タイトルまたは説明

Features: ● Providing **0 and ***0 GSM connectivity ● Simple to install/easy to maintain ● Allow PIN code entering and reciprocal phone-card lock ● Provide optimized circuit directly connecting the exchange device ● for extensions ● LCD with back screen display billing , signal, caller id. ● Polarity reversal signal for metering ● 3.5dBi gain antenna ● Compatible to PABX or VOIP gateways or a telephone ● Suitable for call termination of ISP ● Incoming call reminder, time display pecifications: ● Air interface standard: GSM **0/***0 MHz Phase 2+ ● Frequency ranges: â—‹ GSM**0: ● Transmit: **0~**5MHz; ● Receive: **5~**0MHz â—‹ GSM***0: ● Transmit: ***0~***5MHz; ● Receive: ***5~***0MHz ● Channel space: **0KHz ● Sensitivity: ***4dB ● Peak power consumption: 2W ● Operating environment requirements: â—‹ Temperature: 0°C - **0°C â—‹ Relative humidity: *5% - *0% ● Connectors: SMA antenna connector (TNC optional) ● Atmospheric pressure: *6~**6Pka ● Power consumption: static≤*5 mA, emission≤**0 mA ● Antenna: Gain: 3.5dB (all directional) *2 dB(Certain/selection) ● Power supply: â—‹ AC**0V±*0% ****4Hz AC**0V/*0Hz(optional) â—‹ DC*2V (optional) Packing: â—‹ Product dimension: L**2x W**8 x H*0mm â—‹ Gift box dimension: L**5x W**0x H*4mm â—‹ Carton dimension:**0x**5x**0, *0pcs/carton â—‹ N.W: 0.4kg G.W: *5kg