The scanner does not function. Ensure that the scanner is equipped with fresh batteries. If powering the scanner from external power, make certain that the USB power plug is fully inserted into the scanners USB jack. Weak signals from distant stations.
2-Way radio reception is line-of-sight. Consider an outdoor antenna; the first 30 feet of elevation makes the most difference.
Attenuator in use on weak signals. Check performance with and without attenuator activated, use setting with best reception.Strong signal overload from nearby transmitter. Inspect antenna and connectors and correct any problems found. Ensure that proper modulation mode is selected for the type of system being monitored. If necessary, use the PC Application to change modulation mode. Whistler TRX-1 Handheld Digital Scanner Radio. BUYERS: USA LOWER 48 STATES ONLY. The item "Whistler TRX-1 Digital Handheld Scanner DMR TRBO P25-PI/II Radio And SDR Radio" is in sale since Monday, November 22, 2021. This item is in the category "Consumer Electronics\Radio Communication\Scanners". The seller is "thinrat" and is located in Charlotte, North Carolina. This item can be shipped to United States.