| Model Number | U-20DW-V |
| Brand Name | UND |
| Type | 4G signal booster |
| Place of Origin | China, Xi'an |
| Network | 2G, 3G, 4G |
| Coverage | 500-1000 sqm |
| Transmission Rate | 75MHz |
| Antennas | 5dBi |
| Product Name | Cell Phone Signal Amplifier |
| Frequency | 1800/2100MHz |
| Function | Mobile Signal Extender |
| Application | Inside Building |
| Output Power | 20dBm |
| Gain | 65dB |
| Working Mode | MGC |
| Power Supply | AC 100-240V, DC 9V5A |
| RF Connector | N-Female |
| Weight | 1KG |