_x000D_ _x000D_ _x000D_ _x000D_ 1MHz to 6GHz Open Source Software Defined Radio Platform Accurate Tuning PCB SDR Development Board _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Feature: 1. RADIO DEVELOPMENT BOARD: This product is a software defined radio peripheral that can transmit or receive radio signals from 1 MHz to 6 GHz. 2. MAIN FUNCTION: Designed to support the testing and development wireless technology, it is an open source hardware platform that can be used as a USB peripheral or programmed for independent operation. 3. ACCURATE TUNING: This USB SDR transceiver uses PPM calibration for more accurate tuning and stable performance, making it very easy to use. You can use it with confidence. 4. COMPACT AND CONVENIENT: This portable radio transceiver is small in size, lightweight, and easy to install and use. 5. ADDITION FUNCTIONS: For certain functions such as world maps, GPS simulators, etc., you need to prepare Micro storage cards(not included) in for H2 and 1G or above FAT32 format. Specification: Item Type: Software Defined Radio Platform Material: PCB 1 MHz to 6 GHz operating frequency Half duplex transceiver Up to 20 million samples per second 8 bit orthogonal samples (8 bit I and 8 bit Q) Suitable for GNU Radio, for SDR #, and for example Software configurable RX and TX gains and baseband filters Software controlled antenna port power supply (50 mA at 3.3 V) SMA female antenna connector SMA master clock input and output for synchronization Convenient Programming Button: Internal Pin Expansion High speed USB 2.0 USB powered Open source hardware For One 1 MHz to 6 GHz for SDR Platform Software Defined Radio Development Board High speed USB 2.0 USB powered How to Use: UpgradeforOneR9: ForMAXIMUM2837wasreplacedbyforMAXIMUM2839.ForSi5351ChasbeenreplacedbyforSi5351Awithadditionalclockallocation.Addaseriesdiodetotheantennaportpowersupply. Package List: 1 x Development Board 1 x Antenna 1 x USB Cable 1 x Washer Ring 1 x Washer 1 x Nut Note: 1. Supports the latest firmware, and the current firmware defaults to for Mayhem firmware v1.7.3. 2. For certain functions such as world maps, GPS simulators, etc., you need to prepare Micro storage cards(not included) in for H2 and 1G or above FAT32 format. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1) We accept Alipay, West Union, TT.All major credit cards are accepted through secure payment processor ESCROW. _x000D_ _x000D_ _x000D_ 2) Payment must be made within 3 days of order. _x000D_ _x000D_ _x000D_ 3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ About shipping _x000D_ _x000D_ _x000D_ 1. WORLDWIDE SHIPPING.(Except some countries and APO/FPO) _x000D_ 2. Orders processedtimely after thepayment verification. _x000D_ 3. We ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. _x000D_ 4. The images shown are not the actual item and are for your reference . _x000D_ 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. _x000D_ 6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! _x000D_ 7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. _x000D_ _x000D_ _x000D_ 8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable. _x000D_ _x000D_ _x000D_ 9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Return and Refund _x000D_ _x000D_ _x000D_ 1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS!And Pay attention please!The Shipping cost is bear by buyer themselves. _x000D_ 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number,