AllStar Link Hardware Matrix
Deep technical breakdown and comparison of custom radio interfaces and integrated SHARI nodes.
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| Specification Parameters |
Bring your own Pi
DINAH
(USB-A/C) |
Bring your own Pi
PAUL
|
Bring your own Pi
PiXX
|
SHARI — Integrated Node
Unistorm
|
SHARI — Integrated Node
52Pi
Pi4 |
SHARI — Integrated Node
52Pi
Pi5 |
SHARI — Integrated Node
NeoPi4
|
SHARI — Integrated Node
NeoPi5
|
SHARI — Integrated Node
Mod2
(board only) |
SHARI — Integrated Node
PiZero
|
|---|---|---|---|---|---|---|---|---|---|---|
| PURPOSE & FUNCTION | ||||||||||
| Function |
Radio interface (bring your own radio) |
Radio interface (bring your own radio) |
SA818 node module (customer-supplied Pi) |
Self-contained AllStar node | Self-contained AllStar node | Self-contained AllStar node | Self-contained AllStar node | Self-contained AllStar node | Self-contained AllStar node | Self-contained AllStar node |
| Radio | ✗ | ✗ | ✓ SA818S | ✓ SA818S | ✓ SA818S | ✓ SA818S | ✓ SA818S | ✓ SA818S | ✓ SA818S | ✓ SA818S |
| UHF or VHF | — | — | 70cm or 2m | 70cm or 2m | 70cm or 2m | 70cm or 2m | 70cm or 2m | 70cm or 2m | 70cm or 2m | 70cm or 2m |
| RF output power | — | — | 250–500 mW | 250–500 mW | 250–500 mW | 250–500 mW | 250–500 mW | 250–500 mW | 250–500 mW | 250–500 mW |
| FCC Part 97 emissions compliant | — | — | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| HOST COMPUTER | ||||||||||
| Supported Pi | Pi 2/3/4/5 | Pi 2/3/4/5 | Pi 2/3/4/5 | Pi 3/4 | Pi 4 only | Pi 5 only | Pi 4 only | Pi 5 only | Pi0-2W/2/3/4/5 | Pi 0-2W only |
| Pi supplied by | Customer | Customer | Customer |
Customer (kit) or included (assembled) |
Customer (kit) or included (assembled) |
Customer (kit) or included (assembled) |
Customer (kit) or included (assembled) |
Customer (kit) or included (assembled) |
Customer |
Customer (kit) or included (assembled) |
| Pi connection(s) | USB-A or USB-C | USB mini-B cable | 2× USB-A ports |
Pi GPIO plus 2 soldered wires |
Pi GPIO plus 2 soldered wires |
Pi GPIO plus 2 soldered wires |
Pi GPIO plus 2 soldered wires |
Pi GPIO plus 2 soldered wires |
Pi GPIO plus 2 soldered wires |
Pi GPIO plus Internal USB Cable |
| AUDIO & CONTROL | ||||||||||
| USB audio IC | CM108B | CM108B | CM108B | CM108B | CM108B | CM108B | CM108B | CM108B | CM108B | CM108B |
| Radio connector | 6-pin miniDIN | DE-9 (TNC pinout) | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Audio level pots | ✗ (software) | ✓ RX & TX | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
| Optical COS/PTT | ✗ | ✓ opto-relay | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
| SA818 serial prog (RX/TX) | — | — | Serial USB | Pi UART | Pi UART | Pi UART | Pi UART | Pi UART | Pi UART | Pi UART |
| ENCLOSURE & COOLING | ||||||||||
| Enclosure |
Aluminum enclosure, 3D printed end caps |
Aluminum enclosure, 3D printed end caps |
Aluminum enclosure, 3D printed end caps |
Aluminum enclosure |
Alumlinum enclosre, (Lexan lid) |
Alumlinum enclosre, (Lexan lid) |
Aluminum enclosure, moulded plastic bottom |
Aluminum enclosure, moulded plastic bottom |
None (board only) |
Aluminum enclosure, 3D printed end caps |
| Cooling |
Metal Case conduction cooling |
Metal Case conduction cooling |
Metal Case conduction cooling |
Vented case Pi Heat Syncs Optional external fan |
Vented case Pi Heat Syncs Optional external fan |
Vented case, Pi Heat syncs Internal PWM fan (4GB & 8GB: Optional active cooler ) |
Case is heat sync Optional external fan |
Case is heat sync and Internal fan + active cooler |
— |
Metal Case conduction cooling |
| EMI/RFI control | ||||||||||
| RF low-pass filter | — | — | LTCC SMD | LTCC SMD | LTCC SMD | LTCC SMD | LTCC SMD | LTCC SMD | LTCC SMD | LTCC SMD |
| USB connection |
DINAH A - no USB cable required |
— | no USB cable required | Common mode ferrite | Common mode ferrite | Common mode ferrite | Common mode ferrite | Common mode ferrite | Common mode ferrite | — |
| PC board design | RF bypass caps | RF bypass caps |
RF bypass caps Ferrite chokes |
RF bypass caps Ferrite chokes 4-Layer PCB |
RF bypass caps Ferrite chokes 4-Layer PCB |
RF bypass caps Ferrite chokes 4-Layer PCB |
RF bypass caps Ferrite chokes |
RF bypass caps Ferrite chokes |
RF bypass caps Ferrite chokes 4-Layer PCB |
RF bypass caps Ferrite chokes 4-Layer PCB |
| Pi power supply | — | — | Split core ferrite | Split core ferrite | Split core ferrite | Split core ferrite | Split core ferrite | Split core ferrite | — | Split core ferrite |
| ASSEMBLY | ||||||||||
| SMD pre-installed | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Cable included | 6-pin miniDIN | ✗ (custom) | — | — | — | — | — | — | — | — |
| Software | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 | HamVOIP/ASL3 |
| PRICING | DINAH (USB-A/C) | PAUL | PiXX | Unistorm | 52Pi Pi4 | 52Pi Pi5 | NeoPi4 | NeoPi5 | Mod2 (board only) | PiZero |
| Kit price | $60 | $55 | $115 | $130 | $130 | $130 | $130 | $130 | $90 | $130 |
| Assembled | $70 | $85 | $130 | — | — | — | — | — | $110 | $205 |
| Assembled w/ Pi 3 | — | — | — | $245 | — | — | — | — | — | — |
| Assembled w/ Pi 4 – 1GB | — | — | — | $250 | $250 | — | $250 | — | — | — |
| Assembled w/ Pi 4 – 2GB | — | — | — | $255 | $255 | — | $255 | — | — | — |
| Assembled w/ Pi 5 – 2GB | — | — | — | — | $275 | $275 | — | $275 | — | — |
| Assembled w/ Pi 5 – 8GB | — | — | — | — | $460 | $460 | — | $460 | — | — |
| Setup add-on (assembled units only) | — | — | — | $65 | $65 | $65 | $65 | $65 | — | $65 |