| Model Number | U-23D |
| Brand Name | UND |
| Type | 4G Signal Booster |
| Place of Origin | Xi'an, China |
| Network Compatibility | 2G, 3G, 4G |
| Coverage Area | 5000-8000 sqm |
| Antenna Gain | 5dBi |
| Amplifier Gain | 85.0dB |
| Frequency | 1800MHz |
| Function | Mobile Signal Extender |
| Application | Inside Building |
| Output Power | 30dBm |
| Working Mode | ALC, AGC, MGC |
| Power Supply | AC 100-240V, DC 9V5A |
| RF Connector | N-Female |
| Weight | 4KG |