KHz-62MHz Shortwave Radio Receiver SDR 16Bit Upgrade For Kiwisdr / Raspberry Pi. $165 to $223 depending on whether you want a bare board or a case & a RPi. I see two antenna inputs, not sure how that works.
FlyDogSDR Optional Versions:
1. Without board for Raspberry Pi
2. With board for Raspberry Pi 3B
3. With board for Raspberry Pi 3B + 16G TF card
Features:
- 16Bit ADC for KiwiSDR derivation wideband SDR + GPS cape for Raspberry Pi
- No need to install software. You can view radio waves after opening browser
- It can also be used for amateur radio while receiving public broadcasts. Support 8 people online at the same time
- Frequency range 1KHz-62MHz, 16bit direct sampling, GPS calibration
- Equipped with rich plug-ins and functions
- Dedicated fast upgrade channel
- Original container deployment plan
- Real-time bandwidth network sharing SDR receiver 16bit 62M direct sampling upgraded version for kiwisdr
Specifications:
- Hardware support: For Raspberry Pi 3B, 3B+, Pi 4
- Frequency range: 1KHz-62MHz
- Dynamic range: about 100dB
- Sensitivity: better than -120dBm
- Power supply: DC 5V 1.5A
- Antenna port: SMA
- Shell: aluminum alloy
- The maximum real-time bandwidth of 30MHz or 62MHz can be switched at will
Some listings. Probably other sellers as well:
https://www.ebay.com/itm/353336118242?ul_noapp=truehttps://www.ebay.com/itm/124506657232?ul_noapp=truehttps://www.ebay.com/itm/124506659122?ul_noapp=truehttps://www.ebay.com/itm/164615185648