Intrinsically safe two-way radio a72

multi-modewaterproof

Overview
Ascom a72 is a two-way pager designed for operation within the Ascom Paging system, delivering messaging, alarm functions and high-precision indoor location for demanding work environments. The device supports one-way or two-way messaging depending on variant, shows alerts and messages in plain text on a large backlit display, and provides configurable alarm inputs including push-button, pull-cord, man-down and no-movement.

Versions

• Ascom a72 Protector: Two-way unit with personal alarm and two-way messaging (receive alert/message and respond with accept/not accept). Includes push-button, pull-cord and automatically generated alarms. Text alerts and messages visible on the large display with reply capability. High-precision location via IR and LF.
• Ascom a72 Alarm: Alarm-focused unit with one-way messaging (send alarm only). Personal alarm handset with push-button and pull-cord alarms and automatically generated alarms. Supports IR and LF location options.
• Ascom a72 Pager: Receive-only pager for message display without personal alarm features. Alerts and messages shown in plain text on a large backlit display; new messages indicated by tone and vibrator.

Key product features

• Environmental protection and durability: shock-, squeeze- and splash-resistant with IP64 rating; disinfectant-ready materials; wide operating temperature range.
• Comprehensive alarm set: push-button, man-down, no-movement and pull-cord alarms to protect lone and vulnerable workers; automatic alarm generation supported.
• Precise indoor location: optional IR and LF technologies for high-accuracy positioning and acoustic location signals.
• Messaging capabilities: one-way or two-way messaging depending on variant; plain-text messages with acknowledgement and prioritization.
• User-centered design: large backlit dot-matrix display, ergonomically placed alarm button, rechargeable Li-ion battery and choice of clip types.
• Security and compliance: dedicated frequency and proprietary protocol; ATEX model available; tested to IEC standards.

Highlights

• Faster response: direct individual or group messaging reduces reaction times in incidents.
• Operational efficiency: simplifies staff communication and reduces administrative overhead.
• Improved safety: rapid alerts with clear instructions help manage emergencies.
• Sector versatility: suitable for healthcare, hospitality, manufacturing, retail and other regulated environments.
• Cost effectiveness: lowers communication costs compared with legacy methods.

Technical specifications

• Standard features: shock and squeeze resistant; large backlit LCD up to 128 characters; personal alarm; two configurable push-buttons; safety pull-cord; man-down and no-movement alarm (option); 2-tone Acoustic Location Signal (ALS); location (IR and LF) (option); UHF receiver/transmitter; time-stamped messages; SIM card for identity and personal settings; 11 languages supported.
• Dimensions (H x W x D): 104 x 62 x 36 mm including clip.
• Weight: 124 g including battery and clip.
• Colour: Black.
• Display: 142 x 80 dot-matrix LCD (active area 35 x 24 mm).
• Simultaneous rows: depending on font — 6 (small), 5 (medium), 4 (large); scrollbar indicates additional rows.
• Max characters per row: 27–32 (small), 23–28 (medium), 17–22 (large).
• Battery: Li-ion 650 mAh.
• Battery operating time: approx. 48 hours (including 4 alarms per 8 hours, man-down/no-movement and location active) or approx. 72 hours (including 4 messages per hour; no alarms/location).
• Charge time: approx. 2 hours.
• Clip: hinge-type (standard) or swivel-type.
• Quality and compliance: IEC 60068-2-32 drop test (12 drops from 1.5 m); ATEX/IECEx free-fall test per IEC 60079-0 (4 drops from 1 m) where applicable.
• Environmental: operating temperature -10°C to +55°C; storage temperature -20°C to +55°C.