Feature(may vary by option.)

●Widely used: GSM callers are suitable for remote villages, mountainous areas, home with weak signals, public telephone shops, offices, telemarketing, marine and other moving places.
●Voice Service Support: Make local, domestic and international calls by using this device to connect regular wired landline phones and standard SIM cards
●SCREEN INCLUDED: GSM caller has a screen that allows you to clearly see the data and reverse polarity signals, connect to your claim device or use your computer billing
●Strong Signal Reception: GSM ID dialer is easy to install and easy to operate, strong signal reception, clear call setting, long service life and stable performance
●Multi-Group IP Setting: Fully automatic IP function, multi-IP setting, use GSM 4G mobile phone SIM card, no change of the original dialing habit, easy to use

[US Plug]

Description

1.Screen Included: GSM caller has a screen which can clearly view the data, reverse polarity signal, connect to the invoicing device or use computer billing.
2. Support Voice Service: Make local, domestic and international calls by using this device to connect regular wired landline phone and standard SIM card.
3.Strong Signal Reception: GSM ID dialer is easy to install and easy to operate, strong signal reception, clear call setting, long service life and stable performance.
4. Multi-Group IP Setting: Fully automatic IP function, multi-IP setting, use GSM 4G mobile phone SIM card, no change of the original dialing habit, easy to use.
5. Widely used: GSM caller is suitable for remote villages, mountain areas, home with weak signals, public telephone shops, offices, telemarketing, marine and other moving places.

Specifications:
Item Type: Fixed Wireless Terminal
Material: ABS.
Voltage: 100-240V
Product Size: L x W x H, approx. 16.2 x 10 x 3.8cm / 6.4 x 3.94 x 1.5in (manual measurement, slight error)
Installation: No need to invest in ground wire, support 4G/GSM cell phone SIM card. Easy installation
Voice Service: Support international and domestic local, fixed/mobile voice service