Yes, the AmpiSig supports all major US carriers including Verizon, AT&T, T-Mobile, and Sprint. It covers five essential frequency bands (B2, B4, B5, B12, B13) used by all carriers, ensuring universal compatibility with any smartphone.

The AmpiSig provides coverage up to 2,500 square feet depending on existing signal strength and building materials. Stronger outside signals result in better indoor coverage. Ideal for average homes, offices, and commercial spaces.

Absolutely. The AmpiSig supports unlimited simultaneous users without performance degradation. Everyone in your household or office can enjoy improved signal quality for calls, texts, and data at the same time without slowdowns.

Installation is straightforward with included components and instructions. Mount the outdoor antenna in a location with existing signal, connect cables to the repeater, place the indoor antenna centrally, and plug in the power supply.

Yes, the AmpiSig amplifies both voice and data signals across 2G, 3G, and 4G LTE networks. You'll experience clearer calls, faster downloads, smoother streaming, and more reliable text messaging throughout the coverage area.

No, the AmpiSig features automatic level control and power control technology that prevents interference with nearby cell towers and other users. It operates within FCC-approved parameters to ensure safe, compliant signal amplification.

The built-in LED display shows real-time signal strength in dBm and output power for each frequency band. You'll see immediate improvements in your phone's signal bars and experience fewer dropped calls and faster data speeds.

Yes, the AmpiSig works well in challenging environments like basements, metal buildings, and underground areas. The powerful outdoor antenna captures available signals while the repeater amplifies them effectively throughout difficult-to-reach interior spaces.