Model Number: TH-580 GPS PTT Phone Brand Name: TESUNHO Key Specifications/Special Features: Quick details:Place of origin: Fujian, China (Mainland)Brand name: TesunhoModel number: TH-580Type: handheldDimensions: 135*40*53mmFrequency range: GSM UMTSStorage channel: unlimited limitTalk range: unlimited (global)Frequency range: GSM UMTSStorage channel: group
Talk range: unlimited
OS: Android
GPS: GPS, A-GPS
Screen: 2.4 LCD 240*320mm
Bluetooth: V4.0
WIFI: IEEE 802.11
Battery: ultra high capacity
Charger: standard micro USB charger
Packing and delivery
Packing details:standard package
Delivery detail:shipped in 3 days after payment

How it works
First, GSM 3G radio works 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, 0.06m on the standby mode per day or you can connect with Wi-Fi and talk without data flow cost
Third, there will be management website for you to assign users' account and set talking rights or function
Helps institution with many people to save time and cost on communication

Shipment and payment
Minimum order quantity: 2 for samples, 100 for mass production, 500 for OEM
Packing: gift box, 20 pieces/carton
Trade terms: FOB Xiamen/Shenzhen/Hangzhou
Express delivery: DHL/UPS/FedEx/EMS/TNT
Delivery time: 3-5 days after receiving the payment
Paymentterms: T/T, West Union, Money Gram, PayPal, Escrow or LC
Warranty: radio 1 year, accessories 3 months