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IP Wireless Intercom Base Station

For the interconnection between the IP terminals and the wireless intercom system in the way of PTT half duplex intercom.
(with numerical keys) to broadcast to the amplifier which connects to the IP network base station;
Description 1. The frequency of the IP wireless intercom base station is 403-470MHz; transmitting power is 25W; Maximum communication distance is 14KM; 2. Available for the IP terminal to join in the frequency point of base station and make a half-duplex intercom to the walkie-talkie with this frequency point. 3. Available for the IP terminals to broadcast to the wireless frequency points of the numerous stations and the broadcast will be received by the relevant walkie-talkies. 4. Available for the IP terminals to broadcast to the amplifier which connects to the IP network base station; 5. Available for the walkie-talkie (with numerical keys) to make a randomly half-duplex call to any IP intercom terminals; 6. Available for the walkie-talkie (with numerical keys) to make a broadcast to any partitions of the IP intercom terminals; 7. Available for the walkie-talkie (with numerical keys) to broadcast to the amplifier which connects to the IP network base station; 8. Multiple IP network wireless intercom base stations are available for extending the communication distance which can be up to thousands of kilometers of wireless communication. 9. Different types of antennas are optional according to different environments. a) Sucker antenna (standard): Can be fixed on any metal, gain: 3.6dBi, frequency:403-470MHz,height: 1750px, maximum power:100w,sucker diameter:500px b) Omnidirectional antenna(optional):Model:NAC-32, material: FRP, fixed installation, gain:5.5dBi, frequency:403-470MHz, height 3000px, maximum power:150w, wind resistance strength:60m/s Notes: Such main brands as Motorola, Kenwood and Vertex etc. of the walkie-talkie are compatible with the IP base stations.