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GSM Phone to Landline adapter - Convert Your Cell Phone to Landline Phone Voice CTI GSM Phone to Landline adapter is Compatible with most telephones, PBX and VoIP gateways, suitable for a frequency of GSM 900/1800 MHz dual-band; GSM 850/900/1800/1900 MHz quad-band GSM phones. Quad-band GSM FWT with USA dial tone, and 3G networks support. Compatible to most telephones, PBX, and VoIP gateways, support quad-band frequency of GSM 850/900/1800/1900 MHz. Just put your GSM sim card in and connect to any type of regular land-line phone device at your own choice at your home or office. Air interface standardGSM850/1900Mhz,900/1,800Mhz phase 2+ full band Working Frequency 850/900/1800/1900Mhz Transmission869.2 ~ 893.8MHz Transmission1, 930 ~ 1, 990MHz Reception824.2 ~ 848.2MHz Reception1, 850 ~ 1, 910MHz GSM 900GSM 1800 Transmission890 ~ 915MHz Transmission1, 710 ~ 1, 785MHz Reception935 ~ 960MHz Reception1, 805 ~ 1, 880MHz Channel space200kHz User line, bell signalIn line with GB/T15279 Max power0.25W / 0.5W Consumption ImmobilityLess than 25mAh TransmissionLess than 400mAh Sensitivity-105dB Dial tone frequency450MHz (standard) Surrounding temperature-10 C ~ +40 C Relative humidity45% ~ 90% (without frost) Atmosphere pressure86 ~ 106KPa Environment noise<60dB Antenna amplifying3.5dB (omni directional), 12dB (certain direction /Chosen direction) AC powerDC 10V - 20V InputAC100 - 230V, 50 / 60Hz Output12V 1A Switching type / transformer typeAC adapter (optional) Connector of powerUS or European type Dimensions (L x W x H) (average)185 x 135 x 22mm WeightFWT: 400g Full set with AC adapter, antenna and box800g Connection modeRJ-11 phone sockets Antenna connectionSMA antenna connection
D**N
Background noise that drills into your head while on the phone
The device would have been nice had it not had background noise on all calls. I tried it with different landline phones thinking it was my phones that were the problem. I tried moving the location around my house to see if reception changed the quality of the line. The signal strength lights changed but the hum persisted. I rearranged the antenna and the phone so they were max distance from the adapter as mentioned in the manual for troubleshooting, still no luck. I then took the adapter to a family member's house in a different city to test if perhaps my electrical or location caused the problem. However, the background noise stayed the same. The noise changes pitch over the course of several minutes. The frequency would rise and then fall, though the intensity never changed. I have asked for a refund and I am waiting for a response from the seller. It did everything else flawlessly. However, for the price, there should be no background noise at all.
J**E
Works great to turn any sim card into a land line ...
Works well. I do not have many complaints with this unit. Wish it would mount on the wall a little easier. Works great to turn any sim card into a land line phone though.
M**1
No more land line
I used it to replace my home landline. I took it to my T-Mobile store and they moved the number and put in a sim card and it worked immediately. Voice quality is a little lacking but that may be due to antenna placement.
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منذ 3 أيام
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