Create your own cordless network with the EnGenius industrial cordless phone system. This phone combines the flexibility and features of a cordless phone with the power of a two-way radio. Plus, the EnGenius transmits at up to 900 milliwatts--about four times the power of most cordless phones--for a range in excess of 8.8 miles and the ability to penetrate up to 12 floors inside a building. This phone is ideal for communication throughout a warehouse, office building, or farm.
This EnGenius system consists of a base unit, one handset, a NiMH battery pack with 80-minute fast charger, and two AC/DC adapters. Each base unit can support up to nine handsets (sold separately), and each handset can be registered with up to four base units. The system is expandable to up to four lines with four base units and 36 handsets. Network features include hold, call transfer, call manager, and a programmable ring feature that allows you to select each handset to ring with every incoming call or only ring for transferred/intercom calls.
The EnGenius system features full-duplex capability that allows handsets to communicate with each other as two-way radios. A long antenna is included with each handset to maximize range in open areas. Independent of the base, full-duplex capability lets you talk and listen at the same time with no group chatter and with the convenience and comfort of a phone handset. Digital spread spectrum technology means the phone hops frequencies more than 200 times per second, ensuring privacy.
Other phone features include call waiting and caller ID compatibility, 30 presets for speed dialing, selectable three-level ringer volume, and six-level voice volume. The handset operates on a NiMH rechargeable battery for three hours of talk time and 40 hours of standby time. A trickle charger is included, and you can even charge the battery while a caller is on hold at the base unit.
This phone comes with a one-year warranty.
Product Description:
EnGenius SN-920 Ultra cordless phones are designed to perform as the longest-range cordless phones and 2-way radio systems. Allowing you an incredible range for both telephone and 2-way radio communication, these phones combine Digital Spread Spectrum with Frequency Hopping technology and up to 4 times the power of typical 2.4 GHz phones. EnGenius outdistances all other cordless phones. In office buildings you can expect up to 12 floors of penetration, in warehouse up to 250, 000 square feet can be covered, and on a farm or ranch cover up to 3, 000 acres.EnGenius offers the convenience of direct, handset-to-handset, 2-way radio communication, completely independent of the base unit. This unique feature makes it possible for multiple handsets to remain in contact with each other even in remote areas away from the base unit. And with EnGenius 2-way feature, there is no group chatter or having to push to talk; just use the feature like you use the phone. EnGenius phones are equipped with the type II Caller-ID, Caller-ID with call waiting. This feature will allow you to see who is calling before you answer the call. Type II Caller-ID will enable you to identify whom is calling right from the handset's LCD screen.
Average customer rating: 
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EnGenius SN920ULTRA 900 MHz DSS Expandable Cordless Phone
Manufacturer: EnGenius ProductGroup: CE Binding: Electronics  900 MHz - Digital
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ASIN: B000056V7S |
Amazon.com Product Description
Create your own cordless network with the EnGenius industrial cordless phone system. This phone combines the flexibility and features of a cordless phone with the power of a two-way radio. Plus, the EnGenius transmits at up to 900 milliwatts--about four times the power of most cordless phones--for a range in excess of 8.8 miles and the ability to penetrate up to 12 floors inside a building. This phone is ideal for communication throughout a warehouse, office building, or farm.This EnGenius system consists of a base unit, one handset, a NiMH battery pack with 80-minute fast charger, and two AC/DC adapters. Each base unit can support up to nine handsets (sold separately), and each handset can be registered with up to four base units. The system is expandable to up to four lines with four base units and 36 handsets. Network features include hold, call transfer, call manager, and a programmable ring feature that allows you to select each handset to ring with every incoming call or only ring for transferred/intercom calls.
The EnGenius system features full-duplex capability that allows handsets to communicate with each other as two-way radios. A long antenna is included with each handset to maximize range in open areas. Independent of the base, full-duplex capability lets you talk and listen at the same time with no group chatter and with the convenience and comfort of a phone handset. Digital spread spectrum technology means the phone hops frequencies more than 200 times per second, ensuring privacy.
Other phone features include call waiting and caller ID compatibility, 30 presets for speed dialing, selectable three-level ringer volume, and six-level voice volume. The handset operates on a NiMH rechargeable battery for three hours of talk time and 40 hours of standby time. A trickle charger is included, and you can even charge the battery while a caller is on hold at the base unit.
This phone comes with a one-year warranty.
Product Description
EnGenius SN-920 Ultra cordless phones are designed to perform as the longest-range cordless phones and 2-way radio systems. Allowing you an incredible range for both telephone and 2-way radio communication, these phones combine Digital Spread Spectrum with Frequency Hopping technology and up to 4 times the power of typical 2.4 GHz phones. EnGenius outdistances all other cordless phones. In office buildings you can expect up to 12 floors of penetration, in warehouse up to 250, 000 square feet can be covered, and on a farm or ranch cover up to 3, 000 acres.EnGenius offers the convenience of direct, handset-to-handset, 2-way radio communication, completely independent of the base unit. This unique feature makes it possible for multiple handsets to remain in contact with each other even in remote areas away from the base unit. And with EnGenius 2-way feature, there is no group chatter or having to push to talk; just use the feature like you use the phone. EnGenius phones are equipped with the type II Caller-ID, Caller-ID with call waiting. This feature will allow you to see who is calling before you answer the call. Type II Caller-ID will enable you to identify whom is calling right from the handset's LCD screen.Customer Reviews:
Unacceptable for home use.......2004-03-30
Junk.......2004-02-27
Great range, OK quality.......2003-02-28
Well, this phone works admirably - it has more than enough range for a large property with no fade out. The handsets are tough and feel solid (they are really meant for factory or warehouse use). Battery life hasn't been an issue for us at all - in a home you usually keep the handsets in a charging cradle when not in use anyways. Voice quality is as good as the Siemens was. And the fact that it works at 900 Mhz is a bonus since it won't interfere with my wireless Ethernet (802.11) network.
