Tecsun GR-138 GREEN DYNAMO CRANK RADIO Mornsun LI100-20B24PR2 AC/DC 100W DIN-Rail Power Supply Spectrum compliance verification and regulatory

Spectrum compliance verification and regulatory testing to ensure transmitting equipment meets FCC

The portable mini spot welder operates on the principle of resistance welding

The I2C interface uses only SDA and SCL pins

and "AT+P20" to set transmission power level (ranging from 1 to 20 representing -1dBm to 20dBm)

1x 6-7 inch Black Metal Chassis Frame

Tecsun GR-138 GREEN DYNAMO CRANK RADIO Mornsun LI100-20B24PR2 AC/DC 100W DIN-Rail Power Supply Spectrum compliance verification and regulatoryTecsun GR 138 GREEN DYNAMO CRANK RADIO The Tecsun GR 138 Green Dynamo Crank Radio is a portable emergency radio receiver that combines hand crank mechanical power generation with AM FM radio reception, designed for disaster preparedness and off grid communication scenarios. Emergency response professionals, outdoor enthusiasts, and disaster management agencies rely on this device as a critical backup communication tool when conventional power sources