Frequency stability: ±2.5ppm, Item size: 148 (W)x 58 (H)x 26 (D) mm, Antenna impedance: 50ohm, Working voltage: DC3.7V±10%, Operation mode: simplex, Weight: body: 87g ; battery: 43g ;total: 133.5g (including battery / belt clip), Frequency range: 446.00625-446.19375 MHz (RX and TX), Battery capacity: 1000mAh (lithium ion), Memory channel: 16 PMR446 channels, Working temperature: -20℃~+60℃.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
2X Car T20 7440 W21W LED Canbus Reverse Lights W21/5W 7443 LED Bulb Brake Turn Signal Lights 6500K | $4.52 | – |
Click here to search by yourself. Here are coupons that you can use.
Updated:
Banggood
Warehouse in China.
Link: 2x Retevis RB618 Walkie Talkie
$32.75 with coupon: Cuponation9
$33.11 with coupon: BG8ReviTrage
$33.83 with coupon: BG00c906
Additional Banggood coupons:
1. First page
2. Second page
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Retevis RB618 Walkie Talkie ($-3)
2. Europe – 2x Retevis RB618 Walkie Talkie [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for 2x Retevis RB618 Walkie Talkie. The lowest price was: $23.09.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).