Backcountry Access
Backcountry Access Tracker4 Avalanche Beacon
$399.95
Best Avalanche Beacons · head-to-head
Backcountry Access Tracker4 Avalanche Beacon vs Black Diamond Guide BT Avalanche Beacon
A sourced, side-by-side comparison. Black Diamond Guide BT Avalanche Beacon is cheaper at $374.96. Every spec and price links to its source.
Black Diamond
Black Diamond Guide BT Avalanche Beacon
$374.96Cheaper
Which is better: the Backcountry Access Tracker4 Avalanche Beacon or Black Diamond Guide BT Avalanche Beacon?
On the specs we track, they're closely matched. The Black Diamond Guide BT Avalanche Beacon is the cheaper at $374.96.
See Backcountry Access Tracker4 Avalanche Beacon on Amazon See Black Diamond Guide BT Avalanche Beacon on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Backcountry Access Tracker4 Avalanche Beacon | Black Diamond Guide BT Avalanche Beacon |
|---|---|---|
| US price | $399.95 | $374.96 |
| Brand | Backcountry Access | Black Diamond |
| Released | — | — |
| Search strip width (m) | 55 | 60 |
| Number of antennas | 3 | 3 |
| Multiple burial marking | Signal Suppression (SS) + Big Picture (BP) multi-victim modes; no dedicated flag/mark button | Yes |
| Frequency (kHz) | 457 | 457 |
| Battery type life | 3x AAA alkaline, ~250 hr transmit-only or ~50 hr search-only (min. 1 hr search after 200 hr transmit) | Not published on blackdiamondequipment.com; the Guide BT shares Pieps' DSP transceiver platform (Pieps Pro BT: 3x AAA, min. 600 hr) but this has not been independently confirmed for the BD-branded unit |
| Display type | Temperature-resistant LED | Not published on blackdiamondequipment.com product page |
| Auto revert to transmit | Yes — motion-sensing auto-revert (AR) | — |
| Weight (g) | 176 | — |
Sources — Backcountry Access Tracker4 Avalanche Beacon: backcountryaccess.com (verified 2026-08-11). Black Diamond Guide BT Avalanche Beacon: blackdiamondequipment.com (verified 2026-08-11).
What's the difference between the Backcountry Access Tracker4 Avalanche Beacon and Black Diamond Guide BT Avalanche Beacon?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Search strip width (m): Backcountry Access Tracker4 Avalanche Beacon 55 vs Black Diamond Guide BT Avalanche Beacon 60
- Multiple burial marking: Backcountry Access Tracker4 Avalanche Beacon Signal Suppression (SS) + Big Picture (BP) multi-victim modes; no dedicated flag/mark button vs Black Diamond Guide BT Avalanche Beacon true
- Battery type life: Backcountry Access Tracker4 Avalanche Beacon 3x AAA alkaline, ~250 hr transmit-only or ~50 hr search-only (min. 1 hr search after 200 hr transmit) vs Black Diamond Guide BT Avalanche Beacon Not published on blackdiamondequipment.com; the Guide BT shares Pieps' DSP transceiver platform (Pieps Pro BT: 3x AAA, min. 600 hr) but this has not been independently confirmed for the BD-branded unit
- Display type: Backcountry Access Tracker4 Avalanche Beacon Temperature-resistant LED vs Black Diamond Guide BT Avalanche Beacon Not published on blackdiamondequipment.com product page