Make phone calls with ease using this fixed wireless terminal. Simply connect it to a standard wired phone and insert a GSM SIM card to make local, domestic, and international calls. Wide Application: Ideal for remote areas, mountainous regions, telemarketing, public shops, offices, factories, and mobile locations like ships, trains, and long-distance buses. Simple Installation: This GSM desktop dialer uses a GSM mobile phone SIM card, making it easy to install and use. It boasts strong signal reception and stable performance. Antipodal Signal: Features an antipodal signal that can be connected to a ticket register or computer ticket register. Powerful Signal Reception: Enjoy powerful signal reception and straightforward setup, allowing it to function just like a regular landline phone. Item Type: Fixed Wireless Terminal Material: ABS Installation: Uses GSM mobile phone SIM card, no landline investment needed. Easy installation. Voice Services: Supports international, domestic, local, and fixed/mobile voice services. Operation: Maintains original dialing habits, identical to standard landline phones. Antipodal Signal: Connectable to fare registers or computer fare registers. Watchdog: Built-in Watchdog Circuit automatically detects and restarts the device in case of errors. No Errors: DTMF transmission mode ensures zero caller ID errors. Communication Voltage: Standard communication voltage, compatible with telephone exchanges. IP Function: Automatic IP function with multiple IP setting groups. Calling Party: Supports IP prefix settings for fixed-line long-distance calls (e.g., 17951, 17911, 193). Permission Settings: Set permissions for incoming international, national, and local calls. Code Preset: Preset local area codes, number segments, and blocked numbers or segments. Encryption Settings: Includes PIN code, PUK encryption, and machine card lock functions. LED Lights: Display signal, standby, working mode, and other information. Caller ID: Supported. Interface Type: RJ11 Supported Networks: Supports various frequencies based on region (EC25 EU for Europe, EC25 AF for USA, EC25 AU for Australia). Please confirm your local frequency before purchasing. EC25 EU: TDD: B38/B40/B41 WCDMA: B1/B8 GSM: B3/B8 EC25 AF: LTE FDD: B2/B4/B5/B12/B13/B14/B66/B71 WCDMA: B2/B4/B5 EC25 AU: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28 LTE TDD: B40 WCDMA: B1/B2/B5/B8 GSM: B2/B3/B5/B8 Visual Function: None Application Scope: Wireless access, security. Number Storage Function: Supported. Recording Function: None. Network Parameters GSM: GSM:1900/1800/900/850M Signal Sensitivity: <-104DBM Transmission Power: <2W Antenna Power: >1.5db Power Supply: 5V 1A Equipment Power: <5W RJ11 Standby Voltage: DC 40 to 48V RJ11 Working Voltage: DC 8 to 12V RJ11 Dial Tone Frequency: 450HZ RJ11 Supply Current: 20MA to 40mA RJ11 Reverse Polarity: Supported RJ11 Call: DTMF Working Environment Temperature: -20℃ to 50℃ Operating Environment Relative Humidity: 10 to 90 % Product Size: Approx. 12 x 8.5 cm / 4.7 x 3.3 in (manual measurement, slight error may occur) Package Includes: 1 x Fixed Wireless Terminal 1 x Power Adapter 1 x Antenna 1 x Antenna Receiver 1 x Telephone Line 1 x User Manual