8000V Air Discharge according to IEC 61000-4-2 Table 4 | Maximum ESD ratings Note: RAK2247 card are Electrostatic Sensitive Devices and require special precautions when handling. 2.10.3 Operating Conditions Input voltage at 3.3Vaux must be above the normal operating range minimum limit 9 to switch-on the module. Symbol Parameter Min. Typical Max. 3.3Vaux Module supply operating input voltage14 3.00V 3.30V 3.60V Table 6 | Power Supply Range 2.10.4 Power Consumption Mode Condition Min Type Max Idle-Mode All of the chip on the board enter idle mode or shutdown. 68uA Active-Mode(TX) The power of TX channel is 25dBm and 3.3V supply. 440mA Active-Mode(RX ) TX disabled and RX enabled. 470mA Table 7 |Module 3.3Vaux supply current consumption 2.10.5 RF Characteristics The following table gives typically sensitivity level of the RAK2247 card. RAK2247 User Manual V1.0 9

RAK2247 Signal Bandwidth/[KHz] Spreading Factor Sensitivity/[dBm] 500 12 -134 500 7 -120 Table 8 |LoRa RF Characteristics 2.11 Mechanical Dimensions RAK2247 card are fully compliant to the 52-pin PCI Express Full-Mini Card Type F2 form factor, with top-side and bottom-side keep-out areas, with 50.95 mm nominal length, 30 mm nominal width and all the other dimensions as defined by the PCI Express Mini Card Electromechanical Specification [9] except for the card thickness (nominal value is 3.7 mm), as described in the next figure. The weight of the RAK2247 card is about 9.7 g.KHz 10 Figure 4 | RAK2247 card mechanical dimensions (top view, side view, bottom view) RAK2247 User Manual V1.0 10

RAK2247 For further details regarding mechanical specifications see the PCI Express Mini Card Electromechanical Specification. 11 RAK2247 User Manual V1.0 11

RAK2247 3 LoRa Antenna 3.1 Overview Figure 5 | LoRa Antenna Overview 3.2 Antenna Parameter Items Specifications 11 VSWR (Voltage Standard Wave Radio) 1:1.5 Gain 2.0dbi Working Temperature & Humidity T:-35 ºC ~ +80 ºC, H: 0% ~ 95% Storage Temperature & Humidity T:-40 ºC ~ +85 ºC, H: 0% ~ 95% Table 9 | LoRa Antenna Parameter RAK2247 User Manual V1.0 11

RAK2247 4 Schematics Reference RAK2247 card refer to Semtech's reference design of SX1301, the SPI interface or USB interface, which convert SPI to USB2.0 by FT2232H, can be used on PCIE connector. 12 RAK2247 User Manual V1.0 12

RAK2247 5 Warning FCC Warning：This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions. (1) This device may not cause harmful interference; (2) This device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. When the module is installed in the host device, the FCC ID label must be visible through a window on the final device or it must be visible when an access panel, door or cover is easily removed. If not, a second label must be placed on the outside of the final device that contains the following text: ―Contains FCC ID: 2AF6B-RAK2247. Maximum antenna gain allowed for use with this device is 2 dBi. This module complies with FCC radiation exposure limits set forth for an uncontrolled environment .This equipment should be installed and operated with minimum distance 20 cm between the radiator& your body. 15 Manufacture name and address： Shenzhen Rakwireless Technology Co., Ltd. Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, Nanshan Distr ict, Shenzhen RAK2247 User Manual V1.0 15

RAK2247 6 Revision History Revision Description Date 1.0 Initial version 2018-12-21 Table 10 | Revision History 7 Document Summary Document Name: WisLink-LoRa RAK2247 User Manual Product Name: RAK2247 Release Date: December 2018 Revision Number: V1.0 Prepared by Checked by: Approved by: 16 Penn Jeff RAK2247 User Manual V1.0 16


Document Created: 2019-03-25 01:13:53
Document Modified: 2019-03-25 01:13:53
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