Do you experience dropped calls or choppy, incoherent conversations on your C Spire cell phone within your home/office or in car/truck? C Spire cellphone coverage's very good - However, housing materials such as concrete, metal, low emissivity or tinted glass windows, etc. block cellular signals and prevent good mobile reception indoors in homes/offices and outdoors in cars/trucks.

C Spire 3G, 4G, 5G Frequencies and Bands.

3G Frequencies	4G / 5G (DSS) Frequencies
800 MHz, Band 10 (CDMA). 700 MHz AWS Lower Block A/C, Band 12/13 (CDMA). 1900 MHz, Band 1 (CDMA).	1700 MHz AWS, Band 4 (LTE). 1900 MHz, Band 2 (LTE). 1.9 GHz (LTE).

After purchase, C Spire service signal booster registration is easy. Simply register C Spire signal amplifier by visiting following contact form and submitting, 1) Customer name and phone number. 2) Make, model, and serial number of the cellular amplifier purchased. 3) Address where the cell phone booster will be installed (if vehicle, then an address where it will be normally parked overnight). 4) Date of initial operation: https://help.cspire.com/app/ask/p/1. You may read more details at FCC website. All of the following cell phone signal amplifiers are FCC certified and tested to improve wireless reception in homes or buildings, cars, trucks, boats, recreational vehicles (RVs), etc. on C-Spire mobile network. Try one risk-free to see how much it helps you to minimize dropped calls, missed calls, stuck/late text messages, and slow mobile internet due to weak cellular reception. As long as there is some minimal cellular signal outside the home/building or vehicle, you will definitely experience remarkable cell signal amplification inside.