Specifications

General

Weight
9 g
Colour
Black
PTT Button
None
VOX
None
Emergency Button
None
Speaker Power
10 mW (nominal); 20 mW (max.)
Speaker Impedance
32Ω ±15% @ 2.0 kHz
Speaker Frequency Response
110 ±3 dB @ 1 kHz at 0.179 V
IP Rating
None
Operating Temperature
-20℃ ~ 60℃
Storage Temperature
-40℃ ~ 85℃
Note
Requires a PTT & MIC controller cable

Compatible Radios

Similar Accessories

Hytera ES01 Receive-Only In-Ear Earpiece — Detail

Technical assessment

Audio accessories decide whether coverage is usable. A radio heard perfectly on a bench is not heard at all over a running plant, and the resulting complaint is normally reported as poor coverage rather than as the wrong accessory.

Speaker output is 10 mW (nominal); 20 mW (max.).

PTT button: None. Emergency button: None. An emergency control that cannot be operated through the gloves worn on site is not an emergency control, which is worth testing with the actual gloves before ordering a fleet.

VOX: None. Voice-activated transmission frees both hands, and in a noisy environment it also transmits the noise — it suits quiet, hands-occupied work rather than a plant floor.

Ingress protection is None. Accessory connectors are where dust and moisture do their damage first; a cover that is actually used extends the life of the accessory more than the rating does.

Operating temperature range is -20℃ ~ 60℃.

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