Good compatibility The upgraded H-777 can bring coverage for up to 200,000 square foot warehouse or about 25 story building
Fully Compatible with RT21 RT22 RT68 H-777S and all Retevis FRS 16 channel walkie talkies, compatible with RT19 RT22S on Channels 1-5.
The H777 VOX function can be turned on by shortcut keys.
Operation details: Switch to channel 1-5, then turn off the radio. Pressing PTT + Side button 2 (Monitor button) at the same time will switch between VOX ON/OFF,you will hear the "VOX ON" or "VOX OFF".
Benefit from the lightweight body design and the adjustment of the antenna size, the updated version of H-777 is not only suitable for campuses, warehouses, retail, hotels, etc., but also suitable for some commercial scenarios that require the size of the walkie-talkie, for example, clinics, restaurants, offices, etc.
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2
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RB17A
B3S
RB39P
RB26
RB48
RB23
RT29
Customer Reviews 4.5 out of 5 stars 2 4.7 out of 5 stars 13 5.0 out of 5 stars 2 4.2 out of 5 stars 63 5.0 out of 5 stars 6 — 4.0 out of 5 stars 30 Price $299.99 $141.99 $299.99 $169.99 $299.99 $309.99 $499.99 Inside Buildings 350,000 sq. ft/30 300,000 sq. ft/25 300,000 sq. ft/25 300,000 sq. ft/27 300,000 sq. ft/25 300,000 sq. ft/30 700,000 sq. ft/50 Channel 30 16 22 30 22 30 16 Battery capacity 2200mAh 1620mAh 1000mAh 2000mAh 2000mAh 1800mAh 3200mAh Charging charging base 2-in-1 USB charging cable 2 in 1 Type-C charging cable USB-C/USB charging base USB-C/USB charging base charging base charging base Special Feature High power,durable LCD Screen,Stylish Durable Bluetooth walkie talkies High power, long battery life IP67 Waterproof,Rugged Waterproof GMRS Radio Long Range Flashlight ✘ ✘ ✘ ✔ ✘ ✘ ✘ Emergency alarm ✔ ✔ ✔ ✔ ✔ ✔ ✔ Recommended Places Warehouse,Industrials,Hotel Restaurant; Retail; Services Church; Hospital; Family School; Security Cons