Retevis
Retevis RHD-771 SMA-M 40CM Upgrade Antenna For Handheld Two Way Amateur Ham Radios
Retevis RHD-771 SMA-M 40CM Upgrade Antenna For Handheld Two Way Amateur Ham Radios
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Quick Specs
Quick Specs
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Upgrade your communication game with the SMA-M 40CM RHD-771 Antenna! Boasting dual band VHF/UHF capabilities and a 2.15dB gain, experience crystal clear transmissions on frequencies ranging from 144 to 470MHz. Its soft, flexible design and SMA-M connector make it perfect for Retevis Two Way Amateur Ham Radios. Talk about an upgrade!
| Model | RHD-771 (SMA-M) |
| Band | Dual band VHF / UHF |
| Antenna type | SMA-M Soft Antenna |
| Frequency | 144 / 430Mhz (136-174+400-470)MHz |
| Gain | 2.15dB |
| Max power | 20 Watts |
| VSWR | Less than 1.5 |
| Impedance | 50ohm |
| Connector Type | SMA-M ("Japanese" Style) |
| Omni Polarization | Vertical |
| Radiation | Omni |
| Material | ABS and Heat shrinkable sleeve |
| Length | ~37.5cm / 14.8Inch |
| Weight | ~36g / 1.27oz |
| Color | Black |
Description
Upgrade your communication game with the SMA-M 40CM RHD-771 Antenna! Boasting dual band VHF/UHF capabilities and a 2.15dB gain, experience crystal clear transmissions on frequencies ranging from 144 to 470MHz. Its soft, flexible design and SMA-M connector make it perfect for Retevis Two Way Amateur Ham Radios. Talk about an upgrade!
| Model | RHD-771 (SMA-M) |
| Band | Dual band VHF / UHF |
| Antenna type | SMA-M Soft Antenna |
| Frequency | 144 / 430Mhz (136-174+400-470)MHz |
| Gain | 2.15dB |
| Max power | 20 Watts |
| VSWR | Less than 1.5 |
| Impedance | 50ohm |
| Connector Type | SMA-M ("Japanese" Style) |
| Omni Polarization | Vertical |
| Radiation | Omni |
| Material | ABS and Heat shrinkable sleeve |
| Length | ~37.5cm / 14.8Inch |
| Weight | ~36g / 1.27oz |
| Color | Black |
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Questions & Answers
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What advantage does one gain by using the "Upgrade" antennae SMA-M 40CM versus the factory supplied unit on the Retevis handheld radio?
A longer antenna made for the operating band offers two advantages.
1. It will help the radio hear weaker signals, thus increasing the range that the radio can recieve.
2. As the antenna offers greater gain, it will "amplifiy" the outgoing singal allowing it to go farther.