| INTERNATIONAL | XS | S | M | L | XL | XXL | XXXL |
|---|---|---|---|---|---|---|---|
| EUROPE | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
| US | 0 | 2 | 4 | 6 | 8 | 10 | 12 |
| CHEST FIT (INCHES) | 28" | 30" | 32" | 34" | 36" | 38" | 40" |
| CHEST FIT (CM) | 716 | 76 | 81 | 86 | 91.5 | 96.5 | 101.1 |
| WAIST FIR (INCHES) | 21" | 23" | 25" | 27" | 29" | 31" | 33" |
| WAIST FIR (CM) | 53.5 | 58.5 | 63.5 | 68.5 | 74 | 79 | 84 |
| HIPS FIR (INCHES) | 33" | 34" | 36" | 38" | 40" | 42" | 44" |
| HIPS FIR (CM) | 81.5 | 86.5 | 91.5 | 96.5 | 101 | 106.5 | 111.5 |
| SKORT LENGTHS (SM) | 36.5 | 38 | 39.5 | 41 | 42.5 | 44 | 45.5 |
The SIYI HM30 is an all-in-one long range transmission system that combines remote control, datalink and Full HD video in a single link. Dual-way Full HD digital image transmission, up to 30km range, 150ms low latency, 1080p at 60fps, H.264 and H.265 decoding, OLED touchscreen, FPV OSD, dual RC and RC relay, long range antenna and PD fast charging. Compatible with ArduPilot and QGroundControl.
The HM30 is a transmission link. A camera is not included with any HM30 combo. Cameras are optional and purchased separately, either the SIYI R1M FPV camera or a SIYI gimbal such as the A2 mini, A8 mini, ZR10, ZR30 or ZT30.











