| Model Number | U-23D-H |
| Brand Name | UND |
| Type | 4G Signal Booster |
| Place of Origin | China (Xi'an) |
| Network Compatibility | 2G/3G/4G/DCS |
| Coverage Area | 800~1500 sqm |
| Gain | 75dB |
| Output Power | 23dBm |
| Size | 170*126*21mm |
| Frequency Band | EGSM 900/1800/1900/2100/2600/LTE700/LTE800/AWS1700/iDEN800 |
| Connector | N-Female |
| Intermodulation | ≤-40dBc |
| Ripple in Band | ≤8dB |
| Functions | 31dB adjustable gain switch, ALC, MGC, ISO |