我公司专为配合VOIP网关上车落地用而研发生产的GSM/CDMA网关，语音清晰，反极准确，质量稳定，不死机。参数与PSTN相同。价格优惠。
而且可以修改IMEI码。有32张卡可以自动切换。有效突破封锁。是做VOIP上车、落地的*佳选择。产品极受全球欢迎。已经销售超过10000台。
相关参数如下：
Features:
◇ Dialing tonewith 450hz
◇ DTMF Dialing
◇ Bell signal
◇ Polarity reversal
◇ The RJ-11 socket which connect the phone or the payment
◇ Antenna socket (FME)
◇ IP usage switch
◇ Working state indicator
◇ Signal Strength indicator
Technical Specifications
GSM Module Dual band GSM 850mhz/900mhz/1800mhz/1900MHz
Phone interface：supply RJ-11 Phone Interface
Hanging voltage:45V Picking off voltage：30mA/41mA
Dialing tone Frequency：450Hz
Antenna interface：Antenna amplifying 〉1.5DB
Sensitivity 〈 -104DBM
Transmitting power≤3W
Adapter interface：INPUT：AC 175~260V
OUTPUT：+12V/1000MA
Operation Circumstance:
Operation temperature：-10℃~ 60℃
Storage temperature：-20℃~ 70℃
Operation humidity：45%—95%
Atmosphere pressure：86—106Kpa
Environment noise：〈60DB
Transmitting Power: 2W
Sensitivity: <-104dbm
Antenna Amplifying: >1.5db
Dialing frequency: 450Hz
Hanging voltage: 45V
Picking carrent: 30mA/41mA |
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