This guide provides instructions needed to assemble a FOAM Zone Anchor. It also contains components lists and links for buying each component.
A Zone requires at least four Zone Anchors. Trust Zone Program participants will need to procure components for these four Zone Anchors to successfully create a Trust Zone.
In addition to the components listed below, participants also need to buy the components listed in the Antenna & Accessories Selection Guide, such as antennas, coax cables, lightning arrestors, etc. Additional accessories for alternate power sources like solar and PoE are also described in that guide.
Following is the list of items necessary to build one FOAM Zone Anchor, including the URL links indicating where to purchase each component from.
⚠️ Note: if the link shows the part as out of stock, feel free to reach out to the FOAM team for alternate supply sources. Also, feel free to buy the components from any source. You are not required to use the links provided below.
Materials required to build one Zone Anchor.
This list details the electrical parts required for ******Zone Anchors. Note that for the Trust Zone Program, four Zone Anchors are required. The only required components not listed below are the antennas and antenna connection accessories (Coax cables, Lightning Arrestor, etc.), which are covered in the Antenna & Accessories Selection Guide
⚠️Note: remember to consult with the FOAM team before purchasing antennas.
The ‘Zone Anchor Qty’ column refers to the quantity of parts required to build one Zone Anchor, while the ‘Zone Qty’ refers to the quantity to build one full Zone comprised of four Zone Anchors.
| Item # | Description | Zone Anchor Qty | Zone Qty | Purchase Link |
|---|---|---|---|---|
| 1 | FOAM Hat v1.3 (or v1.4) | 1 | 4 | (FOAM Supplied - FOAM Team will Ship to You) |
| 2 | LoRa Shield SX1276MB1LAS | 1 | 4 | https://www.digikey.com/short/h182ddbv |
| 3 | STM32 NUCLEO-F303RE Board | 1 | 4 | https://a.co/d/1ZUtqsP |
| 4 | Jumper Wire 4” | 1 | 4; Only Order 1 Pack | https://a.co/d/bB7NChS |
| 5 | Raspberry Pi 3 Model B+ or 4 (at least 4GB RAM preferred) | 1 | 4 | (FOAM Supplied - FOAM Team will Ship to You) |
| 7 | Heat Sink for Raspberry Pi with thermal tape | 1 | 4 | https://a.co/d/6kMvSdZ |
| 7.a | Flat Copper Heat Sink | 1 | 4 | (Comes as set, using link above for part #7) |
| 7.b | Extruded Aluminum Heat Sink - Large | 1 | 4 | (Comes as set, using link above for part #7) |
| 7.c | Extruded Aluminum Heat Sink - Small | 1 | 4 | (Comes as set, using link above for part #7) |
| 8* | GPS Hat for Raspberry Pi* | 1 | 4 | (FOAM Supplied - FOAM Team will Ship to You) |
| 9 | Bitscope Blade Uno BB01 | 1 | 4 | http://my.bitscope.com/store/?p=list&a=list&i=cat+blade |
| 10 | 2x20 pin header 12 mm pin length with 2.5 mm spacer | 1 | 4 | (Same as link below for part #11 - comes in set) |
| 11 | 2x20 pin header 5.5 mm pin length with 2.5 mm spacer | 1 | 4; Only Order 2 Packs | https://a.co/d/fEmhrLb |
| 12** | Netgear LTE Modem LB1120 or LM1200** | 1 | 4 | https://a.co/d/h3J3YN7 OR https://a.co/d/0IvBEwj |
| 13 | Right angled Ethernet cable 1 ft | 1 | 4 | https://www.digikey.com/short/h7d72fd7 OR https://a.co/d/ccrLtTo |
| 14 | Type A USB male to mini B right angle cable (USB A Left-mini USB Right) | 1 | 4; Only Order 2 Packs | https://a.co/d/izjkdZm |
| 15 | Power Splitter Cable 1 Male to 2 Male 5.5mm X 2.1mm | 1 | 4 | https://www.digikey.com/short/htmcc4t2 |
| 16 | Cable Assembly, Input Power Battery Charging Assembly | 1 | 4 | (FOAM Supplied - FOAM Team will Ship to You) |
| 17 | Cable Assembly, AC-DC 12V Power Cable | 1 | 4 | (FOAM Supplied - FOAM Team will Ship to You) |
| 18 | Connector, DC Power Right Angle male to female 5.5mm x 2.1mm | 3 | 12; Only Order 3 Packs | https://a.co/d/bwGJqR1 |
| 19 | RF coaxial cable SMA male to SMA male right angle 12'' | 1 | 4; Only Order 2 Packs | https://a.co/d/cmpFumA |
| 20 | RF coaxial cable SMA male to SMA male right angle 6'' | 1 | 4 | https://a.co/d/gAQ95e4 |
| 21 | RF coaxial cable female Ufl to male SMA coax cable 6” for GPS | 1 | 4 | https://www.digikey.com/short/7d1nj50f |
| 22 | SMA FtoF bulkhead connector | 1 | 4; Only Order 1 Pack | https://a.co/d/4BJAkhx |
| 23 | N-type female to SMA female bulkhead connector | 2 | 8 | https://www.mouser.com/ProductDetail/712-ADP-SMAF-NF-B-W |
| 24 | Talentcell PB120B1 Battery, 12V 142 Wh | 1 | 4 | https://a.co/d/7x54lcj |
| 52* | 3V Lithium Coin Cell Battery, CR 1220* | 1 | 4 | (FOAM Supplied - FOAM Team will Ship to You) |
| 54 | Barrel DC Connector, 2.1mm to 2.5mm | 1 | 4 | https://a.co/d/gw8LgRu |
| 55 | USB A to USB-C cable (only if using LM1200 modem) | 1 | 4 | https://a.co/d/668N7y0 |
| 56 | Velcro Adhesive Straps (optional) | 1-2 | 4-8; Order 1 Pack | https://a.co/d/8OACDPT |
⚠️As the default, the Foamspace team will ship ship you the GPS Hats [8] pre-soldered with the Coin Cell Batteries [52] included, so you do not need to do soldering. If you want to solder, then you can buy these components, like the GPS Hats here and Coin Cell Batteries here. In that case, please let the Foamspace team know.*
*⚠️ *You need to get SIM cards for your LTE modems with data plans providing ~10GB of monthly data. If there is an Althea Network in your area, we strongly recommend tapping into it. Other decentralized wireless CBRS options can also be used.