Check the listing for details. DC-6GHZ 90DB Programmable Attenuator Module RF Attenuator Step 0.25DB os67. Condition: New. Listed at 71.72 USD. Description DC-6GHZ 90DB Programmable Attenuator Module RF Attenuator Step 0.25DB 1.3" OLED Display CNC ATT-6000V3.0 Download Online Resources: 1. Demonstration Video: Link: https://pan.baidu.com/s/1fdy85u82rK21-fXuI51QvA Password: WYDZ 2. File: Link: https://pan.baidu.com/s/1kxhg6f3ezEq2rAE6Y5O4wg Password: WYDZ 3. PC Software + Driver Link: https://pan.baidu.com/s/1bjtfPmz64Q3uSno2rik6qA Password: WYDZ Description: The programmable attenuator boasts wide frequency range and supports for various communications, featuring low power consumption, high attenuation precision, small attenuation step, fully shielded multi-cavity design, flat curve, and good isolation. It is mainly used in the fields where the amplitude output needs to be controlled on the RF and IF links. Module Parameters: - Power supply voltage: +5V (powered via TYPE-C cable) - Input and output impedance: 50Ω - Output interface: SMA female - Minimum attenuation step: 0.25DB - Maximum input power: 30dBm (1W) - Size: 6.8 x 4.8cm/2.7 x 1.9" (LxW) (excluding the size of SMA); height: 2.5cm/1" - Provided communication protocol: support USB and TTL serial communication at the same time - Input loss and standing wave parameters (refer to the measured value of vector network) - Module weight: 120g/0.3 lb Features: 1. Separation of core attenuation chip and MCU main control shield 2. All-aluminum alloy housing; multiple cavities are used inside the attenuation chip 3. DC-6GHz frequency band; 0.25DB minimum step; maximum 90DB attenuation 4. TYPE-C port supports power supply + communication; supports TTL serial communication 5. 1.3" full-color TFT with button control 6. Radio frequency ports enables two-way communication, that is, no distinction between input and output 7. With SMA male connectors to input and output 8. Host computer communication software provided Package Included: - 1 x Attenuation Module - 1 x Type-C Cable Module Communication Protocol (all commands are terminated with the Enter key + line feed): 1. Send the attenuation coefficient command: change the attenuation coefficient (the end symbol is "enter /n/r"); the format is: att-xxx.xx 2. Response value signal: The format is: attOK 3. When using TTL serial communication, the baud rate is 9600 4. Read data format: READ (Enter/n/r) 5. USB communication is STM32F4 virtual serial port, no need to set baud rate Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms - For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons. Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. 2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping. Feedback 1. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.