The CrewCom CB2 provides an excellent out-of-the box experience for users with its simplicity and ease-of-use. It is well-suited for smaller applications/installations and can be easily set up by less experienced users. The CrewCom CB2 boasts many of the exceptional CrewCom product features such as sound quality and range yet provides exceptional wireless intercom at a lower price point.The CrewCom CB2 1 RU BaseStation features 2-channels, a 900MHz internal radio,, and supports up to six CRP-12-900 Radio Packs. The system also provides external connectivity via two 2-Wire or two 4-Wire ports. A maximum of two CB2 BaseStations can be linked together. (Note: The CB2 BaseStation is ONLY compatible with the CRP-12-900 Radio Pack, is NOT compatible with any CrewCom CRP-22 or CRP-44 Radio Packs, and is ONLY available in North America.)What’s Included: BaseStation Omni-Directional Antenna (x1) USB A to Micro B cable 14V DC Power Supply Region-Specific AC Power Cord Quick Start Guide USB Flash Drive (Includes documentation) Warranty Extension Registration CardMain Features: 1RU 900MHz BaseStation Each CB2-900 supports up to six CRP-12-900’s in Normal mode Easy-to-use interface with large informative backlit display and clearly laid out quick access controls Supports external 2-Wire and 4-Wire intercom connections. Front panel USB ports for Radio Pack pairing and CrewCom device firmware updates via computer Front panel headset monitor station Stage announce audio output GPO Contact closure relays (x 3) Sync input to receive sync from another CB2 or CrewCom system Available only in North AmericaSpecifications: RF Frequency: 902928 MHz (915928 MHz)** RF Scheme: FHSS with TDMA Effective Radiated Power: 400 mW (+26 dBm) Radio Certification: FCCID: HSW-CCT900 and IC: 4492A-CCT900 Transmission Range: 200 m (approx. 650 ft.) under typical conditions; 600 m (approx. 1950 ft.) line of sight. Note: Functional range depends on many variables, including RF signal absorption, reflection, and external interference. Hardwired Intercom Audio Channels: 2 No. of Active Radio Packs Supported: 6 No. of Paired Radio Packs Supported (per CB2): 6 USB Ports: (1) USB Type A; (1) Micro USB Front Panel LCD Display: 512 128 resolution Stage Announce and Relay: 1 Relay via Phoenix Conn Sync Port (supports one connection): (1) RJ-45 for copper 2-Wire Intercom Connection: 2 Channels via XLR 3F with XLR 3M loop (2 ports) 2-Wire Compatibility: Clear-Com, RTS, and AudioCom (Balanced) 4-Wire Intercom Connection: 2 Channels via RJ-45 Stage Announce Output: XLR 3M, balanced, transformer isolated Aux In: 6.35 mm (1/4 in.) 3 conductor jack, 17.5 dBu max in (nominal line level +5 dBu), balanced, transformer isolated Aux Out: 6.35 mm (1/4 in.) 3 conductor jack, 17.2 dBu into 600 ohms (nominal line level +5 dBu), balanced, transformer isolated Power Input/Connector: 2.5 5.5 8 mm, 14 VDC, 1.2 A Dimensions (L W H): 1 RU, 48.26 4.39 29.67 cm (19.00 1.73 11.68 in.) metal enclosure Weight: 2.7 kg (5.9 lb) Operating Environment: -20 to 50 C (-4 to 122 F); 10% to 90% Humidity Maximum Sync Line Length: CAT 5e (or greater) 100 m (330 ft.) Maximum Altitude: 2,000 m (6,562 ft.) RoHS Compliant: Yes Compliance Model Number: B22545 Number of Antenna Connections per CB2: 1 Antenna Connector Type: RP-TNC Supplied Antenna: +2 dBi Omni-directional (whip)