This is an update since I've had these phones for about 6 months now: They aren't perfect. When you put the phone into the cradle to recharge, you have to put it in carefully otherwise it'll look OK, but won't be recharging. Also the recharging contacts are fragile compared to other phones and in fact I have to toss out one of my SN-920's 'cause the contacts got damaged. And the microphone on another SN-920 died. Also, the phones aren't comfortable against your ear.
My ideal phone would have the SN-920's distance with better ergonomics and better recharge contacts. Unfortunately, I don't know of such a phone.
Good for distance, not for quality.......2002-08-29
EnGenius SN920 Ultra.......2001-12-14
1) supported multiple remote handsets
2) could be expanded to support multiple incoming lines
3) operated in the 900MHz band
The 900MHz band was a key issue, since I planned to install an IEEE 802.11b RF LAN, which operates in the 2.4GHz band. This ruled out any of the 2.4GHz phone systems, since they would interfere with the phone and vice-versa.
The EnGenius SN920 works fine from a technical standpoint, but there are numerous quirks about the phone, especially with regards to 'human factors' issues:
1) Voice quality is good, but not as good as a Motorola STARtac. This is surprising since the SN920 uses ADPCM digital encoding. Also, the speaker has very poor low frequency response, likely due to the small size of the phone, and is nowhere as good as a traditional corded phone.
2) A very annoying trait is that when you pick up the phone from its cradle, the caller ID info disappears! This forces you to crouch down to view the caller ID, which is inconvenient.
3) When the phone is not in its cradle, you answer it by pressing 'TALK', which is fine. Unfortunately there is no way to configure the phone to require 'TALK' to be pressed when it is picked up from its cradle, so picking up the phone that is already in a cradle versus not in a cradle is *different* and annoying. Half the time, we have to press 'TALK' twice, since you shouldn't press 'TALK' after you pick it up from a cradle. Although this sounds like a trivial nit, it really is a hassle.
4) I would not recommend this phone for older people, especially those who have arthritis. The phone is smaller and heavier than most, but it is too heavy for a moderately infirm person to hold for a long time. The buttons are also harder to push. The phone was designed this way for heavy-duty industrial environments, but it does make it difficult to use if you are 80 years old and have arthritis.
So, keep these issues in mind if you are considering this phone. From a system design standpoint, the ability to add multiple lines and handset is great, and the fact that it operates in the 900MHz is a major plus if you are planning to install a 802.11b RF LAN. (I'm surprised that cordless phone system vendors are not considering this issue more; I've talked to Apple and Siemens and they have confirmed that 2.4GHz phones and 802.11b RF LANs can and do interfere with each other.)
Average customer rating: 
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EnGenius SN920ULTRABU 900 MHz DSS Expandable Longest-Range Cordless Phone
Manufacturer: EnGenius ProductGroup: CE Binding: Electronics 900 MHz - Digital
| Cordless Telephones
| Telephones
| Office Electronics
| Categories
| Electronics
Office Electronics
| Refurbished & Used
| Special Features
| Electronics Features
| Electronics
Phones
| Refurbished & Used
| Special Features
| Electronics Features
| Electronics
Electronics Available for International Shipping
| Specialty Stores
| Electronics Features
| Electronics
Accessories:
Product Features:
ASIN: B00005B98W |
Product Description
EnGenius leads the Long Range Industrial Cordless Phone System category. EnGenius long range cordless telephones work behind PBX and Key systems for warehouses, manufacturing plants, grocery and retail stores, automobile dealers, self storage, nurseries and assisted living facility staff.PRODUCT FEATURES: 1 920 base unit; AC adapters; Telephone wire; Audio input jack for music on hold; 900 mW transmission power; Multi-handset capable (up to 9 handsets per base).Amazon.com Product Description
EnGenius offers an expandable telephone and two-way communication system for long-range cordless telephoning. With the base unit (SN920ULTRABU) supporting EnGenius's longest-range cordless phone (SN920ULTRAHS), your business is provided with communication power that can be refined and augmented to meet your growing needs. Each base unit supports up to nine handsets within its primary family and can expand up to 36 handsets when additional base units are grouped together. EnGenius SN-920 handsets can be added as you need them to meet the expanding demands of your business.This professional package is designed for businesses that require mobility and ready telephone access. Each handset works as a long-range cordless phone and a two-way radio with other EnGenius SN-900 or SN-920 base and handsets. Build a system of up to four phone lines (requiring four base units, one base per line) and 36 handsets.
Electronics:
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