ALCON CT-4583 Long range cordless phone up to 30km Ideal model for farms, landowners, remote locations, marinas, boats, emergency services, security, event organizers, industrial sites, building and construction industry, outdoor use ... Below range is result of our test and match real life performance: Max range without line of sight up to 30km.
Max range in optimal conditions, with line of sight is up to 40km
Features: Power: 45W Base - 3W Handset Handset Turbo power mode 5W by switch button for better reception in critical environment Works on any PSTN phone line or on analog extensions from PBX or VOIP, GSM, FXS Gateways No software setup / easy for installation
Reliable and simple to use
Line of sight (LOS) is not necessary for range Multi-Handset system (Up to 4 handsets) Intercom between base and handsets 20-channels Frequency auto scan when Handset turns on Handset scramble function Hold music Last number redial for Handset Backlight on handset keypad Touch any key answer function for handset
12-number memory for each handset (15 digits)
Handset Low battery indication
Built-in noise cancellation circuit (Compander) 2pcs lithium battery 10,8V 920mAh 10Wa
Separate battery charger
Carry case for Handset Hands-free headset (Optional), via standard 2,5mm jack
Car Accessory kit (Optional) Handset Dimensions : 15cm x 5cm x 2cm ( with out antenna ) Handset weight : 250g with battery
Security: Multiple Channel Access: 20 channels automatic scan to avoid interference
Built-in voice security circuit (Scrambler).
Works on two frequencies : 382.100 MHz / 256.100 MHz
You should check with local authorities for legality of usage for these frequencies