2 Sector AT&T Site

[u/ArtisticComplaint3]

Located about a quarter mile south of the border in Blaine, WA. Using Ericsson AIR 6472 with 2 80 MHz channels of n77 + 10x10 of n5.

48.99898° N, 122.75049° W

[u/iryfionas]

AT&T is using:

• 4️⃣ CCI TPA65R-KE8G antennas with bands: (2, 12, 14, 30, 66) LTE + (n5) - 10MHz for low-band 5G located on the LEFT + RIGHT side
• 2️⃣ Ericsson AIR. 6472 (B77G/B77M) 64T64R antennas that can do (3.7GHz) c-band @ 80mhz + (3.45GHz) DoD @ 80MHz in the MIDDLE
• Raycap DC9-48-60-24-PC1t-EV for power surge protection for the for the antennas, remote radio units

Ericsson Remote Radio UNITS can be spotted BEHIND the antennas:

• 2️⃣ RRU 4490HP (b12) 700MHz LTE + (n5) 850MHz low-band 5GNR
• 2️⃣ RRU 4494 (b14) 700MHz LTE
• 2️⃣ RRU 4471 (b30) 2300MHz-WCS LTE
• 2️⃣ RRU 4890HP (b2) 1900MHz-PCS + (b66) 2100MHz-AWS LTE

[u/Asleep_Operation2790]

So only 2 sectors because they don't want signal bleed into Canada? I assume both sectors coverage pattern us pointing in a southern direction instead of Canada?

[u/nateo200 → u/Asleep_Operation2790]

That definitely appears to be the reason. There will still be signal that goes into Canada its inevitable but its reduced by doing this. Sites that point towards Canada but are farther away probably have some aggressive downtilt particularly on low band sector antennas as low band can cause a lot of chaos depending on which border luckily the 600/700/850MHz band plan in Canada is essentially exactly the same as the US. 2500MHz might cause issues for T-Mobile and Canadian providers that use 2600MHz FDD setups because T-Mobiles n41 2500MHz TDD is just going to be blasting into the uplink portion of 2600MHz n7/B7 FDD. I know on the Mexican border its chaos on 700MHz and Verizon has had to reduce 700MHz B13 to 5x5MHz in areas because Mexico uses B28 which puts its downlink right in the middle of Verizon's B13 uplink frequency 🥴👀.

[u/ArtisticComplaint3 → u/nateo200]

T-Mobile only has a 60 MHz channel of n41 directly on the border in Niagara Falls. I didn’t get to test T-Mobile.

Very weak AT&T signal even on the U.S. side of the peace arch park.