LigoWave 2901 Broadband Digital Transmission System User Manual

LigoWave LLC Broadband Digital Transmission System

User manual

FWBD-2901 Product brief FWBD-2901 Product brief FWBD-2901
FWBD-2901 Product brief FWBD-2901 has 802.11ac 2×2 radio supporting up to 866.7 Mbps data-rate The FWBD-2901 is consisting of two major sections, Digital section and Analog Section DIGITAL SECTION The section is made up of:  QCA9557  DDR2 Memory  Flash Memory  Power Supplies QCA9557 (CPU) The Qualcomm Atheros QCA9557 is a highly integrated and feature-rich IEEE 802.11n 2x2 2.4/5 GHz System-on-a-Chip (SoC) for advanced WLAN AP/router platforms. It includes a MIPS 74Kc processor, one PCI Express 1.1 Root Complex and one PCI Express Root Complex/Endpoint interfaces, one RGMII interface, one SGMII interface, two USB 2.0 MAC/PHY, and external memory interface for serial Flash, DDR1 or DDR2, I2S/SPDIF-Out audio interface, SLIC VOIP/PCM interface, two UARTs, and GPIOs that can be used for LED controls or other general purpose interface configurations. The QCA9557 supports 802.11n operations up to 144.4 Mbps for 20 MHz and 300 Mbps for 40 MHz, and 802.11a/b/g data rates. Additional features include Maximal Likelihood (ML) decoding, Low-Density Parity Check (LDPC), Maximal Ratio Combining (MRC), Tx Beamforming (TxBF), and On-Chip One-Time Programmable (OTP) memory. The QCA9557 PCIE Root Complex interface can be used to connect to an endpoint such as the Qualcomm Atheros single-chip MAC/PHY/radio for dual concurrent WLAN applications. The QCA9557 supports booting from either SPI NOR or NAND flash. If NOR flash is used as boot codestore, an additional NAND flash device can still be connected, for end-user multi-media storage and other applications. QCA9882 (Radio) The Qualcomm Atheros QCA9882 s a highly integrated wireless local area network (WLAN) system-on-chip (SoC) for 5 GHz 802.11ac or 5 GHz 802.11n WLAN applications. The QCA9882 integrates an on-board CPU for low-level setup of WLAN physical layer (PHY) and RF to offload the host processor for other tasks. It enables high-performance 2x2 MIMO with three spatial streams for wireless applications demanding the highest robust link quality and maximum throughput and range. The QCA9880 supports up to two simultaneous traffic streams integrating two Tx and three Rx chains for high throughput and extended coverage. Tx chains combine PHY in-phase (I) and quadrature (Q) signals, convert them to the desired frequency, and drive the RF signal to multiple antennas. Rx chains use an integrated architecture. The frequency synthesizer supports 1-MHz steps to match frequencies defined by IEEE 802.11a/n/ac specifications. The QCA9882 supports frame data transfer to and from the host using a PCIE interface providing interrupt generation and report Power Supplies The 48V/0.5A DC input voltage is regulated to the following voltages for various purposes:  +1.2V for CPU core voltage  +3.3V for CPU, Flash, DDR  +5V RF ANALOG SECTION QCA9882 has integrated 2T2R MAC, BBP and RF. Each TX/RX chain only needs out-of-band rejection filters, Low noise power amplifier, Power amplifier and a switch to switch between transmission and reception mode. The switch and LNA on/off are controlled by the QCA9882 BBP integrated module.
FWBD-2901 Product brief Specification Feature Description Operating band IEEE 802.11a: 5180MHz-5240MHz, 5745MHz-5825MHz IEEE 802.11nHT20: 5180MHz-5240MHz, 5745MHz-5825MHz IEEE 802.11nHT40: 5190MHz-5230MHz, 5755MHz-5795MHz IEEE 802.11ac:5210MHz, 5775MHz CPU QCA9557 RAM 128MB Flash memory 128MB Watchdog timer Built into CPU Reset push button Connected to GPIO LED’s Special connector to connect external LED board Ethernet One 10/100/1000 Ethernet port Power options 802.3af/at PoE (RJ45) Power supply range 48-56V Serial port (UART) 3.3V TTL level, not end user accessible Operating temperature range From -400C to 700C Module dimensions Unit : mm
FWBD-2901 Product brief 4 Block diagram Module 1- 1000 Base-T Ethernet port 2- Buttons(reset and user-GPIO connected) 3- MCX RF connector 4- LED (GPIO connected) 12-90-16 PRO 22-90-16 PRO 32-90-16 PRO 3 4
FWBD-2901 Product brief Hardware Setup Software Source Software of FWBD-2901 module base on OpenWrt Linux, OpenWrt source code be used for FWBD-2901 The Product is a FIXED Point TO Point DEVICE ONLY, and it should be installed by professional installer. and can also work within the temperature of -30 ℃ to 50 ℃. The EUT has the ability to be maintained within the authorized band within a Max tolerance of ±116KHz of centre frequency. Antenna Type: LigoDLB PRO sector antenna: Manufacture: LigoWave Model : FWA-40 17dBi sector antenna with two antennas, directional gain 20dBi. PTP5-23 PRO panel antenna: Manufacture: LigoWave Model : FWA-1-1 20dBi panel antenna with two antennas, directional gain 23dBi. Dish antenna: Manufacture: ARC Wireless LLC Model : ARC-DA5830SD1 27dBi dish antenna with two antennas, directional gain 30dBi
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