Model Number: TM980 gsm mobile radio Brand Name: tesunho Key Specifications/Special Features: Quick detailsPlace of origin: Fujian, China (Mainland)Brand name: TESUNHOModel number: TM-980Type: Vehicle mountedDimensions: 11.6*9.5*4cmFrequency range: GSM900/1800/UMTS900/2100 or GSM850/1900/UMTS850/1900 Storage channel: UnlimitedTalk range: Talk over the worldStorage channel: GroupFeatures1: Clear loud sound GPS: optional
LCD display: Yes
Weight: 0.28kg
Color: black

Features
2: All calls, group calls and selective calls
Application: trunk, taxi dispatching etc.

Packaging & delivery
Packaging details: GIFT BOX/PC, customized CTN according to order quantity
Delivery detail: Shipped in 7 days after payment

How it works
First, GSM 3Gradioworks with GSM850/1900/UTMS2100MHz or GSM900/1800/UTMS2100MHz (depend on your country).
You need to buy a SIM card to insert into the radio and it can talk, cover the whole world.

Second, GSM 3G walkie talkie cost data flow, normally it is 2.88M per hour for unstopping communication, and it is 0.06M on the standby mode per day.
Third, there will be a management website for you to assign users' account and set talking rights or function. It helps institution with many people to save time and cost on communication.