HD921M
The HD921M is a triband high gain 3G antenna that is particularly suited for vehicle based communication and jamming applications in the GSM and 3G frequency bands.
| Frequency | MHz 800 - 2170 |
| Power Handling | 115 W |
| Polarisation | Nominally vertical |
| Gain | +3 to +4 dBi |
| Mass (kg) | 1.8 |
| Size (mm) | 605 |
| Maximum VSWR | ≤ 2.5 |
