Specifications: Frequency response:
Narrowband: 300 Hz - 3.500 Hz
Wideband: 150 Hz - 6.800 Hz
Weight:
headband version: 50 g
ear hook version: 22 g
Earpad size: 50 mm / 1.96 inches
Charging time:
0 - 50: 20 min
0 - 100: 1 h
Standby time: up to 100 h
Range:
line of sight: 180 m
in typical office building: 55 m
Talk time
Wideband: up to 8 h
Narrowband: up to 12 h
Camera: Camera type
Dual-lens
Camera resolution
2160p, 4K UHD (3840 x 2160)
Diagonal field of view (dFoV)
140°; 78°
Horizontal field of view (hFoV)
120°; 70°
Additional Features: Special features
Air Quality Sensor; Meeting participant counting; Electronic privacy shutter
Specifications: Interfaces:
Telephone Interfaces Two (2) FXS ports
Network Interfaces One (1) 10/100 Mbps auto-sensing ethernet ports (RJ45)
LED Indicators POWER, INTERNET, PHONE1, PHONE2
Factory Reset Button Yes
Voice, Fax, Modem:
Telephony Features Caller ID display or block, call waiting, flash, blind or attended transfer, forward,
hold, do not disturb, 3-way conference
Voice Codecs G.711 with Annex I (PLC) and Annex II (VAD / CNG), G.723.1, G.729A/B, G.726, iLBC,
OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax Over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Pass-through
Short / Long Haul Ring Load 2 REN: Up to 1 km on 24 AWG
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods Busy Tone, Polarity Reversal / Wink, Loop Current
Signaling:
Network Protocols...
Specifications: M28-BK, CMUBH, White, 3 L x 2.54 W x 0.98 H inches, 0.15 kilograms, usb_c, USB, 90 minutes, 800 watt_hours, 1, Magnetic Selfie Light*1, Magnetic Ring*1, Type C charging cable*1, User manual*1, 1 year Manufacturer
Specifications: ST-160-Black, SEAEYES, Black, 6.5 L x 1.4 W x 10.5 H centimeters, 0.24 kilograms, usb2.0, USB, 2 hours, 5 watt_hours, 1, 2, 1X Magnetic selfie light, 1X 1/4 Clamp, 1X Cold shoe mount, 1X USB charging cable, 1X Magnetic metal ring, 3 moth