| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $85.28 | $83.54 | $80.93 | $77.45 | Contact US |
ZELLO Mini Mobile Radio 5000KM National Intercom Support Free Grouping 2G/3G/4G for Android Version
$89.23
HamGeek FM Transmitter 76MHz-108MHz Bluetooth FM Transmitter with Battery for 100-Meter Transmission
$33.70
HamGeek ATS25-Desk SI4732 All Band Radio Receiver AM/FM/SSB/SW/MW/LW Full Band Radio w/ Touch Screen
$72.97
PORTAPACK For HackRF One SDR Offline GPS Simulator w/ Metal Case Board 0.5PPM TCXO Unfinished
Adopting ROSH environmentally friendly technology, in line with international standards, including DQS, WSQ, ATF, IAF, and UL. 
Upgraded 0.5ppm High Precision TCXO 
TCXO Stability Test Results
Set portapack in hackrf model, use the osmosdr_siggen to generate rf signal and tested tcxo ref. clock ppm.
PPM = (1 - (4.09999817 / 4.1)) * 1000000 = 0.4463414634, under 0.5ppm. 
Write GPS Simulator Firmware for Testing TCXO Clocks
We customize portapack-havoc source, put gpssim baseband signal file in micro SD, through portapack send to air the result is very satisfied!
Usage:
./gps-sdr-sim -e brdc3540.14n -s 2500000 -b 8 -o gpssim.c8
Create text file named "gpssim.txt" context:
sample_rate=2500000
center_frequency=1575420000
And copy this two files into SD card at some dir:
./gpssim.c8
./gpssim.txt 
Test Results (GPS Receiver Module)
Another HACKRF receives GPS baseband, and its visible signal is clean and neat, and the gain is large. 
Laser Engraving Metal Case 
Free Firmware Tool
Click to download: gridrf.com/Uploads/Download/PortapackFirmwareTool.zip
Package Included:
- 1 x Set of PORTAPACK For HackRF One
Note: It is unfinished. Assembling is needed. 
