Grandstream DP752 Long-Range DECT Base Station

The Grandstream DP752 is a powerful long-range DECT VoIP base station that facilitates seamless, high-quality voice communication. This device offers a remarkable outdoor range of up to 400 meters and an indoor range of 50 meters, ensuring uncompromised connectivity even over considerable distances. The product’s long-range capabilities are paired with support for up to five concurrent calls, enabling simultaneous communication and promoting a collaborative environment.

The base station also facilitates up to ten SIP accounts per system and provides for up to five DP720/DP722/DP730 handsets. It further supports a push-to-talk feature and features advanced telephony features, including call transfer, 3-way voice conferencing, call forward, call waiting, and more. The DECT Base Station incorporates the support for an auto-provisioning method called Zero Config (via Grandstream’s UCM series of IP PBXs) for easy deployment. With integrated PoE technology, the DP752 offers cost-effective, centralized power distribution and eliminates the need for separate power supplies or wiring.

On the technical side, the product supports various codecs including G.711μ/a, G.722 (wide-band), G.726-32, iLBC, Opus for better sound quality. It also boasts full HD audio with a wide frequency range from 150 Hz to 7 KHz.

Key Features of the DP725:

• Enables pairing with up to five Grandstream DP series DECT handsets through a convenient dedicated pairing button.
• Offers support for up to 10 SIP accounts per system and allows up to 10 lines per handset.
• Provides an impressive outdoor range of up to 400 meters with the DP730, DP725, or DP735, and up to 350 meters with the DP722 or DP720, along with an indoor range of up to 50 meters.
• Equipped with push-to-talk functionality and features proximity and accelerometer sensors for activity-based tasks.
• Includes automated provisioning options, such as TR-069 and XML configuration files.

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)
• Outdoor Range: up to 400 meters (DP730) or up to 350 meters (DP722/DP720)
• Indoor Range: up to 50 meters

Peripherals

• 3 LED indicators: Power, Network, DECT
• Pairing/Paging button
• One 10/100 Mbps auto-sensing Ethernet port with integrated PoE

Protocol/ Standards

• SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP

Voice Codecs

• G.711μ/a-law, G.723.1, G.729A/B, G.726-32, iLBC, G.722, OPUS, G.722.2/AMR-WB (special order), in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB

Telephony Features

• Hold, transfer, forward, 3-way conference, downloadable phonebook (XML, LDAP, up to 3000 entries), call waiting, call log (up to 300 records), auto answer, flexible dial plan, server
• redundancy and fail-over

QoS

• Layer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS)

Security

• User and administrator level access control, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, DECT authentication & encryption)

Multi-Language

• English, Czech, German, Spanish, French, Hebrew, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Arabic, Chinese Simple, Chinese Tradition, Japanese, Korean, Slovakian, Serbian

Upgrade/ Provisioning

• Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file

Multiple SIP Accounts

• Up to ten (10) distinct SIP accounts per system
• Each handset may map to any SIP account(s)
• Each SIP account may map to any handset(s

Ring Group

• Flexible options when multiple handsets share the same SIP account:
• Circular Mode: all phones ring sequentially from the phone next to the one that answered last
• Linear Mode: all phones ring sequentially in the predesignated order
• Parallel Mode: all phones ring concurrently and after one phone answers, the remaining available phones can make new calls

Power And Green Energy Efficiency

• Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection; PoE: IEEE802.3af Class 1, 0.44W–3.84W

Package Content

• Base Unit, Universal Power Supply; Ethernet cable; Quick Start Guide, GPL statement

Dimensions (H X W X D)

• 140.31 x 64.98 x 105mm

Weight

• Base unit: 140g; Universal power supply: 50g; Package: 370g

Temperature And Humidity

• Operation: -10 to 50ºC (14 to 122ºF); Storage: -20º to 60ºC (-4 to 140ºF) Humidity: 10% to 90% non-condensing

Compliance

• FCC: FCC Part 15B; FCC Part 15D; MPE; FCC ID
• CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 60950-1; EN 301 489-1/-6; EN
• 301 406; EN 50385; RED NB Cert
• RCM: AS/NZS 32; AS/NZS 60950.1
• ANATEL: ANATEL, EAC, UL (adapter)

Datasheet

• DP752 Datasheet English