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Contemporary Research RF-AB Self-Terminating & Closure Controlled Radio Frequency Switch
Contemporary Research RF-AB Self-Terminating & Closure Controlled Radio Frequency Switch
B&H # CORFAB MFR # 5077-001
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- 1Description
The RF-AB Radio Frequency Switch from Contemporary Research is a self-terminating remote controllable RF (Radio Frequency) A/B switch. When used with the CR 232-ATSC+ HDTV tuner (not included), this unit will automatically switch between air and cable RF feeds. The included 3.5mm cable connects this switch to the A/C jack on the back of the tuner. It correctly handles RF signals by terminating the RF feed when it is switched off. In addition, the switch will default to the cable input when there is no DC power.
- Compatibility
- Connects to 232-ATSC+ HDTV tuner for integrated cable/air channel tuning
- Switches two RF feeds to one output
- Terminates RF inputs when switched off
- High RF isolation
- 2.5 GHz bandwidth allows use for air, cable, and satellite RF
- Remote controllable with 12 VDC current on/off
- Defaults to cable input when unpowered
- Durable metal enclosure
- Dual brackets allow for vertical or horizontal mounting
In the Box
Contemporary Research RF-AB Self-Terminating & Closure Controlled Radio Frequency Switch
Table of Contents
- 1Description
| Switching | High-frequency NO/NC relay operation, defaults to cable input when unpowered |
| Termination | Unswitched RF input is terminated at 75 Ohms |
| Bandwidth | Frequency pass range DC to 2.5 GHz |
| Signal Level | +58 dBmV maximum |
| Insertion Loss |
<0.12 dB at 900 MHz 0.25 dB at 2.1 GHz 0.4 dB at 2.5 GHz |
| Isolation |
78 dB at 100 MHz 70 dB at 900 MHz 49 dB at 2.1 GHz 40 dB at 2.5 GHz |
| Control |
Switch control 10 to 19 VDC, typical 12 VDC at 30mA max Defaults to cable input when unpowered 3.5 mm control input jack |
| Dimensions (W x H x D) |
1.9 x 1.18 x 3.75" (48 x 30 x 95 mm) excluding connectors 2.4 x 1.18 x 3.75" (61 x 30 x 95 mm) including connectors |
| Weight | 8 oz (226 g) |
| Packaging Info | |
|---|---|
| Package Weight | 0.3 lb |
| Box Dimensions (LxWxH) | 6.0 x 3.4 x 1.5" |
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