Tenda 4G180 Guía De Instalación Rápida página 92

Frequency bands and power
Some frequency bands in which the radio equipment operates
may not be available in some countries or areas. Please contact
your local ISP for more details.
The maximum radio-frequency power transmitted in the
frequency bands in which the radio equipment operates is less
than the highest limit value specified in the related Harmonized
Standard.
The frequency bands and transmitting power (radiated and/or
conducted) nominal limits applicable to this radio equipment are
as follows:
Band:
4G LTE Band: B1/B3/B5/B7/B8/B20/B28/B38/B40/B41;
LTE Power: 23 ±2 dBm
Caution:
Battery Model: 4G
Voltage: 3.8V
Capacity: 2100mAh 7.98Wh
Limited charge voltage: 4.35V
Manufacturer: Shenzhen Powercome Electronics Co., LTD