JZAQ Black Waterproof Motorcycle Helmet Wireless Bluetooth Headset Used

Description

This item has been professionally inspected and is authentic.
JZAQ Black Waterproof Motorcycle Helmet Wireless Bluetooth Headset Used
Condition: Used - Appears to be in nice shape - Includes what's pictured - Returns accepted - Please see photos before purchasing
Brand: JZAQ
Type: Headset
Compatible Brand: Universal
Features: Automatic Answering
Connectivity: Wireless
Country/Region of Manufacture: China
Custom Bundle: No Welcome to my shop
Product Overview
RX-888 MKII SDR Radio Receiver SDR Ham Radio Receiver LTC2208 16Bit ADC RX888
Detail
RX-888 MKII SDR Radio Receiver SDR Ham Radio Receiver LTC2208 16Bit ADC Direct Sampling R828D
Description:
We are pleased to announce the second-gen of RX888. RX-888 MKII is the new generation of RX888 with the following improvements and enhancements:
1. Add a tunable Attention in the HF path, which can tune from 0 to -31.5dB.
2. Change the fixed LNA of RX888 to a VGA, which gives the -10dB to +33dB range. VGA applies to both HF and VHF.
3. Use the newer generation of tuner chip R828D instead of R820T2.
4. Use an enhanced version of 64M LPF to improve image rejection further.
5. A jumper can select the internal reference clock or an external 27Mhz reference clock.
The primary motivation is giving users smaller granularity control on the RF front-end and a big dynamic range to fit the demands of both strong and weak signals receiving. The tunable range is -41.5dB to +33dB for HF and 0db to 55dB for VHF, which covers most use cases. During the MKII development, we are working very closely with the original author of BBRF103, IK1XPV, on his new universal driver. The new driver supports RX888 and RX-888 MKII now. And we expect the power of opensource will significantly improve the software support and the lifetime of RX888.
Open-Source Address of Firmware:
github.com/ik1xpv/ExtIO_sddc
Technical Specifications:
1. LTC2208 16bit ADC at 130 MSPS
2. Dual RF input, HF frequency range: 1kHz-64Mhz, maximum real-time bandwidth 64M. VHF frequency range: 64M-1700Mhz, maximum real-time bandwidth 10M.
3. 0.5ppm VCXO
4. ATT adjustment range -32dB to 0dB
5. VGA adjustment range -11dB to +34dB
6. External 27Mhz reference clock support
7. 3.3v software switched Bias-Tee HF/VHF independent control
8. ADC PGA Rand Dither software control
9. Support mainstream SDR software. For HDSDR SDRConsole SDR# SDR++
Package Included:
- 1 x SDR Radio
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Shipping Policy
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Payment Mathord
1. PayPal payment accepted only.
2. Items will be shipped to your eBay address. Please make sure it is correct.
3. Payment must be received 4 days after auction ended.
Returns Policy
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
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