Fixed Wireless Payphone 21G
21G GSM Desk Phone works on GSM network. This enables instant telephone access to various applications like providing a landline alternative for remote areas
Overview
VISIONTEK 21G GSM Desk Phone allows users to access voice calls communication on GSM mobile phone network with a SIM Card. Our FWP combines simplicity with advanced features.

VISIONTEK 21G GSM Desk Phone enables instant telephone access to various applications like providing a landline alternative for remote areas, ships, vehicles, construction, oil and mining companies, exhibitions, disaster recovery application services or any temporary sites.
VISIONTEK 21G is available in two colors White & Black with PCO billing features.
Application Areas
- Business houses with multiple locations
- Telecom Service providers
- News Agencies
- Broadcasting companies
- Event Management organizations
- Law enforcement agencies
- Community Phones
- SOHO applications
- Residential applications
Features
- Desktop Speaker with superior voice quality
- Built in echo-canceller
- Short Messages Services (SMS) & Internet *
- Redial last number or from list
- Call Duration, Day, Date & Time Display
- Network selection Automatic & Manual
- Programmable local area code
- Call barring (Local, STD & ISD)
- Buzzer indication on call disconnection
- Built-in Alarm function
- Built-in calculator
- Call Log details
- 250 numbers phone book memory
- Fixed and on-hook dialling
- LED Indication: Power, Network
- Polyphonic/Mono Ring tones
- PSTN dial tone
- Caller ID
Specifications
| Network Frequency | Dual Band GSM 900/1800 MHz |
| Receiver Sensitivity | -107dB |
| LCD Screen | Dimension: 128 x 64 Number of Lines: 4 Number of Characters per line: 21 |
| Keypad | 22 keys for multi-functional operation |
| Input Voltage Power | AC 100-300V (50Hz to 60Hz) DC output (i) Battery : 13.8V DC output (ii) Load : 9.5V , 1A |
| Battery Charger | Built-in |
| Time for Charging | 6-8 hours |
| Battery Type | 3.6v Ni-Mh 1200mAh |
| Talk Time | 3 Hours |
| Stand By Time | 72 Hours |
| Interface | User friendly programming Power, Network, Signal strength, Date & Time indication RJ45 connector for Software downloading DC power supply socket SIM socket Soft key ON/OFF SMA antenna connector |
| Enclosure | ABS plastic |
| Temperature | Operating: -10°C to +55°C Storage: -20°C to +60°C |
| Humidity | Operating : 10% ~ 90% Storage : 5% ~ 95% |
| Dimensions (mm) | 220 x 204 x 79 (L x W x H) |
| Weight | 800 Grams |
| Antenna | 3dB di-pole antenna |
| Conditions Apply |
Product Configuration
| S.No | Features | Description | |
|---|---|---|---|
| 1.0 | Standard Features | ||
| 1.1 | GSM Module | 900/1800 Dual-band GSM Module | |
| 1.2 | SIM Interface | 1.8V and 3V | |
| 1.3 | Software | Standard FWP software | |
| 1.4 | Antenna | 3dB di-pole antenna | |
| 1.5 | Interface | User friendly programming Power, Network, Signal strength, Date & Time indication RJ45 connector for Software downloading DC power supply socket SIM socket Soft key ON/OFF SMA antenna connector |
|
| 1.6 | LCD | 128 x 64 Graphic LCD with green Backlight | |
| 1.7 | Keypad | 22 keys for multi-functional operation | |
| 1.8 | Power Adaptor | AC 100 - 300V (50Hz to 60Hz) DC output (i) Battery : 13.8V DC output (ii) Load : 9.5V , 1A | |
| 1.9 | Battery | Built in 3.6v Ni-Mh 1200mAh battery with in-built battery charging facility | |
| 1.10 | Dimensions (mm) | 220 x 204 x 79 (L x W x H) | |
| 1.11 | Weight | 800 Grams | |
| 1.12 | Enclosure | ABS Plastic | |
| 1.13 | Packaging | VISIONTEK Standard Corrugated Box | |
| 2.0 | Optional Features | ||
| 2.1 | Antenna | 5dB Magnetic Whip Antenna with 3-Meter cable 7dB Magnetic Whip Antenna with 5-Meter cable 12dB Yagi Antenna with 10-Meter cable |
|
| 2.2 | Battery | 3.6V / 1600 mAH battery | |
| Note : Any Customization is subject to Business Approval | |||