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Airborne Enterprise Module Databook

 

 

Quatech, Inc. 

100-8080-120 

7/15/2010 

27 

8.0  Antenna 

The unit supports antenna connection through a single Hirose U.FL connector, located on 
the top surface of the radio next to the RF shielding.  

Any antenna used with the system must be designed for operation within the 2.4GHz  
ISM band and specifically must support the 2.412GHz to 2.482GHz for 802.11b/g 
operation. They are required to have a VSWR of 2:1 maximum referenced to a 50

 

system impedance. 

8.1 

Antenna Selection 

The Airborne radio supports a number of antenna options, all of which require 
connection to the U.FL connectors on the radio. Ultimately the antenna option 
selected will be determined by a number of factors, these include consideration 
of the application, mechanical construction and desired performance. Since the 
number of possible combinations is endless we will review some of the more 
common solutions in this section. If your application is not covered during this 
discussion please contact Technical Support for more specific answers. 

The available antenna connections include: 

 

Host board mounted antenna 

 

Host Chassis mounted antenna 

 

Embedded antenna 

In addition to the above options, location and performance need to be 
considered, the following sections discuss these items. 

8.2 

Host Board Mounted Antenna 

Host board mounted requires that an antenna connection is physically mounted 
to the host system board. It also requires that the host board include a U.FL 
connector (two (2) if diversity is being used) to allow a U.FL to U.FL coaxial lead 
to connect from the radio to the host board. It will then require 50

 matched PCB 

traces to be routed from the U.FL connector to the antenna mount. 

There are several sources for the U.FL to U.FL coaxial cable these include 
Hirose, Sunridge and IPEX. Please contact Quatech for further part numbers and 
supply assistance. 

This approach can simplify assembly but does require that the host system 
configuration can accommodate an antenna location that is determined by the 
host PCB. There are also limitations on the ability to seal the enclosure when 
using this approach. 

This approach also restricts the selection of available antenna.  When using this 
approach, antennas that screw or press fit to the PCB mount connector must be 
used. There are many options for the antenna connector type, however if you 
wish to utilize the FCC/IOC modular approval the connector choice must comply 

Содержание 802.11B/G

Страница 1: ...Product Specification 802 11b g High Performance Enterprise Device Server Revision 1 2 July 2010 File name databook wlng dp500 family v1 2 doc Document Number 100 8080 120...

Страница 2: ...Quatech Inc Airborne Enterprise Module Databook 2 7 15 2010 100 8080 120 Page Intentionally Left Blank...

Страница 3: ...The reader remains responsible for the system design and for ensuring that the overall system satisfies its design objectives taking due account of the information presented herein the specifications...

Страница 4: ...Quatech Inc Airborne Enterprise Module Databook 4 7 15 2010 100 8080 120 Page Intentionally Left Blank...

Страница 5: ...racteristics Transmitter 19 6 2 Performance Range 19 7 0 SPI Interface 21 7 1 Pinout 21 7 2 SPI AC Characteristics 22 7 3 SPI Protocol 23 7 4 SPI Commands 24 8 0 Antenna 27 8 1 Antenna Selection 27 8...

Страница 6: ...Pin Definition 11 Table 3 UART Pin Definition 13 Table 4 Absolute Maximum Values 1 16 Table 5 Operating Conditions DC Specification 16 Table 6 RF Characteristics 802 11b g 18 Table 7 Supported Data Ra...

Страница 7: ...following convention will be used The area next to the indicator will identify the specific information and make any references necessary The area next to the indicator will identify the specific inf...

Страница 8: ...ver TCP IP stack UDP telnet FTP server Data bridging and buffering Command Line Interface Web interface WPA Supplicant 802 11 Radio Driver Supports antenna diversity Operating Temperature 40 C to 85 C...

Страница 9: ...Airborne Enterprise Module Databook Quatech Inc 100 8080 120 7 15 2010 9 3 0 Block Diagram The following outlines the block diagram of the radio Figure 2 WLNG SE SP AN ET DP500 Block Diagram...

Страница 10: ...th RS232 422 485 Driver Control l l l l l l l l l l WLNG SP DP501 802 11b g SPI Interface l l l l l l l l WLNG AN DP501 802 11b g UART Interface l l l l l l l l l l WLNG ET DP501 802 11b g 10 100 Ethe...

Страница 11: ...RXD All DIN Debug 9 RXD2 UART DIN UART2 RXD2 Serial DIN UART2 RXD2 SPI DIN UART2 RXD2 Ethernet DIN UART2 G6 All GPIO 10 TDO All JTAG Test data out 11 FRESET All Factory RESET 12 CTS1 UART Clear to Sen...

Страница 12: ...tion Indicator F6 GPIO 24 RXD1 UART DIN UART1 RXD1 Serial DIN UART1 MOSI SPI DIN SPI RXD1 Ethernet DIN UART1 F7 All GPIO 25 LED_POST All POST Status Indicator F0 GPIO 26 LED_WLN_CFG All Module TCP IP...

Страница 13: ...to a 2 wire only The primary digital UART can be used as the primary connection for the Serial device type This type supports a 7 wire interface to allow the definition of the serial interface type RS...

Страница 14: ...er It is recommended that a connection to this port be supported via test points or a two pin header The default settings for the debug port are 115200 8 N 1 No Flow Control CAUTION Do not use the deb...

Страница 15: ...ors to the radio J1 36 pin Digital Host interface Hirose DF12 36DP 0 5V XX 0 50mm 020 Pitch Plug Surface Mount Dual Row Vertical 4 00mm Stack Height 36 Circuits J2 Primary RF connector for 802 11b g a...

