Key specs: • Frequency: PMR446 (≈ 446 MHz), license-free band. • Channels: standard 16 PMR channels. • Power: PMR limitation — low transmit power (max ≈ 0.5 W ERP). • Power source: rechargeable battery (built-in or removable) — runtime depends on usage. • Features: PTT operation, often VOX (hands-free) and volume control. • Build: compact, lightweight, usually with belt clip. • Range: up to several kilometres line-of-sight in ideal conditions; much shorter in urban/obstructed environments