Grandstream DP720

Điện thoại IP không dây Grandstream DP720

– Kết nối vào trạm thu phát DP750.

– Âm thanh chuẩn HD trong vắt với công nghệ âm thanh mới nhất Opus Codec.

– Loa ngoài đàm thoại 2 chiều.

– Jack nối tai nghe 3.5mm cho phép kết nối tai nghe.

– Màn hình màu.

– Các phím chức năng: Giữ cuộc gọi, chuyển máy, hội nghị 3 bên.

– Phạm vi hoạt động: 50 mét trong nhà, 300 mét ngoài trời.

Đặc tính kỹ thuật

Model DP720
Air Interface Telephony standards: DECT
Frequency bands:
1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US),
1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea),
1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan)
Number of Channels: 10 (Europe), 5 (US, Brazil or Japan), 3 (Korea), 8 (Taiwan)
Range: up to 300 meters outdoors and 50 meters indoors
Peripherals 1.8 inch (128×160) color TFT LCD
23 keys including 2 soft keys, 5 navigation/ menu keys, 4 dedicated function keys for SEND, POWER/END, SPEAKERPHONE, MUTE 
3-color MWI LED
3.5mm headset jack
Removable belt clip
Micro-USB port for alternative charging and non-battery operation
Protocol/Standards Hearing Aid Compatibility (HAC) compliant
Voice Codecs G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station DP750), AEC, AGC, Ambient noise reduction
Telephony Features Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music on hold
Sample Applications Weather, Currency (Pending)
HD Audio Yes, both on Handset and Speakerphone
Security DECT authentication & encryption
Multi-line Access Each handset may access up to ten (10) lines
Power & Green Energy Efficiency Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection; Rechargeable 800mAh Ni-MH Low Self-Discharge (LSD) AAA batteries (250 hours of standby time and 20 hours of talk time)
Dimensions (H x W x D) Handset: 155 x 50 x 26 mm, charger cradle: 35 x 63.5 x 54 mm
Electronic Shutter Speed 1sec ~ 1/12,000sec
Digital Zoom Off / On (1x ~ 16x)
Alarm 1 out
Communication Coaxial control (SPC-300 compatible), RS-485
Protocol Coax : Pelco-C (Coaxitron)
RS-485 : Samsung-T/E, Pelco-D/P, Panasonic, Bosch, Honeywell, Vicon, AD, GE
Input Voltage / Current 24V AC & 12V DC ±10%
Power Consumption 6W
Color / Material Black, Ivory / Aluminum, Plastic
Dimensions 73.1 x 67.2 x 123.9mm
Weight 300g

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