Страница 16: ...age 2 0 VDD 0 3 VOL Output Low Level Voltage 0 4 VOH Output High Level Voltage VDD 0 4 ICCTXG Operating Current UART Data In 802 11g Transmitting 54Mb s UART 100 Duty Cycle 920K BAUD 340 360 mA ICCRXG...

Страница 17: ...nd CPU on No data traffic UART 340 360 mA ICCE Radio and CPU on No data traffic Ethernet 330 350 mA ISBU0 Radio off UART CPU Idle radio off f w control 350 360 mA ISBE0 Radio off Ethernet CPU Idle rad...

Страница 18: ...ak dBm mW Units POUTB Transmit Power Output 802 11b 11 5 5 2 1 13 15 31 6 19 3 85 1 dBm mW POUTG Transmit Power Output 802 11g 6 9 12 18 24 36 48 54 10 12 15 9 21 5 141 3 dBm mW PRSENB Receive Sensiti...

Страница 19: ...02 11g US Canada 2 401 2 473 11 1 11 Europe 2 401 2 483 13 1 13 France 2 446 2 483 4 10 13 Japan 2 401 2 483 13 1 13 1 Only channels 1 6 and 11 are non overlapping 6 1 AC Electrical Characteristics Tr...

Страница 20: ...135m 215m 6Mb s 802 11a 49m 155m 54Mb s 802 11g 12m 19m 54Mb s 802 11a 4 5m 14m Ranges are based on receiver sensitivity Transmitter power free space path loss estimates antenna gain factors and link...

Страница 21: ...ve Out MISO 28 Master Out Slave In MOSI 24 SPI Interrupt SPI_INT 22 SPI Clock SPI_CLK 18 SPI Select SPI_SEL 12 Data In RxD2 DTXD 9 8 Data out TxD2 DRXD 21 6 Ready to Send RTS2 17 Clear to Send CTS2 19...

Страница 22: ...C Timings Symbol Parameter Min Typ Max Units fMAX Maximum Clock Frequency 8 00 MHz tCS SPI Select Low to Clock Rising Edge 100 ns tCH Clock High 62 5 ns tCL Clock Low 62 5 ns tDA Clock High to Data Ou...

Страница 23: ...s of the TX message header The RX message header consists of a RX Data Available field and a TX Buffer Available field The RX Data Available field indicates the number of data bytes the Device Server...

Страница 24: ...e BREAK command will issue a break sequence to the module It is analogous to the BREAK signal on a common UART Use this command to issue a BREAK if the esc mode serial brk setting is configured in the...

Страница 25: ...st has received all the RX data available from the module All other bits of PARM1 are unused for this command and should be set to zero PARM2 is unused for this command and should be set to zero For e...

Страница 26: ...e module In CLI mode this data will be the local echoing of the commands issued to the module as well as the command responses generated by the module If the module has an active data connection estab...

Страница 27: ...Host Chassis mounted antenna Embedded antenna In addition to the above options location and performance need to be considered the following sections discuss these items 8 2 Host Board Mounted Antenna...

Страница 28: ...ulk head mounting there are no connector choice restrictions for use with the FCC IOC modular certification However if the flying lead connector is used the same restrictions as identified for the Hos...

Страница 29: ...system using this approach maybe slightly more complex since the antenna is not necessarily mounted on the host PCBA 8 5 Antenna Location The importance of this design choice cannot be over stressed...

Страница 30: ...ermine the link rate generally as the link quality for a given link rate drops below a predefined limit the radio will drop to the next lowest link rate and try to communicate using it The reciprocal...

Страница 31: ...ee Path Loss dB RxS Receiver receive sensitivity dBm RxA Receiver antenna gain dBi RxC Receiver to Antenna coax cable loss dB This is a complex subject and requires more information than is presented...

Страница 32: ...following timing and signal conditions Figure 5 Power on RESET Timing Figure 6 RESET Timing Table 17 RESET Timing Symbol Parameter Min Typ Max Units tPURST Valid VDD to RESET valid 200 ms tRLRV RESET...

Страница 33: ...Where control of the RESET signal by system level monitor is not possible Quatech recommend the use of the circuit in Figure 7 or one similar This circuit controls the RESET signal relative to power...

Страница 34: ...Tolerance 1 27 0 05 unless noted 40 60 1 60 MAX 30 70 1 21 MIN 1 84 0 07 12 37 0 49 MAX 29 60 1 17 MAX 18 27 0 72 MIN 15 90 0 63 3X 1 00 0 04 3X 2 00 0 08 Part Hirose DF12 36DS 0 5V Not available for...

Страница 35: ...Stack Height 36 Circuits Board Connector DF12 36DP 0 5V XX Hirose Hirose 0 50mm 020 Pitch Plug Surface Mount Dual Row Vertical 4 00mm Stack Height 36 Circuits RF Connector U FL Hirose Ultra Small Surf...

Страница 36: ...ructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interfe...

Страница 37: ...rne WLN modules the customers are relieved of any need to perform FCC part15 subpart C Intentional Radiator testing and certification except where they wish to use an antenna that is not already certi...

Страница 38: ...ve any concerns regarding the hardware integration Contact Quatech Technical support for a copy of the FCC and IOC grant certificates the test reports and updated approved antenna list 11 5 Regulatory...

Страница 39: ...tive humidity cycle Altitude Sect 4 8 Operational 0 12 000ft 62 KPa absolute pressure Non operational 0 40 000ft 18 6 KPa absolute pressure Vibration Sect 4 9 Operational 2 4 Grms 10 1K Hz 1hr per axi...

Страница 40: ...tion 5 3 SPI interface section 6 0 Table 4 0 Changed maximum voltage to 4 0VDC Table 5 0 Updated Power state labels and values 7 0 Added section 7 0 SPI interface specification 11 5 Added reference to...

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